asus eee pc 900 schematic diagrams

21
5 5 4 4 3 3 2 2 1 1 D D C C B B A A 0.5" max length CPU Cooler 1.0 ATIOSYS B 1 21 Saturday, April 18, 2009 CPU EPC900 Title Size Document Number Rev Date: Sheet of H_REQ#0 H_REQ#1 H_REQ#2 H_REQ#3 H_REQ#4 H_A#6 H_A#24 H_A#15 H_A#20 H_A#29 H_A#13 H_A#25 H_A#5 H_A#7 H_A#31 H_A#27 H_A#28 H_A#14 H_A#18 H_A#10 H_A#3 H_A#30 H_A#22 H_A#26 H_A#19 H_A#21 H_A#11 H_A#17 H_A#8 H_A#4 H_A#23 H_A#16 H_A#9 H_A#12 H_TRST# H_TCK DBRESET# H_IERR# H_TDI H_PROCHOT# H_TDO H_TMS THERMDA THRMDN COMP0 H_D#38 H_D#12 H_D#50 H_D#46 H_D#32 COMP1 H_D#42 H_D#27 H_D#18 H_D#33 H_D#11 H_D#54 H_D#7 H_D#37 H_D#59 H_D#51 H_D#45 H_D#3 H_D#10 H_D#16 COMP0 H_D#41 H_D#6 H_D#53 H_D#2 H_D#9 COMP3 H_D#36 H_D#58 H_D#30 H_D#15 H_D#40 H_D#23 H_D#28 H_D#62 H_D#52 H_D#8 COMP2 H_D#24 H_D#49 H_D#35 H_D#29 H_D#57 H_D#1 H_D#5 H_DPSLP# H_D#14 H_D#63 H_D#17 H_D#61 H_D#0 COMP3 COMP1 H_D#21 H_D#22 H_D#4 H_D#48 H_D#44 H_D#56 H_D#25 H_D#39 H_D#13 H_D#47 H_D#60 COMP2 H_D#43 H_D#20 H_D#19 H_D#34 H_D#55 H_D#26 H_D#31 PRDY# PREQ# H_TMS H_TRST# PRDY# PREQ# H_TDI H_TDO H_TCK H_A20M# 10 H_FERR# 10 H_IGNNE# 10 H_STPCLK# 10 H_INTR 10 H_NMI 10 H_SMI# 10 PM_THRMTRIP# 6,10 H_INIT# 10 H_CPURST# 5 H_RS#0 5 H_RS#1 5 H_RS#2 5 H_ADSTB#1 5 H_ADSTB#0 5 H_DEFER# 5 H_BPRI# 5 H_LOCK# 5 CLK_CPU_BCLK# 3 CLK_CPU_BCLK 3 H_A#[31:3] 5 H_A#[31:3] 5 H_TRDY# 5 H_ADS# 5 H_BNR# 5 H_DRDY# 5 H_DBSY# 5 H_BREQ#0 5 H_HIT# 5 H_HITM# 5 H_REQ#[4:0] 5 THRMDC 15 H_DSTBP#1 5 H_DSTBP#3 5 H_DSTBP#2 5 H_DINV#0 5 H_DSTBN#2 5 H_DPRSTP# 10 CPU_BSEL0 3 H_DSTBN#3 5 H_DSTBN#1 5 CPU_BSEL1 3 H_CPUSLP# 5,10 H_DINV#2 5 H_DSTBP#0 5 H_D#[63:0] 5 H_DINV#3 5 H_DINV#1 5 H_PWRGD 10 H_D#[63:0] 5 H_DSTBN#0 5 H_DPSLP# 10 H_DPWR# 5 PM_PSI# 4 THRMDA 15 FANPWM1 15 FANPWM2 15 FANIO1 15 FANIO2 15 VCCP VCCP VCCP VCC3DUAL VCCP VCCP +12V VCC VCCP VCCP VCC +12V D28 1N4148 1 3 Q51 2N7002A 1 3 2 R61 54.9_1% R7 0 C178 4.7uF/16V R107 2K_1% R57 56_1% R47 200_1% R391 1K R115 54.9_1% + EC6 100uF/25V-NCC-SMD6 CPUFAN WAFER3X1_2.54mm 1 3 2 R91 0 R138 1K R116 27.4_1% R80 0 C308 4.7uF/16V SYSFAN WAFER3X1_2.54mm/X 1 3 2 C177 4.7uF/16V R50 39_1% R63 150_1% Q33 2N7002A 1 3 2 R355 1K R40 56_1% R215 200 R13 54.9_1% R69 619_1% R196 510 R84 0 R159 1K C307 4.7uF/16V HS2 MFF60-25P/6 A1 1 2 3 4 R88 56_1% R39 56 R108 1K_1% ADDR GROUP 0 ADDR GROUP 1 CONTROL ITP SIGNALS THERM H CLK U2A Pentium M P4 U4 V3 R3 V2 W1 T4 W2 Y4 Y1 U1 AA3 Y3 AA2 U3 R2 P3 T2 P1 T1 AF4 AC4 AC7 AC3 AD3 AE4 AD2 AB4 AC6 AD5 AE2 AD6 AF3 AE1 AF1 AE5 C2 D3 A3 C6 D1 D4 B4 N2 L1 J3 L4 H2 M2 N4 A4 B5 J2 B11 H1 K1 L2 M3 K3 K4 C8 B8 A9 C9 A10 B10 A13 C12 A12 C11 B13 A7 B17 B18 A18 C17 A15 A16 B14 B15 A3# A4# A5# A6# A7# A8# A9# A10# A11# A12# A13# A14# A15# A16# ADSTB#0 REQ0# REQ1# REQ2# REQ3# REQ4# A17# A18# A19# A20# A21# A22# A23# A24# A25# A26# A27# A28# A29# A30# A31# ADSTB#1 A20M# FERR# IGNNE# STPCLK# LINT0 LINT1 SMI# ADS# BNR# BPRI# DEFER# DRDY# DBSY# BR0# IERR# INIT# LOCK# RESET# RS0# RS1# RS2# TRDY# HIT# HITM# BPM#0 BPM#1 BPM#2 BPM#3 PRDY# PREQ# TCK TDI TDO TMS TRST# DBR# PROCHOT# THERMDA THERMDC THERMTRIP# ITP_CLK1 ITP_CLK0 BCLK1 BCLK0 R14 27.4_1% Q47 MMBT3906 B E C R94 0 R376 510 HS3 HEATSINK-Bottom D6 1N4148 1 3 R54 56_1% + EC10 100uF/25V-NCC-SMD6 R77 27.4_1% DATA GRP 2 DATA GRP 3 MISC DATA GRP 1 DATA GRP 0 U2B Pentium M A19 A25 A22 B21 A24 B26 A21 B20 C20 B24 D24 E24 C26 B23 E23 C25 C23 C22 D25 H23 G25 L23 M26 H24 F25 G24 J23 M23 J25 L26 N24 M25 H26 N25 K25 K24 L24 J26 AC1 E26 AD26 A1 B2 C14 C3 AF7 C16 E1 Y26 AA24 T25 U23 V23 R24 R26 R23 AA23 U26 V24 U25 V26 Y23 AA26 Y25 W25 W24 T24 AB25 AC23 AB24 AC20 AC22 AC25 AD23 AE22 AF23 AD24 AF20 AE21 AD21 AF25 AF22 AF26 AE24 AE25 AD20 P25 P26 AB2 AB1 F23 C5 A6 E4 C19 B7 G1 D0# D1# D2# D3# D4# D5# D6# D7# D8# D9# D10# D11# D12# D13# D14# D15# DSTBN0# DSTBP0# DINV0# D16# D17# D18# D19# D20# D21# D22# D23# D24# D25# D26# D27# D28# D29# D30# D31# DSTBN1# DSTBP1# DINV1# GTLREF3 GTLREF1 GTLREF0 NC0 NC1 BSEL1 RSVD2 RSVD3 BSEL0 PSI# D32# D33# D34# D35# D36# D37# D38# D39# D40# D41# D42# D43# D44# D45# D46# D47# DSTBN2# DSTBP2# DINV2# D48# D49# D50# D51# D52# D53# D54# D55# D56# D57# D58# D59# D60# D61# D62# D63# DSTBN3# DSTBP3# DINV3# COMP0 COMP1 COMP2 COMP3 TEST2 TEST1 SLP# PWRGOOD# DPWR# DPSLP# DPRSTP# HS1 HEATSINK R160 4.7K R66 54.9_1% R390 4.7K Q27 MMBT3906 B E C [email protected]

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Page 1: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

0.5" max length

CPUCooler

1.0

ATIOSYS

B

1 21Saturday, April 18, 2009

CPU

EPC900

Title

Size Document Number Rev

Date: Sheet of

H_REQ#0H_REQ#1H_REQ#2H_REQ#3H_REQ#4

H_A#6

H_A#24

H_A#15

H_A#20

H_A#29

H_A#13

H_A#25

H_A#5

H_A#7

H_A#31

H_A#27H_A#28

H_A#14

H_A#18

H_A#10

H_A#3

H_A#30

H_A#22

H_A#26

H_A#19

H_A#21

H_A#11

H_A#17

H_A#8

H_A#4

H_A#23

H_A#16

H_A#9

H_A#12

H_TRST#

H_TCK

DBRESET#

H_IERR#

H_TDI

H_PROCHOT#

H_TDOH_TMS

THERMDATHRMDN

COMP0

H_D#38

H_D#12

H_D#50

H_D#46

H_D#32

COMP1

H_D#42

H_D#27

H_D#18

H_D#33

H_D#11

H_D#54

H_D#7

H_D#37

H_D#59

H_D#51

H_D#45

H_D#3

H_D#10

H_D#16

COMP0

H_D#41

H_D#6

H_D#53

H_D#2

H_D#9

COMP3

H_D#36

H_D#58

H_D#30

H_D#15

H_D#40

H_D#23

H_D#28

H_D#62

H_D#52

H_D#8

COMP2

H_D#24

H_D#49

H_D#35

H_D#29

H_D#57

H_D#1

H_D#5

H_DPSLP#

H_D#14

H_D#63

H_D#17

H_D#61

H_D#0

COMP3

COMP1

H_D#21H_D#22

H_D#4

H_D#48

H_D#44

H_D#56H_D#25

H_D#39

H_D#13

H_D#47

H_D#60

COMP2

H_D#43

H_D#20H_D#19

H_D#34

H_D#55

H_D#26

H_D#31

PRDY#PREQ#

H_TMS

H_TRST#

PRDY#PREQ#

H_TDIH_TDO

H_TCK

H_A20M#10H_FERR#10H_IGNNE#10

H_STPCLK#10H_INTR10H_NMI10H_SMI#10

PM_THRMTRIP# 6,10

H_INIT# 10

H_CPURST# 5H_RS#0 5H_RS#1 5H_RS#2 5

H_ADSTB#15

H_ADSTB#05

H_DEFER# 5

H_BPRI# 5

H_LOCK# 5

CLK_CPU_BCLK# 3CLK_CPU_BCLK 3

H_A#[31:3]5

H_A#[31:3]5

H_TRDY# 5

H_ADS# 5H_BNR# 5

H_DRDY# 5H_DBSY# 5

H_BREQ#0 5

H_HIT# 5H_HITM# 5

H_REQ#[4:0]5

THRMDC 15

H_DSTBP#15 H_DSTBP#3 5

H_DSTBP#2 5H_DINV#05

H_DSTBN#2 5

H_DPRSTP# 10

CPU_BSEL03

H_DSTBN#3 5H_DSTBN#15

CPU_BSEL13H_CPUSLP# 5,10

H_DINV#2 5H_DSTBP#05

H_D#[63:0]5

H_DINV#3 5H_DINV#15

H_PWRGD 10

H_D#[63:0] 5

H_DSTBN#05

H_DPSLP# 10H_DPWR# 5

PM_PSI#4

THRMDA 15

FANPWM115

FANPWM215

FANIO1 15

FANIO2 15

VCCP VCCP

VCCP

VCC3DUAL

VCCP

VCCP

+12V VCC

VCCP

VCCP

VCC+12V

D28

1N4148

13

Q512N7002A1

32

R61

54.9_1%

R7 0

C178

4.7uF/16V

R107

2K_1%

R57 56_1%

R47

200_1%

R391

1K

R115 54.9_1%

+EC6

100uF/25V-NCC-SMD6

CPUFAN

WAFER3X1_2.54mm

1

32

R91 0

R138

1K

R116 27.4_1%

R80 0

C308

4.7uF/16V

SYSFAN

WAFER3X1_2.54mm/X

1

32

C177

4.7uF/16V

R50 39_1%

R63 150_1%

Q332N7002A1

32

R355 1K

R40

56_1%

R215

200

R13 54.9_1%

R69 619_1%

R196 510

R84 0

R159 1K

C307

4.7uF/16V

HS2MFF60-25P/6 A1

1

2 3

4

R88 56_1%

R39

56

R108

1K_1%

AD

DR

GR

OU

P 0

AD

DR

GR

OU

P 1

CO

NTR

OL

ITP

SIG

NA

LSTH

ER

MH

CLK

U2A

Pentium M

P4U4V3R3V2

W1T4

W2Y4Y1U1

AA3Y3

AA2U3

R2P3T2P1T1

AF4AC4AC7AC3AD3AE4AD2AB4AC6AD5AE2AD6AF3AE1AF1AE5

C2D3A3

C6D1D4B4

N2L1J3

L4H2M2

N4

A4B5

J2

B11H1K1L2M3

K3K4

C8B8A9C9A10B10A13C12A12C11B13A7

B17B18A18

C17

A15A16B14B15

A3#A4#A5#A6#A7#A8#A9#A10#A11#A12#A13#A14#A15#A16#ADSTB#0

REQ0#REQ1#REQ2#REQ3#REQ4#

A17#A18#A19#A20#A21#A22#A23#A24#A25#A26#A27#A28#A29#A30#A31#ADSTB#1

A20M#FERR#IGNNE#

STPCLK#LINT0LINT1SMI#

ADS#BNR#BPRI#

DEFER#DRDY#DBSY#

BR0#

IERR#INIT#

LOCK#

RESET#RS0#RS1#RS2#

TRDY#

HIT#HITM#

BPM#0BPM#1BPM#2BPM#3PRDY#PREQ#

TCKTDI

TDOTMS

TRST#DBR#

PROCHOT#THERMDATHERMDC

THERMTRIP#

ITP_CLK1ITP_CLK0

BCLK1BCLK0

R14 27.4_1%

Q47MMBT3906B

EC

R94 0

R376 510

HS3

HEATSINK-Bottom

D6

1N4148

13

R54 56_1%

+EC10

100uF/25V-NCC-SMD6

R77 27.4_1%

DA

TA G

RP

2D

ATA

GR

P 3

MISC

DA

TA G

RP

1D

ATA

GR

P 0

U2B

Pentium M

A19A25A22B21A24B26A21B20C20B24D24E24C26B23E23C25C23C22D25

H23G25L23M26H24F25G24J23

M23J25L26N24M25H26N25K25K24L24J26

AC1E26

AD26

A1B2

C14C3

AF7C16

E1

Y26AA24T25U23V23R24R26R23AA23U26V24U25V26Y23AA26Y25W25W24T24

AB25AC23AB24AC20AC22AC25AD23AE22AF23AD24AF20AE21AD21AF25AF22AF26AE24AE25AD20

P25P26AB2AB1

F23C5

A6E4C19B7G1

D0#D1#D2#D3#D4#D5#D6#D7#D8#D9#D10#D11#D12#D13#D14#D15#DSTBN0#DSTBP0#DINV0#

D16#D17#D18#D19#D20#D21#D22#D23#D24#D25#D26#D27#D28#D29#D30#D31#DSTBN1#DSTBP1#DINV1#

GTLREF3GTLREF1GTLREF0

NC0NC1

BSEL1RSVD2RSVD3BSEL0PSI#

D32#D33#D34#D35#D36#D37#D38#D39#D40#D41#D42#D43#D44#D45#D46#D47#

DSTBN2#DSTBP2#

DINV2#

D48#D49#D50#D51#D52#D53#D54#D55#D56#D57#D58#D59#D60#D61#D62#D63#

DSTBN3#DSTBP3#

DINV3#

COMP0COMP1COMP2COMP3

TEST2TEST1

SLP#PWRGOOD#

DPWR#DPSLP#

DPRSTP#

HS1

HEATSINK

R160

4.7K

R66 54.9_1%

R390 4.7K

Q27MMBT3906B

EC

hexa

inf@

hotm

ail.co

m

Page 2: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

1.0

ATIOSYS

Custom

2 21Saturday, April 18, 2009

CPU

EPC900

Title

Size Document Number Rev

Date: Sheet of

H_VID0 4H_VID1 4

H_VID3 4H_VID2 4

H_VID5 4H_VID4 4

PCIE_ON39

MINI_E_CLK+3

PCIE_IN39

PCIE_OP39

PCIE_WAKE#10,13

PLTRST2#

PCIE_IP39

MINI_E_CLK-3

USB_PP7 9USB_PN7 9

+VCC_CORE CPU-VCCA

VCCP

+VCC_CORE CPU-VCCA

+VCC_CORE

+VCC_CORE

+VCC_CORE

+VCC_CORE

+VCC_CORE

+VCC_CORE

+V1.5S

VCC3

+V3.3S

+V1.5S

+V3.3SB

C4650.1uF

Q4

LX8384

1324

AD

J

VIN

VO

UT

VO

UT

U2C

Pentium M

AA11AA13AA15AA17AA19AA21

AA5AA7AA9

AB10AB12AB14AB16AB18AB20AB22

AB6AB8

AC11AC13AC15AC17AC19

AC9AD10AD12AD14AD16AD18

AD8AE11AE13AE15AE17AE19

AE9AF10AF12AF14AF16AF18

AF8D18D20D22

D6D8

E17E19E21

E5E7E9

F18F20F22

F6F8

G21

G5H22H6J21J5K22U5V22V6W21W5Y22Y6

F26B1N1AC26

D10D12D14D16E11E13E15F10F12F14F16K6L21L5M22M6N21N5P22P6R21R5T22T6U21

P23W4

E2F2F3G3G4H4

AE7

AF6

VCC0VCC1VCC2VCC3VCC4VCC5VCC6VCC7VCC8VCC9VCC10VCC11VCC12VCC13VCC14VCC15VCC16VCC17VCC18VCC19VCC20VCC21VCC22VCC23VCC24VCC25VCC26VCC27VCC28VCC29VCC30VCC31VCC32VCC33VCC34VCC35VCC36VCC37VCC38VCC39VCC40VCC41VCC42VCC43VCC44VCC45VCC46VCC47VCC48VCC49VCC50VCC51VCC52VCC53VCC54VCC55VCC56VCC57VCC58

VCC59VCC60VCC61VCC62VCC63VCC64VCC65VCC66VCC67VCC68VCC69VCC70VCC71

VCCA0VCCA1VCCA2VCCA3

VCCP0VCCP1VCCP2VCCP3VCCP4VCCP5VCCP6VCCP7VCCP8VCCP9

VCCP10VCCP11VCCP12VCCP13VCCP14VCCP15VCCP16VCCP17VCCP18VCCP19VCCP20VCCP21VCCP22VCCP23VCCP24

VCCQ0VCCQ1

VID0VID1VID2VID3VID4VID5

VCCSENSE

VSSSENSE

C48010uF/10V

U2D

Pentium M

A2A5A8

A11A14A17A20A23A26AA1AA4AA6AA8

AA10AA12AA14AA16AA18AA20AA22AA25

AB3AB5AB7AB9

AB11AB13AB15AB17AB19AB21AB23AB26AC2AC5AC8

AC10AC12AC14AC16AC18AC21AC24

AD1AD4AD7AD9

AD11AD13AD15AD17AD19AD22AD25

AE3AE6AE8

AE10AE12AE14AE16AE18AE20AE23AE26

AF2AF5AF9

AF11AF13AF15AF17AF19AF21AF24

B3B6B9

B12B16B19B22B25C1C4C7

C10C13C15C18C21C24

D2D5D7D9

D11

D13D15D17D19D21D23D26E3E6E8E10E12E14E16E18E20E22E25F1F4F5F7F9F11F13F15F17F19F21F24G2G6G22G23G26H3H5H21H25J1J4J6J22J24K2K5K21K23K26L3L6L22L25M1M4M5M21M24N3N6N22N23N26P2P5

R6

P24R1R4

P21

R22R25T3T5T21T23T26U2U6U22U24V1V4V5V21V25W3W6W22W23W26Y2Y5Y21Y24

VSS0VSS1VSS2VSS3VSS4VSS5VSS6VSS7VSS8VSS9VSS10VSS11VSS12VSS13VSS14VSS15VSS16VSS17VSS18VSS19VSS20VSS21VSS22VSS23VSS24VSS25VSS26VSS27VSS28VSS29VSS30VSS31VSS32VSS33VSS34VSS35VSS36VSS37VSS38VSS39VSS40VSS41VSS42VSS43VSS44VSS45VSS46VSS47VSS48VSS49VSS50VSS51VSS52VSS53VSS54VSS55VSS56VSS57VSS58VSS59VSS60VSS61VSS62VSS63VSS64VSS65VSS66VSS67VSS68VSS69VSS70VSS71VSS72VSS73VSS74VSS75VSS76VSS77VSS78VSS79VSS80VSS81VSS82VSS83VSS84VSS85VSS86VSS87VSS88VSS89VSS90VSS91VSS92VSS93VSS94VSS95VSS96

VSS97VSS98VSS99

VSS100VSS101VSS102VSS103VSS104VSS105VSS106VSS107VSS108VSS109VSS110VSS111VSS112VSS113VSS114VSS115VSS116VSS117VSS118VSS119VSS120VSS121VSS122VSS123VSS124VSS125VSS126VSS127VSS128VSS129VSS130VSS131VSS132VSS133VSS134VSS135VSS136VSS137VSS138VSS139VSS140VSS141VSS142VSS143VSS144VSS145VSS146VSS147VSS148VSS149VSS150VSS151VSS152VSS153VSS154VSS155VSS156VSS157VSS158VSS159VSS160VSS161

VSS166

VSS163VSS164VSS165

VSS162

VSS167VSS168VSS169VSS170VSS171VSS172VSS173VSS174VSS175VSS176VSS177VSS178VSS179VSS180VSS181VSS182VSS183VSS184VSS185VSS186VSS187VSS188VSS189VSS190VSS191

C148

0.1uF

C45

0.1uF

R149.9_1%

21

C5180.1uF

KEY

MPCIE

M-PCIE

1614121086421

3579

111315

171921232527293133353739414345474951

182022242628303234363840424446485052

53 54

RSVD17RSVD16RSVD15RSVD14RSVD13+1.5V_1

GND7+3.3V_1WAKE#

RSVD1RSVD2CLKREQ#GND1REFCLK-REFCLK+GND2

RSVD3RSVD4GND3PER_N0PER_P0GND4GND5PET_N0PET_P0GND6RSVD5RSVD6RSVD7RSVD8RSVD9RSVD10RSVD11RSVD12

GND8W_DISABLE#

PERST#+3.3V_AUX

GND9+1.5V_2

SMB_CLKSMB_DATA

GND10USB_D-USB_D+

GND11LED_WWAN#LED_WLAN#LED_WPAN#

+1.5V_3GND12

+3.3V_2GNDM1 GNDM2

C11510uF/10V

R106 0/X

C10010uF/10V

C41

0.1uF

C1010uF/10V

C5090.1uF

C49410uF/10V

C810uF/10V

C8110uF/10V

C50510uF/10V

C9910uF/10V

R31 0/0402

C48810uF/10V

R4 0

R109 0

C5110.1uF

C110.01uF

C39

10UF/10V

C38

0.1uF

TP5

C49010uF/10V

C4930.1uF

C49510uF/10V

C50410uF/10V

R3 0

C8010uF/10V

C4780.1uF

C1010.1uF

C40

0.1uF

C48710uF/10V

JPCIE_LATCH1

1717832/SMD

R32 1KC4890.1uF

R2

115_1%

21

C50810uF/10V

C5100.1uF

C4570.1uF

C1280.01uF

C4820.1uF

TP6

C13110uF/10V

C4660.1uF

C46110uF/10V

C50110uF/10V

C11610uF/10V

C5120.1uF

C37

10UF/10V

C4580.1uF

C4990.1uF

C1290.01uF

C47310uF/10V

C4630.1uF

C6410uF/10V

C13210uF/10V

C52

0.1uF

C910uF/10V

C4980.1uF

C47910uF/10V

C660.1uF

C5000.1uF

C4640.1uF

C29

10UF/10V

C6510uF/10V

C47410uF/10V

C13310uF/10V

C5170.1uF

C120.01uF

C4830.1uF

C50210uF/10V

Page 3: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

FSAFSAFSAFSA

133133133133

Place termination close to source IC

FSCFSCFSCFSC

If SB use ICH6M : R277 Mount , R437 reserved

SB use ICH6R : R277 reserved , R437 mount

1111

HOST CLOCKHOST CLOCKHOST CLOCKHOST CLOCK

1111

****

0000

00001111

100100100100

0000

FSBFSBFSBFSB

BIOS

1.0

ATIOSYS

B

3 21Saturday, April 18, 2009

CLK

EPC900

Title

Size Document Number Rev

Date: Sheet of

CLK_PCIE_LAN#

PCI5

DREFCLK

PCI_STP#

CLK_CPU_BCLK#

CLK_PCIE_LAN

CLK_PCIE_ICHCLK_PCIE_ICH#

DREFCLK#

PCIF1

CLK_PCIE0

CLK_FWH

CLK_MCH_BCLK#CLK_MCH_BCLK

CLK_BSEL1

CLK_CPU_BCLK

PCI4

PCIF0

CLK_PCIE0#

CLK_BSEL0

PCI_STP#

5VVSYNC

5VHSYNC

G

CRTDET

R

B

B

CRTDETR

HS

DAT

DCK

G

VS

LAD1LAD0

LAD3PLTRST#

CLK_FWH

LAD2

GVS

HS

5VVSYNC

B

5VHSYNC

5VDDCDA

R

5VDDCCL

5VDDCDA

5VDDCCL

HS5VVSYNC

5VDDCCL DCK

G

VS

B

5VDDCDA

R

5VHSYNC

DAT

DREFSSCLKDREFSSCLK#

PCI3

PCI2

CLK_BSEL1CPU_BSEL0 CLK_BSEL0

CPU#1CPU1

CLK_MCH_3GPLLCLK_MCH_3GPLL#

CLK_PCIE_SATA#CLK_PCIE_SATA

CLK_PCIE_LAN

CLK_PCIE0#

CLK_PCIE_LAN#

CLK_PCIE_SATA#

CLK_CPU_BCLK#

CLK_MCH_BCLK#

CLK_PCIE_SATA

CLK_PCIE0

CLK_CPU_BCLK

CLK_MCH_BCLK

CLK_MCH_3GPLL#CLK_MCH_3GPLLCLK_PCIE_ICH#CLK_PCIE_ICH

DREFCLK

DREFSSCLKDREFCLK#

DREFSSCLK#

CPU_BSEL1

CLK_PCIE_ICH 9

DREFCLK 6

CLK_SIOPCI15

CLK_MCH_BCLK 5

CLK_CPU_BCLK 1

CLK_PCIE_ICH# 9

CLK_ICH14 10

CLK_USB489

PM_STPCPU# 4,10

DREFCLK# 6

SRCCLK_LAN 13

PM_STPPCI# 10

-SRCCLK_LAN 13

CLK_EN# 4

CLK_MCH_BCLK# 5

SMB_DATA-S9,10

CLK_ICHPCI9

SMB_CLK-S9,10

CLK_CPU_BCLK# 1

LPCCLK4815

CRT_VSYNC6

CRT_HSYNC6

FWH_WP#10

LPC_AD2 10,15,18

PLTRST#9,13,15,18,21

LPC_FRAME# 10,15,18FWH_INIT# 10

LPC_AD1 10,15,18

FWH_TBL#10

LPC_AD3 10,15,18

LPC_AD0 10,15,18CRT_DDC_CLK6CRT_DDC_DATA6

CRT_BLUE6

CRT_RED6CRT_GREEN6

DREFSSCLK# 6DREFSSCLK 6

MCH_BSEL1 6

MCH_BSEL0 6

CPU_BSEL01CPU_BSEL11

CLK_MCH_3GPLL# 6CLK_MCH_3GPLL 6

CLK_PCIE_SATA# 10CLK_PCIE_SATA 10

CLK_COM18

CLK_AC97 16

MINI_E_CLK+ 2MINI_E_CLK- 2

+V3.3S_CLKVDD

VGAGND

+V3.3S

VGAGND

+V3.3S

+V3.3S_CLKVDD

+V3.3S

+V5S

+V5S

+V5S

+V5S

+V5S

+V5S

+V5S

+V3.3S

VCCP

VG

AG

ND

VGAGND

VGAGND

VGAGND

+V3.3S

VCCP

VGAGND

+V2.5S

+V3.3S_CLKVDD +V3.3S

FB32

220-

L060

3

R220 10K1 2

C262

0.1uF

FB57 220-L0603

C3790.01uF

FB39 220-L0603

C42933PF

R276 331 2

FB71 220-L0603/XFB72 220-L0603/X

R198 331 2

R283 331 2

FB63 220-L0603

C231

18pF

C24010uF/10V

C220

0.1uF

R202 331 2

C245

0.01uF

R243 8.2K

R219 10K/X1 2

R425150 1%

12

C264

0.1uF

C41533PF

C25110uF/10V

R277 331 2

R19910K/X

1 2

R206 331 2

R282 331 2

C4173.3pF

R201 331 2

FB60 220-L0603

C221

0.1uF

FB59 220-L0603Q56

FDV301N1

32

R222 331 2

U14

CY28442-2/ICS954226

1

212834

42

3738

50

53

16

12

5

4

3

56

8

46

47

39

132945

26

51

4140

4443

3635

3332

2726

3031

2524

7

1817

2019

2322

1415

10

52

49

5455

48

11

9

VD

D_R

EFVDD_SRC

VDD_SRCVDD_SRC_ITP

VDD_CPU

VDD_AVSS_A

XTAL_IN

FS_C/TEST_SEL/REF0

FS_B/TESTMODE

FS_A/48M_0

PCI5

PCI4

PCI3

PCI2/SEL_CLKREQ

PCIF0/ITP_EN

SCLOCK

SDATA

IREF

VSS_48VSS_SRCVSS_CPUVSS_REFVSS_PCIVSSA2

CPU1CPU1#

CPU0CPU0#

CPU_2_ITP/SRC_7CPU2_ITP/SRC7#

CLKREQA#/SRC6CLKREQB#/SRC6#

SRC4#_SATASRC4_SATA

SRC5#SRC5

SRC3#SRC3

VD

D_P

CI

96_100_SSCC96_100_SSCT

SRC1#SRC1

SRC2#SRC2

DOT96DOT96#

VTTPWRGD#/PD

REF1

XTAL_OUT

CPU_STOP#PCI_STOP#

VDDA2

VDD_48

PCIF1/96_100_SEL

R327 10K/X12

FB61 220-L0603

C24910uF/10V

R305 331 2

R236 0

C222

0.01uF

R205 331 2

C41433PF

C4323.3pF

R2324.7K

R275 331 2

R321 10K1 2

R184

470

12

R329 1K12

U13 PLCC32-SOCKET

29

30

31

12

345678

1211109

1314151716

32181920212224232728

2526

IC

FGP14

CLK

VPPRST#

FGP13FGP12FGP11FGP10WP#TBL#

ID0ID1ID2ID3

FWH0FWH1FWH2FWH3

GND16

VCC32RFU18RFU19RFU20RFU21RFU22

INIT#FWH4VCCAGNDA

VCC25GND26

R313 33/X1 2

R308 331 2

C22710uF/10V

C43133PF

R412

10K

12

Q53FDV301N

1

32

R414 75 1%1 2

R274 331 2

C243 0.1uF

C4183.3pF

RN30 2.2KX4

1 3 5 7

2 4 6 8RN15 49.9X41 2

3 45 67 8

R307 331 2

RN29 2.2KX41357

2468

R208 331 2

R325 49.9_1%1 2

R181 1K/X12

R200 331 2

FB64 220-L0603

C41633PF

R264

100 1%

VGA

VGA_PORT_15

6

G2

1728394

10

G1

5

11

12

13

14

15

R424150 1%

12

R426150 1%

12

R25110K 1%

C3780.01uF

R207 331 2

R326 49.9_1%1 2

Q54

FDV301N1

32

Q52

FDV301N1

32

R2334.7K

R273 331 2

RN11 49.9X41 23 45 67 8

C339

0.1uF

C4333.3pF

C42833PF

RN10 49.9X4

1 23 45 67 8

R328 1K12

R183 1K12

FB54 220-L0603

C219 0.1uF

Q55FDV301N

1

32

C2600.1uF

C4343.3pF

R278 331 2

U29

74AHCT1G32DBVR

4

123

5

Q

ABGND

VDD

Y214.318MHz

1 2

C238

18pF

R281 331 2

FB37 220-L0603

R272 331 2

RN16 49.9X41 23 45 67 8

R416 75 1%1 2

C244

0.1uF

FB58 220-L0603

RN13 8.2KX4

1 23 45 67 8

FB62 220-L0603

R203 331 2

R322 10K1 2

C43033PF

R182 10K12

D29 1N414813

R279 331 2

R244 0

R280 331 2

R420 75 1%1 2

FS102A/6V

R304 10K1 2

C419

3.3pF

R306 331 2

DN1 PACDN006

12345

678 IO1

IO2V-

IO3IO4IO5V+IO6

C41333PF

U30

74AHCT1G32DBVR

4

123

5

Q

ABGND

VDD

R221 331 2

R314 331 2

R204 331 2

hexa

inf@

hotm

ail.co

m

Page 4: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

0.6V-1.75V@32A

Route in paralleland use trace.

Route in paralleland use trace.

1 ohm->0 ohm1 ohm->0 ohm

1.0

ATIOSYS

B

4 21Saturday, April 18, 2009

VCORE

EPC900

Title

Size Document Number Rev

Date: Sheet of

TG2

VOA+

SW1

+VCC_CORE

SW2

BG2

VOA-

BG1

DRVIN

PM_DPRSLPVR

TG1

S2+

S2+

S1+

S1+

+VCC_CORE

BG1

SW1

BG2

SW2

PM_DPRSLPVR

PM_PSI#

PM_STPCPU#

H_VID0H_VID1H_VID2H_VID3

H_VID4

H_VID5

INT_CORE_PWRGD

PM_PSI#

CLK_EN# VRMPWRGDCLK_EN#

PM_STPCPU# +V

CC

_CO

RE

+VCC_CORE

+V

CC

_CO

RE

PM_DPRSLPVR10

H_VID0 2

H_VID1 2

H_VID2 2

H_VID3 2

H_VID4 2

H_VID5 2

PM_PSI#1

VCCP_PGD 17

IMVP_PGOOD 10

CLK_EN# 3

+V1.5S_PGD 17

VRMPWRGD 10

PM_STPCPU#3,10

VCCP_PGD17

VCCP

VCC3

VCC3

VCC3 VCC

VCC

VCC3VCC3 VCC3

VCCP

+12V

+12V

+12V

+12V

+12V

+V3.3S +V5S

+12V

+12V

+VCC_CORE

+12V

VCC3

R451 10K

C4431000pF

U32

LTC3735EG

6

7

8

2

3

4

5

21

22

23

24

25

26

27

28

1

9

10

11

12

13

14

20

1918

17

16

15

36

35

34

33

32

31

30

29

VOA-

OAOUT

STP_CPUB

DPRSLPVR

FREQSET

PSIB

VOA+

VID2

VID3

VID4

VID5

BG2

PGND

BG1

PVCC

FB

SGND

SENSE1+

SENSE1-

SENSE2+

SENSE2-

RDPRSLP

VID1

VID0RBOOT

ITH

RUN/SS

RDPSLP

MCH_PG

PGOOD

BOOST1

TG1

SW1

BOOST2

TG2

SW2

R43949.9K_1%

L8GST-125-1R0-M

1 2

R452 0/X

R440487K_1%

C4440.22uF

C17100pF

OC2D

10u/16V 1210/X

R435 0R11249K_1%

D2RB050L-40

21

L4GST-125-1R0-M

12

Q22N3904

1

23

R44713.3K_1%

D31BAT54A

13

2

+OC2

470u

F/1

6V-N

CC

-DIP

10123 5

4

Q14AO44564

51 32

6 7 8

R43410.2K_1%

R44210

C1171uF

C1674.7uF/16V

Q10AO44564

51 32

6 7 8

C439

0.1uF

R1610K_1%

R444 0

R441 8.2K

C437200pF

Q16AO44564

51 32

6 7 8

OC1A

10u/16V 1210/X

R454 0

C20.01uF

R443100

D3RB050L-40

21

C44510uF/10V

OC2B

10u/16V 1210/X

OC1B

10u/16V 1210/X

+ PC9

330u

F/2

.5V

-SA

NY

O-D

R459

13.3K_1%

C1744.7uF/16V

C64.7uF/16V

U31A

74LVC14

714

21

OC1C

10u/16V 1210/X

R17200K

C4401000pF

R78

0.002

R2512

R91M

C4460.22uF

C4411uF

Q32N3904

1

23

C1624.7uF/16V

C74.7uF/16V

R64

0.002

R2512

C54.7uF/16V

R4461.5K

R1080.6K_1%

R450 10K

C447100pF

R432232K_1%

R449100

R15200K

C1800.01uF

C438 100pF

R44510

OC2A

10u/16V 1210/X

C44210uF/10V

OC2C

10u/16V 1210/X

+OC1

470u

F/1

6V-N

CC

-DIP

10123 5

4

R43710

+OC1E

47uF

/25V

-SA

NY

O-S

MD

/X

C1850.01uF

R44810

R4381.5K

RN33 8.2KX41357

2468

R456

1.91K_ 1%

R458

324K_1%

R43315K_1%

OC1D

10u/16V 1210/X

R436 8.2K

Q5AO44564

51 32

6 7 8

Q11AO44564

51 32

6 7 8

+ PC6

330u

F/2

.5V

-SA

NY

O-D

C821uF

+OC2E

47uF

/25V

-SA

NY

O-S

MD

/X

Q12N3904

1

23

+ PC12

330u

F/2

.5V

-SA

NY

O-D

R4530

C10.01uF

R455 10K

Q15AO44564

51 32

6 7 8

R8100K

R12100K

+ PC4

330u

F/2

.5V

-SA

NY

O-D

R4570

Page 5: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

1.0

ATIOSYS

Custom

5 21Saturday, April 18, 2009

GMCH-1

EPC900

Title

Size Document Number Rev

Date: Sheet of

M_VREF_MCH

DQSA[0..7]

MODT[0..3]

DMA[0..7]

-DQSA[0..7]

H_D#30

H_D#44

H_D#51

H_XSWING

H_YSCOMP

H_A#24

MDA8

MDA34

MDA59MDA60

DQSA7

H_D#11

H_D#28

H_D#31

H_D#43

H_D#47

H_D#50

H_DINV#0

TP_H_EDRDY#

MDA23

MDA41

MDA54

MAAA6

H_D#36

H_D#54

H_A#9

H_A#15

H_A#29

H_VREF

H_DSTBN#3

H_DSTBP#2

H_REQ#3

MDA9

MDA33

MDA36

MDA57

DQSA1

DQSA3

-DQSA4

MAAA7H_D#39H_D#40H_D#41

H_D#45

H_D#52

MDA10

MDA12

MDA37

MDA49

MAAA1

MAAA11

H_D#2

H_D#24

H_XSCOMP

H_A#3

H_A#6

H_A#21H_A#22

H_DINV#2

H_RS#2

MDA3

MDA17

MDA19

MDA52

H_YSWING

H_XRCOMP

H_D#5

H_D#17

H_D#34H_D#35

H_D#48

H_D#53

H_A#17MDA13

MDA25MDA26

MDA35

MDA43

MDA50

DMA3

DQSA2

H_D#9H_D#10

H_D#29

H_D#42

H_D#56

H_A#10

H_A#26H_A#27

H_DSTBN#0

MDA0

MDA4

MDA29

MDA45

DMA6

DQSA0

MAAA2MAAA3

H_XSWING

H_D#1

H_D#22

H_D#60

H_A#30

H_DSTBN#2

MDA5

MDA46

-DQSA0

-DQSA5

MAAA12

H_YSCOMP

H_D#8

H_D#16

H_D#19

H_D#46

H_D#62

H_A#5

H_A#8

H_A#12

H_A#16

H_A#23

H_DSTBP#1

H_CPUSLP#_GMCH

MDA55

MAAA9

H_D#3

H_D#7

H_D#33

H_D#58

H_D#63

H_A#14

H_A#18

H_A#25

H_A#28

H_DINV#1

MDA21

MDA30

MDA39

MDA62

-DQSA7

H_D#4

H_D#12

H_D#20

H_A#11

H_DINV#3

MDA31

MDA44

MDA61

MDA63

DQSA6

MAAA8

H_D#21

H_D#37

H_D#61

H_DSTBP#0

H_RS#1

MDA6

MDA11

MDA16

MDA22

MDA38

DMA1DMA2

DMA4DMA5

DMA7

-DQSA1

MAAA4

H_D#0

H_D#27

H_D#32

H_D#49

MDA7

MDA14MDA15

MDA20

MDA42

MAAA13

H_D#15

H_D#26

H_D#38

H_D#59

H_A#13

H_RS#0

MDA24

MDA32

MDA48

DMA0

-DQSA3

H_D#6

H_D#13

H_D#18

H_D#25

H_A#4

H_A#19

H_REQ#1H_REQ#2

MDA1MDA2

MDA18

MDA27

MDA53

-DQSA2

MAAA5

MAAA10

H_YRCOMP

H_D#14

H_D#57

H_YSWING

H_A#20

TP_H_PCREQ#H_REQ#0

MDA28

MDA40

MDA47

MDA58

DQSA4DQSA5

-DQSA6

MAAA0

H_XSCOMP

H_D#23

H_D#55

H_XRCOMP

H_YRCOMP

H_A#7

H_A#31

H_DSTBN#1

H_DSTBP#3

H_REQ#4

MDA51

MDA56

H_DINV#2 1

H_HIT# 1

H_DSTBN#0 1

H_HITM# 1

H_DSTBN#3 1

H_CPURST# 1

H_LOCK# 1

H_DPWR# 1

H_ADSTB#1 1

CLK_MCH_BCLK# 3

H_BPRI# 1

H_DEFER# 1

H_BNR# 1

H_A#[31:3] 1

H_ADS# 1

CLK_MCH_BCLK 3

H_REQ#[4:0] 1

H_DSTBP#3 1

H_DBSY# 1

H_DSTBN#2 1

H_DINV#3 1

H_DSTBP#0 1

H_ADSTB#0 1

H_DSTBP#1 1

H_DINV#1 1

H_DSTBN#1 1

H_DRDY# 1

H_CPUSLP# 1,10

H_DINV#0 1

H_DSTBP#2 1

H_BREQ#0 1

H_D#[63:0]1

-DQSA[0..7] 12

DQSA[0..7] 12

M_VREF_MCH 6,12

DMA[0..7] 12

MODT[0..3] 6,12

MAAA[0..13] 12

MDA[0..63]12

-DQSA[0..7] 12

DQSA[0..7] 12

SBAA2 12

SBAA0 12SBAA1 12

DMA[0..7] 12

H_TRDY# 1

-SRASA 12

H_RS#0 1

-SWEA 12

H_RS#1 1H_RS#2 1

-SCASA 12

VCCP

VCCP

VCCP

VCCP

VCCP

C146

0.1uF

C140

0.1uF

R125

100_1%

12

TP13

R127

54.9_1%

12

HOST

U3A

915GM

E4E1F4H7E2F1E3D3K7F2J7J8H6F3K8H5H1H2K5K6J4G3H3J1L5K4J5P7L7J3P5L3U7V6R6R5P3T8R7R8U8R4T4T5R1T3V8U6W6U3V5

W8W7U2U1Y5Y2V4Y7

W1W3Y3Y6

W2

C1C2D1T1L1P1

G9C9E9B7A10F9D8B10E10G10D9E11F10G11G13C10C11D11C12B13A12F12G12E12C13B11D13A13F13

F8B9E13J11A5D5E7H10

AB1AB2

C6E6H8K3T7U5G6F7G4K1R3V3G5K2R2W4F6D4D6B3A11A7D7B8C7A8A4C5B4G8B5

HD0#HD1#HD2#HD3#HD4#HD5#HD6#HD7#HD8#HD9#HD10#HD11#HD12#HD13#HD14#HD15#HD16#HD17#HD18#HD19#HD20#HD21#HD22#HD23#HD24#HD25#HD26#HD27#HD28#HD29#HD30#HD31#HD32#HD33#HD34#HD35#HD36#HD37#HD38#HD39#HD40#HD41#HD42#HD43#HD44#HD45#HD46#HD47#HD48#HD49#HD50#HD51#HD52#HD53#HD54#HD55#HD56#HD57#HD58#HD59#HD60#HD61#HD62#HD63#

HXRCOMPHXSCOMPHXSWINGHYRCOMPHYSCOMPHYSWING

HA#3HA#4HA#5HA#6HA#7HA#8HA#9

HA#10HA#11HA#12HA#13HA#14HA#15HA#16HA#17HA#18HA#19HA#20HA#21HA#22HA#23HA#24HA#25HA#26HA#27HA#28HA#29HA#30HA#31

HADS#HADSTB#0HADSTB#1

HVREFHBNR#HBPRI#

HBREQ0#HCPURST#

HCLKINNHCLKINP

HDBSY#HDEFER#HDINV#0HDINV#1HDINV#2HDINV#3HDPWR#HDRDY#

HDSTBN#0HDSTBN#1HDSTBN#2HDSTBN#3HDSTBP#0HDSTBP#1HDSTBP#2HDSTBP#3HEDRDY#

HHIT#HHITM#

HLOCK#HPCREQ#

HREQ#0HREQ#1HREQ#2HREQ#3HREQ#4

HRS0#HRS1#HRS2#

HCPUSLP#HTRDY#

DDR SYSTEM MEMORY A

U3C

915GM

AG35AH35AL35AL37AH36AJ35AK37AL34

AM36AN35AP32AM31AM34AM35AL32

AM32AN31AP31AN28AP28AL30

AM30AM28AL28AP27AM27AM23AM22AL23

AM24AN22AP22AM9AL9AL6AP7

AP11AP10

AL7AM7AN5AN6AN3AP3AP6AM6AL4

AM3AK2AK3AG2AG1AL3

AM2AH3AG3AF3AE3AD6AC4AF2AF1AD4AD5

AK15AK16AL21

AJ37AP35AL29AP24AP9AP4AJ2AD3

AK36AP33AN29AP23AM8AM4AJ1AE5

AK35AP34AN30AN23AN8AM5AH1AE4

AL17AP17AP18AM17AN18AM18AL19AP20AM19AL20AM16AN20AM20AM15

AN15AP16AF29AF28AP15

SADQ0SADQ1SADQ2SADQ3SADQ4SADQ5SADQ6SADQ7SADQ8SADQ9SADQ10SADQ11SADQ12SADQ13SADQ14SADQ15SADQ16SADQ17SADQ18SADQ19SADQ20SADQ21SADQ22SADQ23SADQ24SADQ25SADQ26SADQ27SADQ28SADQ29SADQ30SADQ31SADQ32SADQ33SADQ34SADQ35SADQ36SADQ37SADQ38SADQ39SADQ40SADQ41SADQ42SADQ43SADQ44SADQ45SADQ46SADQ47SADQ48SADQ49SADQ50SADQ51SADQ52SADQ53SADQ54SADQ55SADQ56SADQ57SADQ58SADQ59SADQ60SADQ61SADQ62SADQ63

SA_BS0#SA_BS1#SA_BS2#

SA_DM0SA_DM1SA_DM2SA_DM3SA_DM4SA_DM5SA_DM6SA_DM7

SA_DQS0SA_DQS1SA_DQS2SA_DQS3SA_DQS4SA_DQS5SA_DQS6SA_DQS7

SA_DQS0#SA_DQS1#SA_DQS2#SA_DQS3#SA_DQS4#SA_DQS5#SA_DQS6#SA_DQS7#

SA_MA0SA_MA1SA_MA2SA_MA3SA_MA4SA_MA5SA_MA6SA_MA7SA_MA8SA_MA9

SA_MA10SA_MA11SA_MA12SA_MA13

SA_CAS#SA_RAS#

RA_RCVENIN#SA_RCVENOUT#

SA_WE#

R110

24.9_1%

12

R129

100_1%

12

R122

24.9_1%

12

R118

100_1%

12

DDR SYSTEM MEMORY B

U3D

915GM

AE31AE32AG32AG36AE34AE33AF31AF30AH33AH32AK31AG30AG34AG33AH31AJ31AK30AJ30AH29AH28AK29AH30AH27AG28AF24AG23AJ22AK22AH24AH23AG22AJ21AG10

AG9AG8AH8

AH11AH10

AJ9AK9AJ7AK6AJ4AH5AK8AJ8AJ5AK4AG5AG4AD8AD9AH4AG6AE8AD7AC5AB8AB6AA8AC8AC7AA4AA5

AJ15AG17AG21

AF32AK34AK27AK24AJ10AK5AE7AB7

AF34AK32AJ28AK23AM10AH6AF8AB4

AF35AK33AK28AJ23AL10AH7AF7AB5

AH17AK17AH18AJ18AK18AJ19AK19AH19AJ20AH20AJ16AG18AG20AG15

AH14AK14AF15AF14AH16

SBDQ0SBDQ1SBDQ2SBDQ3SBDQ4SBDQ5SBDQ6SBDQ7SBDQ8SBDQ9SBDQ10SBDQ11SBDQ12SBDQ13SBDQ14SBDQ15SBDQ16SBDQ17SBDQ18SBDQ19SBDQ20SBDQ21SBDQ22SBDQ23SBDQ24SBDQ25SBDQ26SBDQ27SBDQ28SBDQ29SBDQ30SBDQ31SBDQ32SBDQ33SBDQ34SBDQ35SBDQ36SBDQ37SBDQ38SBDQ39SBDQ40SBDQ41SBDQ42SBDQ43SBDQ44SBDQ45SBDQ46SBDQ47SBDQ48SBDQ49SBDQ50SBDQ51SBDQ52SBDQ53SBDQ54SBDQ55SBDQ56SBDQ57SBDQ58SBDQ59SBDQ60SBDQ61SBDQ62SBDQ63

SB_BS0#SB_BS1#SB_BS2#

SB_DM0SB_DM1SB_DM2SB_DM3SB_DM4SB_DM5SB_DM6SB_DM7

SB_DQS0SB_DQS1SB_DQS2SB_DQS3SB_DQS4SB_DQS5SB_DQS6SB_DQS7

SB_DQS0#SB_DQS1#SB_DQS2#SB_DQS3#SB_DQS4#SB_DQS5#SB_DQS6#SB_DQS7#

SB_MA0SB_MA1SB_MA2SB_MA3SB_MA4SB_MA5SB_MA6SB_MA7SB_MA8SB_MA9

SB_MA10SB_MA11SB_MA12SB_MA13

SB_CAS#SB_RAS#

SB_RCVENIN#SB_RCVENOUT#

SB_WE#

R131 012

R126

221_1%

12

TP14

C136

0.1uF

R121

200_1%

12

R104

54.9_1%

12

R120

221_1%

12

hexa

inf@

hotm

ail.co

m

Page 6: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

Route as short as possible CFG5 Low = DMIX2 High= DMIX4

CFG7(CPU Strap) Low = DT/Transportable CPUHigh = Mobile CPU

CFG16(FSB Dynamic ODT) Low = Dynamic ODT DisableHigh = Dynamic ODT Enbabled

High = Normal

operation

CFG9 PCIe Graphics Lane Low = Reverse Lane

High = 1.5VCFG18 (VCC Select) Low = 1.05V

CFG19 (VTT Select) Low = 1.05VHigh = 1.5V

CFG6 Low = DDR-II High = DDR-I

CFG[17:3] have internal pullup resistorsCFG[19:18] have internal pulldown resistors

CFG[2:0] External pullup required

儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘PIN

1.0

ATIOSYS

B

6 21Saturday, April 18, 2009

GMCH

EPC900

Title

Size Document Number Rev

Date: Sheet of

PEG_COMPSDVOCLDATASDVOCLCLK

VSYNCHSYNC

L_VREFLL_VREFH

DMI_TXN0DMI_TXN1DMI_TXN2DMI_TXN3

DMI_TXP0DMI_TXP1DMI_TXP2DMI_TXP3

DMI_RXN0DMI_RXN1DMI_RXN2DMI_RXN3

DMI_RXP0DMI_RXP1DMI_RXP2DMI_RXP3

M_OCDCOMP1

M_RCOMPNM_RCOMPP

SMXSLEW

SMYSLEW

PM_EXTTS#0

PM_EXTTS#1

M_RCOMPN

M_RCOMPP

L_IBG

XDP_OBS0

CFG5

CFG7CFG6

CFG9

CFG19CFG18

CFG16

PM_EXTTS#0PM_EXTTS#1

CFG19

CFG18

M_OCDCOMP0

M_VREF_MCH

M_VREF_MCH

L_LVBG

CRTIREF

TVIREF

CFG9

CFG12CFG13

CFG7

CFG5

CFG16

CFG6

SDVOCLCLKSDVOCLDATA

L_IBG

CLK_MCH_3GPLL#3CLK_MCH_3GPLL3

TV_DACA_OUT14TV_DACB_OUT14TV_DACC_OUT14

CRT_DDC_CLK3CRT_DDC_DATA3CRT_BLUE3

CRT_GREEN3

CRT_RED3

CRT_VSYNC3CRT_HSYNC3

L_BKLTEN14

L_VDDEN14

LA_CLKN14,20LA_CLKP14,20LB_CLKNLB_CLKP

LA_DATAN014,20LA_DATAN114,20LA_DATAN214,20

LA_DATAP014,20LA_DATAP114,20LA_DATAP214,20

LB_DATAN0LB_DATAN1LB_DATAN2

LB_DATAP0LB_DATAP1LB_DATAP2

MCH_BSEL1 3MCH_BSEL0 3

PM_BMBUSY# 10

PM_THRMTRIP# 1,10DELAY_VR_PWRGOOD 10PLT_RST# 9

DREFCLK# 3DREFCLK 3DREFSSCLK# 3DREFSSCLK 3

DMI_TXN09DMI_TXN19DMI_TXN29DMI_TXN39

DMI_TXP09DMI_TXP19DMI_TXP29DMI_TXP39

DMI_RXN09DMI_RXN19DMI_RXN29DMI_RXN39

DMI_RXP09DMI_RXP19DMI_RXP29DMI_RXP39

L_BKLTCTL14

MODT012MODT112

LA_DATAN314,20

LA_DATAP314,20

LB_DATAN3

LB_DATAP3

-DCLKA012

CKEA112

DCLKA012

-DCLKA112

DCLKA112

-CSA012-CSA112

CKEA012

M_VREF_MCH12

SDVO_ST+ 21

SDVO_R+ 21SDVO_G+ 21

SDVO_CK+ 21

SDVO_B- 21

SDVO_B+ 21

SDVO_CK- 21

SDVO_CRTDATA21

SDVO_G- 21

SDVO_CRTCLK21

SDVO_ST- 21

SDVO_R- 21

PM_EXTTS#0 12

VCCP +V1.5S_PCIE

+V2.5S

+V2.5S

+V3.3S

+V3.3S

+V1.8S

+V1.8S

VCCP

VGAGND

+V2.5S +V2.5S

+V2.5S

R35 1.5K12TP3

R44100_1%

12

TP7

R96 2.2K/X12

R62150_1%

12

R89 4.99K_1%12

R68150_1%

12

TP4

R87 150_1%12

TP8

NC

CLK

PM

CFG/RSVDDMI

DDR MUXING

U3B

915GM

AA31AB35AC31AD35

Y31AA35AB31AC35

AA33AB37AC33AD37

Y33AA37AB33AC37

AM33AL1

AJ34AF6

AN33AK1

AJ33AF5

AP21AM21AH21AK21

AN16AM14AH15AG16

AF22AF16

AP14AL15AM11AN10

AK10AK11AF37AD1

AE27AE28

AF9AF10

G16H13G14F16F15G15E16D17J16D15E15D14E14H12C14H15J15H14G22G23D23G25G24J17

AE11AE10AC10AD10

J23J21H22F5AD30AE29

A24A23C37D37

AP37AN37AP36AP2AP1AN1B1A2B37A36A37

DMIRXN0DMIRXN1DMIRXN2DMIRXN3

DMIRXP0DMIRXP1DMIRXP2DMIRXP3

DMITXN0DMITXN1DMITXN2DMITXN3

DMITXP0DMITXP1DMITXP2DMITXP3

SM_CK0SM_CK1

SM_CK3SM_CK4

SM_CK0#SM_CK1#

SM_CK3#SM_CK4#

SM_CKE0SM_CKE1SM_CKE2SM_CKE3

SM_CS0#SM_CS1#SM_CS2#SM_CS3#

SM_OCDCOMP0SM_OCDCOMP1

SM_ODT0SM_ODT1SM_ODT2SM_ODT3

SMRCOMPNSMRCOMPPSMVREF0SMVREF1SMXSLEWINSMXSLEWOUTSMYSLEWINSMYSLEWOUT

CFG0CFG1CFG2CFG3CFG4CFG5CFG6CFG7CFG8CFG9

CFG10CFG11CFG12CFG13CFG14CFG15CFG16CFG17CFG18CFG19CFG20

RSVD21RSVD22RSVD23

RSVD28RSVD29RSVD30RSVD31

BM_BUSY#EXT_TS0#EXT_TS1#

THRMTRIP#PWROKRSTIN#

DREF_CLKNDREF_CLKP

DREF_SSCLKNDREF_SSCLKP

NC1NC2NC3NC4NC5NC6NC7NC8NC9

NC10NC11

R725.6K

12

R102 80.6_1%12

R30 24.9_1%12

R52 10K/X12

R21 2.2K/X12

RN1 10KX41 23 45 67 8

TP12

R42 10K12

R65150_1%

12

R81

40.2_1%

12

R82 150_1%12

R124 1K12

TP11

R92 10K/X12

R93 2.2K12

R460 10K/X12

R51

40.2_1%

12

R60 3312

R99 80.6_1%12

TP2TP17

PCI-EXPRESS GRAPHICS

MISC

TV

VGA

LVDS

U3G

915GM

H24H25

AB29AC29

A15C16A17J18B15B16B17

E24E23E21D21C20B20A19B19H21G21J20

E25F25C23C22F23F22F26C33C31F28F27

B30B29C25C24

B34B33B32A31

C28D27C26D25

C29D28C27D26

A34A33B31A30

D36D34

E30F34G30H34J30K34L30M34N30P34R30T34U30V34W30Y34

D30E34F30G34H30J34K30L34M30N34P30R34T30U34V30W34

E32F36G32H36J32K36L32M36N32P36R32T36U32V36W32Y36

D32E36F32G36H32J36K32L36M32N36P32R36T32U36V32W36

SDVOCTRL_DATASDVOCTRL_CLKGCLKNGCLKP

TVDAC_ATVDAC_BTVDAC_CTV_REFSETTV_IRTNATV_IRTNBTV_IRTNC

DDCCLKDDCDATABLUEBLUE#GREENGREEN#REDRED#VSYNCHSYNCREFSET

LBKLT_CRTLLBKLT_ENLCTLA_CLKLCTLB_DATALDDC_CLKLDDC_DATALVDD_ENLIBGLVBGLVREFHLVREFL

LACLKNLACLKPLBCLKNLBCLKP

LADATAN0LADATAN1LADATAN2LADATAN3

LBDATAP0LBDATAP1LBDATAP2LBDATAP3

LBDATAN0LBDATAN1LBDATAN2LBDATAN3

LADATAP0LADATAP1LADATAP2LADATAP3

EXP_COMPIEXP_ICOMPO

EXP_RXN0EXP_RXN1EXP_RXN2EXP_RXN3EXP_RXN4EXP_RXN5EXP_RXN6EXP_RXN7EXP_RXN8EXP_RXN9

EXP_RXN10EXP_RXN11EXP_RXN12EXP_RXN13EXP_RXN14EXP_RXN15

EXP_RXP0EXP_RXP1EXP_RXP2EXP_RXP3EXP_RXP4EXP_RXP5EXP_RXP6EXP_RXP7EXP_RXP8EXP_RXP9

EXP_RXP10EXP_RXP11EXP_RXP12EXP_RXP13EXP_RXP14EXP_RXP15

EXP_TXN0EXP_TXN1EXP_TXN2EXP_TXN3EXP_TXN4EXP_TXN5EXP_TXN6EXP_TXN7EXP_TXN8EXP_TXN9

EXP_TXN10EXP_TXN11EXP_TXN12EXP_TXN13EXP_TXN14EXP_TXN15

EXP_TXP0EXP_TXP1EXP_TXP2EXP_TXP3EXP_TXP4EXP_TXP5EXP_TXP6EXP_TXP7EXP_TXP8EXP_TXP9

EXP_TXP10EXP_TXP11EXP_TXP12EXP_TXP13EXP_TXP14EXP_TXP15

TP1

R38 10K12

R48 10K/X12

R55 2.2K/X12

TP16

R56 3312

R119 1K12

R49 0/X12

R37 1.5K12

R461 10K/X12

R735.6K

12

R79 150_1%12

R76255_1%

12

R36 10K12

R222.2K/X

12

R46 0/X12

Page 7: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

All VCCSM pinsshortsinternally.

Layout Note:VSSA_CRTDAC gnd fromGMCH to decoupling cap ground leadand then connect to the gnd plane

Layout Note:VSSA_CRTDAC Routecaps within 250mil of GMCH.Route FB within 3 inch ofGMCH

All VCCSM pinsshortsinternally.

Route VSSATVBG gnd from GMCHto Decoupling cap groundlead and then connect to thegnd plane

2~3 GND or Power pad NEED 1 Via

2~3 GND or Power pad NEED 1 Via

儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘儘PIN

1.0

ATIOSYS

Custom

7 21Saturday, April 18, 2009

GMCH

EPC900

Title

Size Document Number Rev

Date: Sheet of

V2.5_DDR_CAP6

V2.5_DDR_CAP1

VCCP_GMCH_CAP1

VCCP_GMCH_CAP4

V2.5_DDR_CAP5

VCCGFOLLOW

V2.5_DDR_CAP4

V2.5_DDR_CAP2

VCCP_GMCH_CAP2

V2.5_DDR_CAP3

VCCP_GMCH_CAP3

V1_5SFOLLOW

+V1.5S_DPLLA

+V2.5S_HV

+V1.5S_HMPLL

+V3.3S_TVDACA

+V1.5S_DPLLB

+V2.5S_SYNC

+V3.3S_ATVBG

+V2.5S

+V2.5S_ALVDS

+V1.5S_HPLL

+V1.5S_3GPLL

+V3.3S_TVDACC

+V2.5S_TXLVDS

+V2.5S

+V1.5S_QTVDAC

VCC1_05

+V2.5S

+V3.3S_TVDAC

+V1.5S

+V1.5S

VCC1_05

+V1.5S_MPLL

+V1.5S

+V3.3S_TVDACB

+V1.5S_PCIE

+V1.5S_DLVDS

+V1.5S_DDRDLL

+V2.5S_CRTDAC

+V2.5S_3GBG

+V1.5S_TVDAC

VCCP

+V1.5S

+V1.5S

+V2.5S

+V2.5S

+V1.5S

+V3.3S +V1.5S

+V1.5S

+V1.8S

+V2.5S

+V3.3S

+V5S

+V2.5S

+V1.5S_DPLLA +V1.5S_DPLLB

VCCP

C460

0.01uFFB23 30-L0603

FB1 30-L0603

POWER

U3E

915GM

T29R29N29M29K29J29V28U28T28R28P28N28M28L28K28J28H28G28V27U27T27R27P27N27M27L27K27J27H27K26H26K25J25K24K23K22K21

W20U20T20K20V19U19K19

W18V18T18K18K17

AC2AC1B23C35AA1AA2

F19E19G19

H20

K13J13K12

W11V11U11T11R11P11N11M11L11K11

W10V10U10T10R10P10N10M10K10J10Y9

W9U9R9P9N9M9L9J9N8M8N7M7N6M6A6N5M5N4M4N3M3N2M2B2V1N1M1G1

F17E17D18C18F18E18

H18G18

D19H17

B26B25A25

A35

B22B21A21

AM37AH37AP29AD28AD27AC27AP26AN26AM26AL26AK26AJ26AH26AG26AF26AE26AP25AN25AM25AL25AK25AJ25AH25AG25AF25AE25AE24AE23AE22AE21AE20AE19AE18AE17AE16AE15AE14AP13AN13AM13AL13AK13AJ13AH13AG13AF13AE13AP12AN12AM12AL12AK12AJ12AH12AG12AF12AE12AD11AC11AB11AB10AB9AP8AM1AE1

B28A28A27

AF20AP19AF19AF18

F37G37

Y29Y28Y27

AE37W37U37R37N37L37J37

VCC0VCC1VCC2VCC3VCC4VCC5VCC6VCC7VCC8VCC9VCC10VCC11VCC12VCC13VCC14VCC15VCC16VCC17VCC18VCC19VCC20VCC21VCC22VCC23VCC24VCC25VCC26VCC27VCC28VCC29VCC30VCC31VCC32VCC33VCC34VCC35VCC36VCC37VCC38VCC39VCC40VCC41VCC42VCC43VCC44VCC45VCC46VCC47VCC48

VCCH_MPLL1VCCH_MPLL0VCCA_DPLLAVCCA_DPLLBVCCA_HPLLVCCA_MPLL

VCCA_CRTDAC0VCCA_CRTDAC1VSSA_CRTDAC

VCC_SYNC

VTT0VTT1VTT2VTT3VTT4VTT5VTT6VTT7VTT8VTT9VTT10VTT11VTT12VTT13VTT14VTT15VTT16VTT17VTT18VTT19VTT20VTT21VTT22VTT23VTT24VTT25VTT26VTT27VTT28VTT29VTT30VTT31VTT32VTT33VTT34VTT35VTT36VTT37VTT38VTT39VTT40VTT41VTT42VTT43VTT44VTT45VTT46VTT47VTT48VTT49VTT50VTT51

VCCA_TVDACA0VCCA_TVDACA1VCCA_TVDACB0VCCA_TVDACB1VCCA_TVDACC0VCCA_TVDACC1

VCCA_TVBGVSSA_TVBG

VCCD_TVDACVCCDQ_TVDAC

VCCD_LVDS0VCCD_LVDS1VCCD_LVDS2

VCCA_LVDS

VCCHV0VCCHV1VCCHV2

VCCSM0VCCSM1VCCSM2VCCSM3VCCSM4VCCSM5VCCSM6VCCSM7VCCSM8VCCSM9

VCCSM10VCCSM11VCCSM12VCCSM13VCCSM14VCCSM15VCCSM16VCCSM17VCCSM18VCCSM19VCCSM20VCCSM21VCCSM22VCCSM23VCCSM24VCCSM25VCCSM26VCCSM27VCCSM28VCCSM29VCCSM30VCCSM31VCCSM32VCCSM33VCCSM34VCCSM35VCCSM36VCCSM37VCCSM38VCCSM39VCCSM40VCCSM41VCCSM42VCCSM43VCCSM44VCCSM45VCCSM46VCCSM47VCCSM48VCCSM49VCCSM50VCCSM51VCCSM52VCCSM53VCCSM54VCCSM55VCCSM56VCCSM57VCCSM58VCCSM59VCCSM60VCCSM61VCCSM62VCCSM63VCCSM64

VCCTX_LVDS0VCCTX_LVDS1VCCTX_LVDS2

VCCA_SM0VCCA_SM1VCCA_SM2VCCA_SM3

VCCA_3GBGVSSA_3GBG

VCCA_3GPLL0VCCA_3GPLL1VCCA_3GPLL2

VCC3G0VCC3G1VCC3G2VCC3G3VCC3G4VCC3G5VCC3G6

C62 0.1uF

C143

0.1uF

NPC3A

10UF/10V

C485

0.1uF

C45610uF/10V

C84

0.1uF

C142

0.1uF

C27 0.1uF

C34

0.1uF

C141 0.22uF

C7410uF/10V

C45010uF/10V

+ PC2

330u

F/6

.3V

-NC

C-S

MD

6/X

C120

0.47uF

FB14 30-L0603

C33

0.1uF

R26100_1%

C453

0.1uF

C9210uF/10V

C515

0.1uF

C486

0.01uF

C94

0.01uF

+ PC16

150uF/6.3V-B/X

C2410uF/10V

NPC1B

10UF/10V

C58

10uF/10V

R123 012

+ PC15

150uF/6.3V-B/X

+ PC1

150uF/6.3V-B/X

C467

0.1uF

+ PC8

330u

F/6

.3V

-NC

C-S

MD

6/XC78

1UF

C514

0.01uF

FB16 30-L0603

C491

0.1uF

C138 0.22uF

FB12 30-L0603

C3

10UF/10V

R230

12

R3310

12

+ PC3

150uF/6.3V-B/X

C455

0.1uF

+PC

5

330u

F/4

V-S

AN

YO

-D

C145 0.1uF

NPC1A

10UF/10V

FB2 30-L0603

R34

0

12

C513

0.1uF

FB10 30-L0603

C96

0.01uF

D1 BAT54C

13

2

R27100_1%

C157

0.1uF

D4

BAT54C

13

2

C26 0.1uF

+

PC

28

330u

F/2

.5V

-SA

NY

O-D

FB22 30-L0603

C36

10uF/10V

R29 012

R670

12

C481

0.1uF

C30

10UF/10V

C126 0.47uF

FB11 30-L0603

C496

0.1uF

C31

10UF/10V

C15310uF/10V

FB13 30-L0603

C492

0.1uF

C35

0.1uF

C139

0.01uF

C71

0.1uF

C476

0.1uF

FB9 30-L0603

C144 0.1uF

C112

0.1uF

R53 012

C32

10UF/10V

C151

0.1uF

C83

0.01uF

C9310uF/10V

C4590.1uF

C23

0.1uF

R450

12

C2810uF/10V

FB8 30-L0603

C113

0.01uF

FB15 30-L0603

R95 1012

C2510uF/10V

NPC3B

10UF/10V

C86

0.01uF

C471

0.01uF

C48410uF/10V

FB7 30-L0603

C477

0.1uF

Q6APL1581-ADJ / TO252

5

2

3

14

6

VIN

AD

J

VO

SENCTRL

TA

B

C13

10UF/10V

R90 012

C44910uF/10V

C154

10uF/10V

C7310uF/10V

C47510uF/10V

C125 0.1uF

C98

0.1uF

R43 012

C152

10uF/10V

C4

10uF/10V

C44810uF/10V

C147

0.01uF

C497

0.1uF

hexa

inf@

hotm

ail.co

m

Page 8: ASUS Eee PC 900 Schematic Diagrams

55

44

33

22

11

DD

CC

BB

AA

2~3 GND or Power pad NEED 1 Via

2~3 GND or Power pad NEED 1 Via

1.0

AT

IOS

YS

B

821

Saturday, A

pril 18, 2009

GM

CH

EP

C900

Title

Size

Docum

ent Num

berR

ev

Date:

Sheet

of

VC

CP

VC

C1_05

+V

1.8S

C506

10uF/10V

C519

0.1uF

C470

0.1uF

U3H

915GM

AB26AA26Y26AB25AA25Y25AB24AA24Y24AB23AA23Y23AB22AA22Y22AB21AA21Y21R21AB20AA20AB19AA19AB18AA18AB17AA17Y17R17AB16AA16Y16W16V16U16T16R16P16N16M16L16AB15AA15Y15W15V15U15T15R15P15N15M15L15AB14AA14Y14W14V14U14T14R14P14N14M14L14AA13Y13AA12Y12

W13V13U13T13R13P13N13M13L13W12V12U12T12R12P12N12M12L12

W26V26U26T26R26P26N26M26L26W25V25U25T25R25P25N25M25L25W24V24U24T24R24P24N24M24L24W23V23U23T23R23P23N23M23L23W22V22U22T22R22P22N22M22L22W21V21U21T21P21N21M21L21Y20R20P20N20M20L20Y19R19P19N19M19L19Y18R18P18N18M18L18W17V17U17T17P17N17M17L17

AD26AC26AD25AC25AD24AC24AD23AC23AD22AC22AD21AC21AD20AC20AD19AC19AD18AC18AD17AC17AD16AC16AD15AC15AD14AC14AD13AC13AB13AD12AC12AB12

VSS_NCTF0VSS_NCTF1VSS_NCTF2VSS_NCTF3VSS_NCTF4VSS_NCTF5VSS_NCTF6VSS_NCTF7VSS_NCTF8VSS_NCTF9VSS_NCTF10VSS_NCTF11VSS_NCTF12VSS_NCTF13VSS_NCTF14VSS_NCTF15VSS_NCTF16VSS_NCTF17VSS_NCTF18VSS_NCTF19VSS_NCTF20VSS_NCTF21VSS_NCTF22VSS_NCTF23VSS_NCTF24VSS_NCTF25VSS_NCTF26VSS_NCTF27VSS_NCTF28VSS_NCTF29VSS_NCTF30VSS_NCTF31VSS_NCTF32VSS_NCTF33VSS_NCTF34VSS_NCTF35VSS_NCTF36VSS_NCTF37VSS_NCTF38VSS_NCTF39VSS_NCTF40VSS_NCTF41VSS_NCTF42VSS_NCTF43VSS_NCTF44VSS_NCTF45VSS_NCTF46VSS_NCTF47VSS_NCTF48VSS_NCTF49VSS_NCTF50VSS_NCTF51VSS_NCTF52VSS_NCTF53VSS_NCTF54VSS_NCTF55VSS_NCTF56VSS_NCTF57VSS_NCTF58VSS_NCTF59VSS_NCTF60VSS_NCTF61VSS_NCTF62VSS_NCTF63VSS_NCTF64VSS_NCTF65VSS_NCTF66VSS_NCTF67VSS_NCTF68

VTT_NCTF0VTT_NCTF1VTT_NCTF2VTT_NCTF3VTT_NCTF4VTT_NCTF5VTT_NCTF6VTT_NCTF7VTT_NCTF8VTT_NCTF9VTT_NCTF10VTT_NCTF11VTT_NCTF12VTT_NCTF13VTT_NCTF14VTT_NCTF15VTT_NCTF16VTT_NCTF17

VCC_NCTF0VCC_NCTF1VCC_NCTF2VCC_NCTF3VCC_NCTF4VCC_NCTF5VCC_NCTF6VCC_NCTF7VCC_NCTF8VCC_NCTF9

VCC_NCTF10VCC_NCTF11VCC_NCTF12VCC_NCTF13VCC_NCTF14VCC_NCTF15VCC_NCTF16VCC_NCTF17VCC_NCTF18VCC_NCTF19VCC_NCTF20VCC_NCTF21VCC_NCTF22VCC_NCTF23VCC_NCTF24VCC_NCTF25VCC_NCTF26VCC_NCTF27VCC_NCTF28VCC_NCTF29VCC_NCTF30VCC_NCTF31VCC_NCTF32VCC_NCTF33VCC_NCTF34VCC_NCTF35VCC_NCTF36VCC_NCTF37VCC_NCTF38VCC_NCTF39VCC_NCTF40VCC_NCTF41VCC_NCTF42VCC_NCTF43VCC_NCTF44VCC_NCTF45VCC_NCTF46VCC_NCTF47VCC_NCTF48VCC_NCTF49VCC_NCTF50VCC_NCTF51VCC_NCTF52VCC_NCTF53VCC_NCTF54VCC_NCTF55VCC_NCTF56VCC_NCTF57VCC_NCTF58VCC_NCTF59VCC_NCTF60VCC_NCTF61VCC_NCTF62VCC_NCTF63VCC_NCTF64VCC_NCTF65VCC_NCTF66VCC_NCTF67VCC_NCTF68VCC_NCTF69VCC_NCTF70VCC_NCTF71VCC_NCTF72VCC_NCTF73VCC_NCTF74VCC_NCTF75VCC_NCTF76VCC_NCTF77VCC_NCTF78

VCCSM_NCTF0VCCSM_NCTF1VCCSM_NCTF2VCCSM_NCTF3VCCSM_NCTF4VCCSM_NCTF5VCCSM_NCTF6VCCSM_NCTF7VCCSM_NCTF8VCCSM_NCTF9

VCCSM_NCTF10VCCSM_NCTF11VCCSM_NCTF12VCCSM_NCTF13VCCSM_NCTF14VCCSM_NCTF15VCCSM_NCTF16VCCSM_NCTF17VCCSM_NCTF18VCCSM_NCTF19VCCSM_NCTF20VCCSM_NCTF21VCCSM_NCTF22VCCSM_NCTF23VCCSM_NCTF24VCCSM_NCTF25VCCSM_NCTF26VCCSM_NCTF27VCCSM_NCTF28VCCSM_NCTF29VCCSM_NCTF30VCCSM_NCTF31

C516

0.1uFC

45110uF

/10V

C507

10uF/10V

C469

10uF/10V

C472

0.1uFC

4620.1uF

C452

10uF/10V

C503

10uF/10V

VSS

U3F

915GM

AJ24AG24J24F24D24B24AF23H23AL22AH22J22E22D22A22AN21AF21F21C21AK20V20G20F20E20D20A20AN19AG19W19T19J19H19C19AL18U18B18A18AN17AJ17AF17G17C17AL16K16H16D16A16K15C15AN14AL14AJ14AG14K14J14F14B14A14J12D12B12AN11AL11AJ11AG11AF11AA11Y11H11F11AA10Y10L10D10AN9AH9AE9AC9AA9V9T9K9H9A9AL8Y8P8L8E8C8AN7AK7AG7AA7V7G7AJ6AE6AC6AA6T6P6L6J6B6AP5AL5W5E5AN4AF4Y4U4P4L4H4C4AJ3AC3AB3AA3C3A3AN2AL2AH2AE2AD2V2T2P2L2J2G2D2Y1

B36

AG37Y37V37T37P37M37K37H37E37AN36AL36AJ36AF36AE36AD36AC36AB36AA36C36AE35Y35W35V35U35T35R35P35N35M35L35K35J35H35G35F35E35D35B35AN34AH34AD34AC34AB34AA34C34AL33AF33AD33W33V33U33T33R33P33N33M33L33K33J33H33G33F33E33D33AN32AJ32AD32AC32AB32AA32Y32C32A32AL31AG31AD31W31V31U31T31R31P31N31M31L31K31J31H31G31F31E31D31AP30AE30AC30AB30AA30Y30C30AM29AJ29AG29AD29AA29W29V29U29P29L29H29G29F29E29D29A29AC28AB28AA28W28E28AN27AL27AJ27AG27AF27AB27AA27W27G27E27B27J26G26E26A26AN24AL24

VSS130VSS131VSS132VSS133VSS134VSS135VSS136VSS137VSS138VSS139VSS140VSS141VSS142VSS143VSS144VSS145VSS146VSS147VSS148VSS149VSS150VSS151VSS152VSS153VSS154VSS155VSS156VSS157VSS158VSS159VSS160VSS161VSS162VSS163VSS164VSS165VSS166VSS167VSS168VSS169VSS170VSS171VSS172VSS173VSS174VSS175VSS176VSS177VSS178VSS179VSS180VSS181VSS182VSS183VSS184VSS185VSS186VSS187VSS188VSS189VSS190VSS191VSS192VSS193VSS194VSS195VSS196VSS197VSS198VSS199VSS200VSS201VSS202VSS203VSS204VSS205VSS206VSS207VSS208VSS209VSS210VSS211VSS212VSS213VSS214VSS215VSS216VSS217VSS218VSS219VSS220VSS221VSS222VSS223VSS224VSS225VSS226VSS227VSS228VSS229VSS230VSS231VSS232VSS233VSS234VSS235VSS236VSS237VSS238VSS239VSS240VSS241VSS242VSS243VSS244VSS245VSS246VSS247VSS248VSS249VSS250VSS251VSS252VSS253VSS254VSS255VSS256VSS257VSS258VSS259VSS260VSS268VSS269VSS270VSS271

VSSALVDS

VSS0VSS1VSS2VSS3VSS4VSS5VSS6VSS7VSS8VSS9

VSS10VSS11VSS12VSS13VSS14VSS15VSS16VSS17VSS18VSS19VSS20VSS21VSS22VSS23VSS24VSS25VSS26VSS27VSS28VSS29VSS30VSS31VSS32VSS33VSS34VSS35VSS36VSS37VSS38VSS39VSS40VSS41VSS42VSS43VSS44VSS45VSS46VSS47VSS48VSS49VSS50VSS51VSS52VSS53VSS54VSS55VSS56VSS57VSS58VSS59VSS60VSS61VSS62VSS63VSS64VSS65VSS66VSS67VSS68VSS69VSS70VSS71VSS72VSS73VSS74VSS75VSS76VSS77VSS78VSS79VSS80VSS81VSS82VSS83VSS84VSS85VSS86VSS87VSS88VSS89VSS90VSS91VSS92VSS93VSS94VSS95VSS96VSS97VSS98VSS99

VSS100VSS101VSS102VSS103VSS104VSS105VSS106VSS107VSS108VSS109VSS110VSS111VSS112VSS113VSS114VSS115VSS116VSS117VSS118VSS119VSS120VSS121VSS122VSS123VSS124VSS125VSS126VSS127VSS128VSS129VSS261VSS262VSS263VSS264VSS265VSS266VSS267

C520

0.1uF

Page 9: ASUS Eee PC 900 Schematic Diagrams

8

8

7

7

6

6

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

DMI Connection NoteGMCH TX Pin Need Connect to ICH6 RX PinICH6 TX Pin Need Connect to GMCH RX Pin

connect toGMCH DMI

to PCI Bus

915G_GV_P_910GLDGU_rev1_21.pdf

P.89 PLTRST#

For BIOS Decode

PLTRST#: platform reset, connect to LPC SIO

1.0

ATIOSYS

B

9 21Saturday, April 18, 2009

ICH6

EPC900

Title

Size Document Number Rev

Date: Sheet of

DMI_RXP1

DMI_RXP2

DMI_RXP0

DMI_TXP0

DMI_TXN1

DMI_RXN2

DMI_TXP2

DMI_RXN1

DMI_RXN0

DMI_TXP1

DMI_TXN0

DMI_TXN2

DMI_RXN3DMI_RXP3DMI_TXN3DMI_TXP3

CLK_PCIE_ICH#CLK_PCIE_ICH

USB_PP4

USB_PP5

USB_PN4

USB_PN0

USB_PN5

USB_PN2USB_PP1USB_PN1

USB_PP3

USB_PP0

USB_PP2USB_PN3

CLK_USB48

INT_PIRQD#

INT_PIRQH#

INT_PIRQB#

PCIE_OP1

PCIE_IN1PCIE_IP1

PCIE_IN2PCIE_IP2

USB_OC0#

USB_OC2#

INT_PIRQA#INT_PIRQC#

INT_PIRQE#

INT_PIRQB#

PCI_FRAME#

PCI_PAR

INT_PIRQD#

PCI_GNT2#

INT_PIRQH#

PCI_REQ6#

PCI_STOP#PCI_SERR#

INT_PIRQF#

PCI_REQ1#

PCI_PERR#

PCI_GNT3#

PCI_REQ4#

PCI_RST#

PCI_IRDY#PCI_PME#

INT_PIRQA#

PCI_REQ3#

PCI_TRDY#

PCI_REQ5#

PCI_DEVSEL#

PCI_LOCK#

PCI_REQ0#

INT_PIRQG#

PCI_GNT1#

INT_PIRQE#

GPIO16

CLK_ICHPCI

PCI_REQ2#

INT_PIRQC#

PCI_GNT0#

USB_OC1#

SMBCLKSMB_DATA-SSMBDATA

PCIE_OP2PCIE_ON2

PCI_GNT1#PCI_GNT0#

PCIE_ON1

SMB_CLK-S

PCI_RST#

PCI_GNT4#PCI_GNT5#

PCI_GNT4#PCI_GNT3#PCI_GNT2#

GPIO16PCI_GNT5#

PCI_PME#

PCI_DEVSEL#

PCI_FRAME#

PCI_IRDY#

PCI_LOCK#

PCI_PAR

PCI_PERR#

PCI_REQ0#

PCI_REQ1#

PCI_REQ2#

PCI_REQ3#

PCI_REQ4#

PCI_SERR#

PCI_STOP#PCI_TRDY#

USB_PP6USB_PN6

USB_PN7USB_PP7

PCI_REQ6#PCI_REQ5#

INT_PIRQF#INT_PIRQG#

USB_OC0# 14

USB_OC1# 14

USB_OC2# 14

USB_PN0 14USB_PP0 14USB_PN1 14USB_PP1 14USB_PN2 14USB_PP2 14USB_PN3 20USB_PP3 20USB_PN4 14USB_PP4 14USB_PN5 14,20USB_PP5 14,20

DMI_TXN06

DMI_TXN16

DMI_TXN26

DMI_TXN36

DMI_TXP06

DMI_TXP16

DMI_TXP26

DMI_TXP36

DMI_RXN06

DMI_RXN16

DMI_RXN26

DMI_RXN36

DMI_RXP06

DMI_RXP16

DMI_RXP26

DMI_RXP36

CLK_USB48 3

CLK_PCIE_ICH#3CLK_PCIE_ICH3

PCIE_IN113

PCIE_IN2

PCIE_IP113

PCIE_IP2

PCIE_ON113PCIE_OP113

CLK_ICHPCI3

PLT_RST#6

SMBDATA 12,13

SMBCLK12,13SMB_CLK-S3,10 SMB_DATA-S 3,10

PCIE_ON2PCIE_OP2

PLTRST# 3,13,15,18,21

-IDERST 14

PCIE_OP32PCIE_ON32

PCIE_IN32PCIE_IP32

USB_PP6 14,20USB_PN6 14,20

USB_PP7 2USB_PN7 2

PCIE_15V_ICH

+V3.3S

+V5S

+V5S

VCC3DUALVCC3DUAL

+V3.3S

VCC3DUAL

C316

10pF/X

U41C 74LVC1465

C208 0.1uF

R332 1K/X1 2

R404 0

C207 0.1uF

R486 10K

R385 01 2

RN24 8.2KX4

1 23 45 67 8

RN18 2.7KX4

12345678

RN17 2.7KX4

1 23 45 67 8

U41A

74LVC14

714

21

RN23 2.7KX4

1 23 45 67 8

C204 0.1uF

U27

74CBT3306

1234 5

678OE1#

1A1BGND 2A

2BOE2#VCC

RN19 2.7KX4

1 23 45 67 8

R382 10K

RN22 8.2KX4

1 23 45 67 8

C203 0.1uF

C599

0.1uF

C315

10pF/X

R323 8.2K/X1 2R338 8.2K/X1 2

C206 0.1uF

R309 8.2K/X1 2

R396 0

C323 0.1uF/X

R343 8.2K/X1 2

R384 10K1 2

R397 10K

U16A

ICH6M

E1C3G6R2R5A3P6G5J1C5J2E3J3

C1B6F1C8E7F6D8

L5B5M5B8F7E8B7

N2L2M1L3D9C7C6M3

E2E5C2F5F3E9F2D6E6D3A2D2D5H3B4J5K2K5D4L6G3H4H2H5B3M6B2K6K3A5L1K4

G2G4H6J6

PARDEVSEL#PCICLKPCIRST#PLTRST#IRDY#PME#SERR#STOP#PLOCK#TRDY#PERR#FRAME#

GNT_0#GNT_1#GNT_2#GNT_3#GNT_4#_GPIO48GNT_5#_GPIO17GNT_6#_GPIO16

REQ_0#REQ_1#REQ_2#REQ_3#REQ_4#_GPIO40REQ_5#_GPIO1REQ_6#_GPIO0

PIRQA#PIRQB#PIRQC#PIRQD#PIRQE#_GPIO2PIRQF#_GPIO3PIRQG#_GPIO4PIRQH#_GPIO5

AD_0AD_1AD_2AD_3AD_4AD_5AD_6AD_7AD_8AD_9

AD_10AD_11AD_12AD_13AD_14AD_15AD_16AD_17AD_18AD_19AD_20AD_21AD_22AD_23AD_24AD_25AD_26AD_27AD_28AD_29AD_30AD_31

C_BE_3 #C_BE_ 2#C_BE_ 1#C_BE_ 0#

R487 24.9_1%

R360 01 2

C205 0.1uF

R227 22.6_1%

U16B

ICH6M

T25T24R27R26V25V24U27U26Y25Y24

W27W26

AB24AB23AA27AA26

H25H24G27G26K25K24J27J26

M25M24L27L26P24P23N27N26

F24F23

AD25AC25

C21D21A20B20D19C19A18B18E17D17B16A16C15D15A14B14

C27B27B26C26C23D23C25C24

B22A22

A27

DMI_0RXNDMI_0RXPDMI_0TXNDMI_0TXPDMI_1RXNDMI_1RXPDMI_1TXNDMI_1TXPDMI_2RXNDMI_2RXPDMI_2TXNDMI_2TXPDMI_3RXNDMI_3RXPDMI_3TXNDMI_3TXP

PERn1PERp1PETn1PETp1PERn2PERp2PETn2PETp2PERn3PERp3PETn3PETp3PERn4PERp4PETn4PETp4

DMI_ZCOMPDMI_IRCOMP

DMI_CLKNDMI_CLKP

USBP_0NUSBP_0PUSBP_1NUSBP_1PUSBP_2NUSBP_2PUSBP_3NUSBP_3PUSBP_4NUSBP_4PUSBP_5NUSBP_5PUSBP_6NUSBP_6PUSBP_7NUSBP_7P

OC_0#OC_1#OC_2#OC_3#

OC_4#_GPIO9OC_5#_GPIO10OC_6#_GPIO14OC_7#_GPIO15

USBRBIASUSBRBIAS#

CLK48

R290 8.2K/X1 2

U41B 74LVC1443

R315 8.2K/X1 2

hexa

inf@

hotm

ail.co

m

Page 10: ASUS Eee PC 900 Schematic Diagrams

8

8

7

7

6

6

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

82562EZ=INSTALL

INTVRMEN Internal Voltage RegulaorEnable: This signal enables theinternal 1.5V Suspend regulator whenconnected to VccRTC. When connected toVss, the internal regulator isdisabled.

FROM LPC_IO

TO ICH

CMOS

Clear CMOS2-3

Normal

Default = 1-2

1-2

915GM=680 915GV=1K

P.D RESISTOR FOR

Enable VCC2_5 INT VR

1.0

ATIOSYS

Custom

10 21Saturday, April 18, 2009

ICH6

EPC900

Title

Size Document Number Rev

Date: Sheet of

H_PWRGD

-SLP_BTNPM_BMBUSY#

PM_STPCPU#FWH_WP#

GPIO27

SMB_ALERT#

PM_CLKRUN#

GPO23

GPIO33

FWH_TBL#

LPC_PME#

GPIO34

GPIO24

PM_STPPCI#

VRMPWRGD

PM_RI#

PM_SYSRST#

-BATLOW

-SUSTAT

-LAN_RST

LPC_DRQ#1

LPC_FRAME#LPC_DRQ#0

LPC_AD0LPC_AD1

H_SMI#

KBRST#INT_SERIRQ

H_A20GATEH_A20M#H_CPUSLP#

-FERR

H_STPCLK#

H_IGNNE#

H_INIT#H_INTR

H_NMI

FWH_INIT#

LPC_AD3LPC_AD2

H_DPSLP#

GPIO28

SUS_CLK

ACZ_SDIN1ACZ_SDIN2

INTVRMEN

IDE_PIORDY

IDE_PDCS1#

IDE_PDD11

IDE_PDDACK#

IDE_PDD8

SATA_LED

IDE_PDD13IDE_PDD14

IDE_PDA0

IDE_PDD3

IDE_PDIOW#IDE_PDIOR#

IDE_PDA1

IDE_PDD1

IDE_PDD4

IDE_PDDREQ

SMB_CLK-S

IDE_PDD12

IDE_PDD7

IDE_PDD5

IDEIRQ

IDE_PDD15

AC_SPKR

IDE_PDD6

SMB_DATA-S

LINK_ALT

IDE_PDD0

-RTCRST

IDE_PDD10

IDE_PDCS3#SMLINK0

IDE_PDD9

IDE_PDD2

IDE_PDD[15..0]

IDE_PDA2

SMLINK1

ICH_EECS

ICH_EEDOICH_EESK

ICH_EEDI

ICH_EESKICH_EECS

ICH_EEDOICH_EEDI

PM_THRMTRIP#

PM_PWRBTN#-ICHSYNC

PM_SLP_S3#

ICH6-PWROK

RSTIN

PM_SYSRST#

RSTIN

ICH6-PWROK

ICH6-PWROK

DELAY_VR_PGD

VRMPWRGD

DELAY_VR_PGD

PWROK_LPC

ICH6-PWROK

IMVP_PGOOD

IMVP_PGOOD

PM_RSMRST#

-RTCRST

INTVRMEN

PM_SYSRST#

-SUSTAT

-BATLOW

PCIE_WAKE#

SMB_DATA-S

PM_RI#

SMB_ALERT#

SMB_CLK-S

GPI8

GPI12

GPIO25

LPC_PME#

GPIO27

GPIO33

GPIO34

GPIO25

GPO23

PM_THRM#

-SLP_BTN

PM_CLKRUN#

INT_SERIRQ

PM_RSMRST#

SMLINK0LINK_ALTSMLINK1

-LAN_RST

H_A20GATE

PM_BMBUSY#

GPI12

H_PWRGD

KBRST#LPC_DRQ#1

GPIO24

GPI8

GPIO27

GPIO28

LPC_AD0 3,15,18LPC_AD1 3,15,18LPC_AD2 3,15,18LPC_AD3 3,15,18

LPC_FRAME# 3,15,18

PM_THRM#15

KBRST# 15INT_SERIRQ 15,18

LPC_PME#15

PCIE_WAKE#2,13

PM_BMBUSY#6

H_PWRGD1

PSOUT#15

PM_SLP_S3#15

H_DPSLP# 1

PM_THRMTRIP# 1,6

FWH_TBL#3

FWH_WP#3

PM_STPPCI#3

PM_STPCPU#3,4

CLK_ICH14 3

LPC_DRQ#0 15

ACZ_BCLK 16ACZ_RST# 16ACZ_SDIN0 16

ACZ_SDOUT 16ACZ_SYNC 16

H_A20M# 1H_CPUSLP# 1,5

H_DPRSTP# 1PM_DPRSLPVR 4

H_IGNNE# 1

H_INIT# 1H_INTR 1

H_FERR# 1H_NMI 1

FWH_INIT# 3

H_SMI# 1H_STPCLK# 1

LPC_DRQ#1

PM_RI#16

IDE_PDCS1#14

SATARXN0 14

SPKR 15,16

SATATXP0 14

SMB_DATA-S 3,9IDE_PDA114

IDE_PDIOR#14

IDEIRQ14

SATATXN0 14

CLK_PCIE_SATA 3CLK_PCIE_SATA# 3

IDE_PDCS3#14

IDE_PIORDY14

SATA_LED 14

IDE_PDA014

IDE_PDDREQ14

SATARXP0 14

IDE_PDIOW#14

IDE_PDD[15..0]14

IDE_PDA214

SMB_CLK-S 3,9

IDE_PDDACK#14

ICH_RSTSYNC 13ICH_CLK 13

ICH_RXD2 13ICH_TXD0 13

ICH_RXD1 13

ICH_TXD2 13ICH_TXD1 13

ICH_RXD0 13

LAN1_DIS#13

A20GATE 15

SUSCLKIN

AC_SPKR 15,16

VRMPWRGD4

RSTIN14,20

WDTO_SIO15

DELAY_VR_PWRGOOD 6

ICH6-PWROK

PWROK_LPC15

IMVP_PGOOD4

VRMPWRGD 4

SIO_RSMRST# 13,15

SATARXN1 14

SATATXN1 14SATATXP1 14

SATARXP1 14

LAN2_DIS#

P66DETECT14

-LAN_RST13

VCCPVCCP RTCVDD

+V3.3S

VCC3DUAL

+V3.3S +V3.3S

+V5S +V3.3SB

+V3.3SB+V3.3SB

+V3.3SB

+V3.3S

+V3.3S

BAT3V

VCC3DUAL

RTCVDDBATERY

+V3.3S

VCC3DUAL

+V3.3S

+V5S

+V3.3S

+V3.3S

VCC3DUAL

+V3.3SB

R245 100_1%12

R269 3312

U35B74HC132DR/X

4

56

14

7

R383 2.2K12

R34010K

TP39

C5221uF

U16D

ICH6M

P4P2N3N5N4N6P3

C10A10F11F10B10C9B9E10

D12F13D11B12

F12B11E12E11C13C12C11E13

AF22AF23AE27AE20AE24AD27AG26AE22AF27AG24AF24AF25AD23AB20AG27AE26AE23

AD19AE19

R1W6M2R6

AC21AB21AD22AD20AD21

V3P5R3T3

AF19AF20AC18AG25

AG21U1T2T4T5T6

W3V6U2V5V2U3

AF21AC20

U5AA1

LDRQ_1/GPIO41LAD_0/FB0LAD_1/FB1LAD_2/FB2LAD_3/FB3

LDRQ_0#LFRAME#

ACZ_BIT_CLKACZ_RST#

ACZ_SDIN_0ACZ_SDIN_1ACZ_SDIN_2ACZ_SDOUT

ACZ_SYNCCLK14

EE_CSEE_DIN

EE_DOUTEE_SHCLK

LAN_CLKLAN_RSTSYNC

LAN_RXD_0LAN_RXD_1LAN_RXD_2LAN_TXD_0LAN_TXD_1LAN_TXD_2

A20GATEA20M#

CPUSLP#DPRSLPVR/TP_1

DPRSLP#/TP_4DPSLP#/TP_2

IGNNE#INIT3_3V#

INIT#INTR

FERR#NMI

RCIN#SERIRQ

SMI#STPCLK#

THRMTRIP#

GPI6GPI7GPI8SMBALERT#/GPI11GPI12GPI13STP_PCI#/GPO18GPO19STP_CPU#/GPO20GPO21GPO23GPIO24GPIO25GPIO27GPIO28CLKRUN#/GPIO32GPIO33GPIO34CPUPWRGD/GPO49

MCH_SYNC#PWRBTN#RI#SLP_S3#SLP_S4#SLP_S5#SUS_STAT*/LPCPD#SUSCLKSYS_RESET#LAN_RST#BATLOW#/TP_0TP_3VRMPWRGDTHRM#WAKE#PWROK

R214 8.2K/X12

C521 0.1uF

R513 01 2

R231 01 2

R468 47K

R4834.7K/X

R36501 2

R492 8.2K12

TP30

C1661uF

RN25 8.2KX41 23 45 67 8

R225 5612

TP32

R361 0/X1 2

R229 01 2

R310 3312

R324 1K 1%

BC350.1uF

C3060.1uF

R136 33/X

U39

TPS3823-33

1

3

5

4

2

RST#

MR#

VDD

WDI#

GND

U16C

ICH6M

AD13AG15AE15AC13AB13AB12AF13AE13AB11AD11AC11AE14AD12AF14AF15AD14

AB15AB14AE16AC14AF16

AC16AB17AC17

AD16AE17

AB16

AE3AD3AG2AF2AC5AD5AF4AG4AD7AC7AF6AG6AC9AD9AF8AG8

AC2AC1

AG11AF11

Y4W5

Y5W4U6

AC19AF17AE18AF18AG18AA3

Y3

Y1Y2

AA2AA5

F8

DD_15DD_14DD_13DD_12DD_11DD_10DD_9DD_8DD_7DD_6DD_5DD_4DD_3DD_2DD_1DD_0

DDACK#DDREQDIOR#DIOW#IORDY

DA0DA1DA2

DCS1#DCS3#

IDEIRQ

SATA_0RXNSATA_0RXPSATA_0TXNSATA_0TXPSATA_1RXNSATA_1RXPSATA_1TXNSATA_1TXPSATA_2RXNSATA_2RXPSATA_2TXNSATA_2TXPSATA_3RXNSATA_3RXPSATA_3TXNSATA_3TXP

SATA_CLKNSATA_CLKP

SATARBIAS#SATARBIAS

SMBCLKSMBDATA

LINKALERT#SMLINK_0SMLINK_1

SATALED#SATA_0GP/GPIO26SATA_1GP/GPIO29SATA_2GP/GPIO30SATA_3GP/GPIO31

INTRUDER#

RSMRST#

RTCX1RTCX2

RTCRST#INTVRMEN

SPKR

C1650.1uF

R351 200K

R146 33/X

R242 8.2K/X12

R369 012

R291 3312

R493 8.2K/X12

BC450.1uF

R292 24.9_1%12

C304 10uF/10V

R463 100/X

R401 1K/X12

C588

33pF/X

RN37 8.2KX41 23 45 67 8

R368 10K12

R4641K 1%

R240 100_1%12

TP27

R362 8.2K/X12

R46647K

R357 1M12

R467 10K

TP35

U34B74LVC14

3 4

14

C234 1000pF

BAT54CD25

23

1

C564

0.1uF

C5241uF/X

R465 33

C5231uF/X

R462 10K1 2

R347 8.2K/X12

C3051uF

R364 1K12

32.768KHzY41 4

2 3

TP19

R226

75_1%

12

R142 33R235 8.2K/X12

U33TPS3823-33

1

3

5

4

2

RST#

MR#

VDD

WDI#

GND

TP26

RN21 8.2KX41 23 45 67 8

TP20

TP29

U37

DS2401-TSOC/X

123 4

56GND

DATANC1 NC2

NC3NC4

R213 5612

RN35 8.2KX41 23 45 67 8

Q582N3904/XB

EC

R137 33

R224 5612

R247 100_1%12

R239 8.2K/X12

R284 3312

CMOS

HEADER 1X3_2.54mm

123

R234 10K12

U35A74HC132DR/X

1

23

14

7

U34A74LVC14

1 21

4

R386 8.2K/X12

U37A DS2401-SOT223/X

2

31 4

R356 10M12

R367 2.2K12

R499 4.7K12

R3668.2K12

R216

56

12

R546 0

U20 93C461234

8765

CSSKDIDO

VCCNCNC

GND

R400 1K12

R354 390K12

R141 33/X

BC460.1uF

TP28

C314

10pF

R36301 2

R230 8.2K/X12

TP31

C31010uF/10V/X

RN20 8.2KX41 23 45 67 8

BT1CR2032_SMD

TP36

R248 100_1%12

R506 33/X

C317

10pF

Page 11: ASUS Eee PC 900 Schematic Diagrams

8

8

7

7

6

6

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

1.175X(1+R1UP/R2DOWN)

0.47uH/1.A

100mA

300mA

300mA

RS

RS

RS

1.0

ATIOSYS

Custom

11 21Saturday, April 18, 2009

ICH6-PWR GND

EPC900

Title

Size Document Number Rev

Date: Sheet of

ICH6VREF

+V1.5S

VCCP

PCIE_15V_ICH

+V1.5S

VCC25_ICH

VCC3DUAL

VCC3DUAL

+V1.5S

+V1.5S

+V1.5S

+V1.5S

+V1.5A_ICHBAT3V

+V5S

+V3.3S+V3.3S

+V3.3S

+V3.3SVCC3DUAL

VCC25_ICH+V3.3S+V3.3S

+V1.5A_ICH

VCC5DUAL

C568

0.1uF

D19 1N41481 3

C540

0.1uF

R348 10 12

C558

0.1uF

R258 10K_1%

U15

RT9179PB/SOT23-5/X

1

2

3

4

5IN

GND

EN

ADJ

OUT

R254 10K_1%

C563

0.1uF

C201

10uF/10V

C541

0.1uF

C596

1uF

C554

0.1uF

FB68 FB_1A

C548

0.1uF

C531

0.1uF

C24710uF/10V

R25028.8K_1%/X

C54310uF/10V

C549

0.1uF

U16E

ICH6M

A8AA18

AB18P7

F21

E26

E27

AG10

A24

AC27

AE1

A25

AA22AA23AA24AA25AB25AB26AB27

F25F26F27G22G23G24G25H21H22J21J22K21K22L21L22M21M22N21N22N23N24N25P21P25P26P27R21R22T21T22U21U22V21V22W21W22Y21Y22

AA6AB4AB5AB6AC4AD4AE4AE5AG5AF5AA7AA8AA9AB8AC8AD8AE8AE9AF9AG9

G10G11

AA19AA20AA21L11L12L14L16L17M11M17P11P17T11T17U11U12U14U16U17G8D24D25D26D27E20E21E22E23E24F9F20G20

AB22AD26AG23

A13F14G13G14

AA10AA12AA14AA15AA17AC15AD17

AG13AG16AG19A6B1E4H1H7J7L4L7M7P1

A11

U4V1V7W2Y7A17B17C16C17D16E16F15F16F18G15G16G17G18

AB3

R7U7G19

V5REF_1V5REF_2

VCC2_5VCC2_5

V5REF_SUS

VCC3

GND

VCC3

VCCSUS3_3

VCCDMIPLL

VCCSATAPLL

VCCUSBPLL

VCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_B VCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_BVCC1_5_B

VCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_A

VCCLAN1_5/VCCSUS1_5_1VCCLAN1_5/VCCSUS1_5_2

VCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_AVCC1_5_A

V_CPU_IO_1V_CPU_IO_2V_CPU_IO_3

VCCLAN3_3/VCCSUS3_3VCCLAN3_3/VCCSUS3_3VCCLAN3_3/VCCSUS3_3VCCLAN3_3/VCCSUS3_3

VCC3VCC3VCC3VCC3VCC3VCC3VCC3

VCC3VCC3VCC3VCC3VCC3VCC3VCC3VCC3VCC3VCC3VCC3VCC3VCC3

VCCSUS3_3

VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3VCCSUS3_3

VCCRTC

VCCSUS1_5_AVCCSUS1_5_BVCCSUS1_5_C

C562

0.1uF

C57710uF/10V

R262115K_1%/X

C583

0.1uF

C546

1uF

C602

1uF

C529

0.1uF

C572

0.1uF

C23710uF/10V

C551

0.1uF

C538

0.01uF

C542

0.1uF

C575

0.1uF

R257100K/X

U17

RT9179PB/SOT23-5/X

1

2

3

4

5IN

GND

EN

ADJ

OUT

C570

0.1uF

C547

0.1uF

C601

0.1uF

R253100K/X

C557

0.1uF

D22 1N4148/X1 3

C5920.1uF

C571

0.1uF

C5790.1uF

C218

10uF/10V

C589

0.1uF

C565

0.1uF

C530

0.1uF

C545

0.1uF

C532

0.1uF

D24 1N41481 3

C2591uF

C591

0.1uF

C566

0.1uF

C53410uF/10V

C581

0.1uF

U16F

ICH6M

A1A12A15A19A21A23A26

A4A7A9

AA11AA13AA16

AA4AB1

AB10AB19

AB2AB7AB9

AC10AC12AC22AC23AC24AC26

AC3AC6AD1

AD10AD15AD18

AD2AD24

AD6AE10AE11AE12

AE2AE21AE25

AE6AE7AF1

AF12AF26

AF3AF7AG1

AG12AG14AG17AG20AG22

AG3AG7B13B15B19B21B23B25C14C18C20C22

C4D1

D10D13D14D18D20D22

D7E14E15E18E19E25F17F19F22

F4G1

G12

G21G7G9H23H26H27J23J24J25J4K1K23K26K27K7L13L15L23L24L25M12M13M14M15M16M23M26M27M4N1N11N12N13N14N15N16N17N7P12P13P14P15P16P22R11R12R13R14R15R16R17R23R24R25R4T1T12T13T14T15T16T23T26T27T7U13U15U23U24U25V23V26V27V4W1W23W25W7Y23Y26Y27Y6AF10B24W24

VSS1VSS2VSS3VSS4VSS5VSS6VSS7VSS8VSS9VSS10VSS11VSS12VSS13VSS14VSS15VSS16VSS17VSS18VSS19VSS20VSS21VSS22VSS23VSS24VSS25VSS26VSS27VSS28VSS29VSS30VSS31VSS32VSS33VSS34VSS35VSS36VSS37VSS38VSS39VSS40VSS41VSS42VSS43VSS44VSS45VSS46VSS47VSS48VSS49VSS50VSS51VSS52VSS53VSS54VSS55VSS56VSS57VSS58VSS59VSS60VSS61VSS62VSS63VSS64VSS65VSS66VSS67VSS68VSS69VSS70VSS71VSS72VSS73VSS74VSS75VSS76VSS77VSS78VSS79VSS80VSS81VSS82VSS83VSS84VSS85VSS86

VSS87VSS88VSS89VSS90VSS91VSS92VSS93VSS94VSS95VSS96VSS97VSS98VSS99

VSS100VSS101VSS102VSS103VSS104VSS105VSS106VSS107VSS108VSS109VSS110VSS111VSS112VSS113VSS114VSS115VSS116VSS117VSS118VSS119VSS120VSS121VSS122VSS123VSS124VSS125VSS126VSS127VSS128VSS129VSS130VSS131VSS132VSS133VSS134VSS135VSS136VSS137VSS138VSS139VSS140VSS141VSS142VSS143VSS144VSS145VSS146VSS147VSS148VSS149VSS150VSS151VSS152VSS153VSS154VSS155VSS156VSS157VSS158VSS159VSS160VSS161VSS162VSS163VSS164VSS165VSS166VSS167VSS168VSS169VSS170VSS171

C209

0.1uF

C582

0.1uF

C539

0.1uF

C2391uF

FB25 FB_1A

C556

0.1uF

C228

0.1uF

C585

0.1uF

C584

0.1uF

C555

0.1uF

C5530.1uF

R210 10 12

hexa

inf@

hotm

ail.co

m

Page 12: ASUS Eee PC 900 Schematic Diagrams

AA

BB

CC

DD

EE

44

33

22

11

PLACE NEAR DIMM2

ONE CAP FOR

EVERY PULLUP RES

TO +0.9V

PLACE NEAR DIMM2

ONE CAP FOR

EVERY PULLUP RES

TO +0.9V

DIM

M-1

0.8V(1+R1/R2)

VX

1.0

AT

IOS

YS

B

1221

Saturday, A

pril 18, 2009

DD

R2

EP

C900

Title

Size

Docum

ent Num

berR

ev

Date:

Sheet

of

CK

EA

1

MDA26

MDA47

SB

AA

2

MDA25

SM

BD

AT

A

MA

AA

11

MDA51

DMA3

MDA44DMA4

MDA11

-SCASA

MDA39

MDA13

MA

AA

13

MODT1

SB

AA

1

-DQSA0M

OD

T0

DQSA2

MDA62

MDA53

MDA17

MDA43

MDA29

MDA46

MO

DT

[0..3]

MDA8

MA

AA

0

DMA1

MDA54

-SR

AS

A

DMA5

MDA15

MDA57

MDA28

MDA33

MDA59

MDA0

MDA18

-DQSA6

MDA14

MA

AA

3

-CS

A1

DQSA6

SB

AA

0

DQSA3

MDA60

-SW

EA

MDA49

MA

AA

1

MDA4

MDA34

MDA19

SM

BC

LK-CS

A0

MDA61

CK

EA

0

DMA0

MDA56

MDA3

MDA30

DMA6

MDA16

MDA58

MDA38

MDA1

DQSA0MDA48

-DQSA7

MODT0

DQSA7MDA55

MDA6

MDA37

-DQSA1

MDA23

MA

AA

12

-DQ

SA

[0..7]MDA45

MA

AA

10

MDA5

MDA20MDA21

MDA40

MA

AA

7

DMA7

MDA7

MDA9

MDA35

DM

A[0..7]

MO

DT

1

MDA41

-SRASA

MDA22

MA

AA

8

DQSA5MDA52

MDA27

-DQSA5

DQSA1

MDA32

MDA2

MA

AA

4

MDA10

MDA12

MDA36

SBAA2

MDA42

MA

AA

2

MDA24

DMA2

DQ

SA

[0..7]

MA

AA

5

DQSA4

MDA63

MDA50

-DQSA3-DQSA2

-DQSA4

MDA31-SWEA

MO

DT

0M

OD

T1

-SC

AS

A

MA

AA

9

MAAA0

MA

AA

6

MAAA4

MAAA13

MAAA11MAAA10

MAAA12

MAAA8MAAA9

MAAA5MAAA6MAAA7

MAAA3MAAA2MAAA1

M_V

RE

F_M

CH

DC

LKA

16

PM

_EX

TT

S#0

6

-DC

LKA

16

SB

AA

05

SB

AA

15

MO

DT

[0..3]6

-DQ

SA

[0..7]5

-SR

AS

A5

DC

LKA

06

SM

BD

AT

A9,13

CK

EA

16

MA

AA

[0..13]5

SM

BC

LK9,13

SB

AA

25

CK

EA

06

DQ

SA

[0..7]5

-CS

A1

6

-SC

AS

A5

DM

A[0..7]

5-C

SA

06

MD

A[0..63]

5

-SW

EA

5

-DC

LKA

06

MO

DT

06

MO

DT

16

M_V

RE

F_M

CH

6

+V

3.3S+

V0.9S

+V

1.8S

+V

0.9S

+V

1.8S

+V

1.8S

+V

0.9S

+V

0.9S

+V

1.8S

+V

1.8S

VD

IMM

+V

1.8S

VC

C5D

UA

L

VC

C5D

UA

L

+V

1.8S

VC

C5D

UA

L

VC

C3D

UA

L

+V

5S

+V

5SB

+V

1.8S

+V

0.9S+

V0.9S

+V

3.3S

VC

C5D

UA

LV

CC

5DU

AL

C103

10uF/10V

BC

160.1uF

1uF C110

R130

100_1%

RN

556X

4

1 3 5 7

2 4 6 8

R145

10K

1uFC

95

BC

110.1uF

BC

230.1uF

D11

S10S

40 TO

2522

13

BC

80.1uF

RN

756X

4

1 3 5 7

2 4 6 8

BC

170.1uF

Q30

2N7002A

1

32

RN

856X

4

1 3 5 7

2 4 6 8

Q35

2N3904

1

2 3

R162

10K12

BC

240.1uF

1000pF

C163

RN

456X

4

1 3 5 7

2 4 6 8

+P

C13

560uF/2.5V-NCC-SMD6/X

1uFC

109

L9A4.7U

H/S

DR

124

BC

70.1uF

BC

20.1uF

RN

256X

41357

2468

R100

1K

RN

656X

4

1 3 5 7

2 4 6 8

R195

10K

12

BC

250.1uF

BC

150.1uF

+P

C22

330uF/6.3V

-NC

C-S

MD

6

12

R97

1K

1uFC

123

1uFC

97

DIM

M1B

TY

CO

C-1734075 S

TA

ND

TY

PE

DD

R2 S

O-D

IMM

112111117969511881828710388104

199

831205069163

1

201202

471331837712481847871721211221961938

182441534254596560661271391281451651711721771871781909213315534132144156168231527391491612840138150162

VDD1VDD2VDD3VDD4VDD5VDD6VDD7VDD8VDD9

VDD10VDD11VDD12

VDDSPD

NC1NC2NC3NC4

NCTEST

VREF

GND0GND1

VSS1VSS2VSS3VSS4VSS5VSS6VSS7VSS8VSS9

VSS10VSS11VSS12VSS13VSS14VSS15

VSS16VSS17VSS18VSS19VSS20VSS21VSS22VSS23VSS24VSS25VSS26VSS27VSS28VSS29VSS30VSS31VSS32VSS33VSS34VSS35VSS36VSS37VSS38VSS39VSS40VSS41VSS42VSS43VSS44VSS45VSS46VSS47VSS48VSS49VSS50VSS51VSS52VSS53VSS54VSS55VSS56VSS57

BC

60.1uF

BC

130.1uF

1uFC

105

C114

0.01uF

U8

RT

9202

123 4

578 6

BO

OT

UG

AT

E

GN

D

LGA

TE

VC

C

OC

SE

T

PH

AS

E

FB

C122

10uF/10V

R189

4.7K

12

BC

180.1uF

BC

200.1uF

BC

210.1uF

R135

1

S

GD

Q23

AO

4468

123

4

5678

BC

50.1uF

1uFC

158

BC

140.1uF

+P

C7

560uF/2.5V-NCC-SMD6

BC

90.1uF

R132

125_1%

1uFC

119

0.1uFC

124

1uF

C189

RN

356X

4

1 3 5 7

2 4 6 8

L9

4.7UH

/SD

R124

BC

190.1uF

R147

10K 1%

U5

RT

9199_SO

8

12345 6 7 8

9

VIN

GN

DR

EF

EN

VO

UT

VC

NT

LV

CN

TL

VC

NT

LV

CN

TL

GND

0.01uFC

155

C181

1uF

C19

0.1uF

BC

220.1uF

C104

10uF/10V

BC

100.1uF

R143

10K 1%

BC

30.1uF

D8

BA

T54A3

1 2

DIM

M1A

TY

CO

C-1734075 S

TA

ND

TY

PE

DD

R2 S

O-D

IMM

102101100999897949293911059089116868485

10710611011530321641667980113108109198200197195

114119

10265267130147170185

1331517013114816918811294968129146167186

571719461416232535372022363843455557444656586163737562647476123125135137124126134136141143151153140142152154157159173175158160174176179181189191180182192194

A0A1A2A3A4A5A6A7A8A9

A10/APA11A12A13A14A15

A16_BA2

BA0BA1S0#S1#CK0

CK0#CK1

CK1#CKE0CKE1CAS#RAS#WE#SA0SA1SCLSDA

ODT0ODT1

DM0DM1DM2DM3DM4DM5DM6DM7

DQS0DQS1DQS2DQS3DQS4DQS5DQS6DQS7

DQS0#DQS1#DQS2#DQS3#DQS4#DQS5#DQS6#DQS7#

DQ0DQ1DQ2DQ3DQ4DQ5DQ6DQ7DQ8DQ9DQ10DQ11DQ12DQ13DQ14DQ15DQ16DQ17DQ18DQ19DQ20DQ21DQ22DQ23DQ24DQ25DQ26DQ27DQ28DQ29DQ30DQ31DQ32DQ33DQ34DQ35DQ36DQ37DQ38DQ39DQ40DQ41DQ42DQ43DQ44DQ45DQ46DQ47DQ48DQ49DQ50DQ51DQ52DQ53DQ54DQ55DQ56DQ57DQ58DQ59DQ60DQ61DQ62DQ63

BC

40.1uF

+P

C11

330uF/6.3V-NCC-SMD6

BC

120.1uF

C137

10uF/10V

C18

1uF

+P

C10

330uF/6.3V-NCC-SMD6/X12

1uFC

169

S

GD

Q22

AO

4468

123

4

5678

Page 13: ASUS Eee PC 900 Schematic Diagrams

A

A

B

B

C

C

D

D

E

E

4 4

3 3

2 2

1 1

100/GIGA-LAN

82562EZ=NI

82562EZ=INSTALL

82562EZ=NI

82562EZ=INSTALL

82562EZ=INSTALL

82562EZ=NI

82562EZ=INSTALL

82562EZ=INSTALL82562EZ=NI

82562EZ=0

82562EZ=0

82562EZ=330

82562EZ=NI

82562EZ=NI

82562EZ=NI

82562EZ=NI

82562EZ=NI

82562EZ=NI

82562EZ=NI

82562EZ=54.9

1%

82562EZ=NI

82562EZ=NI

1.0

ATIOSYS

Custom

13 21Saturday, April 18, 2009

LAN

EPC900

Title

Size Document Number Rev

Date: Sheet of

LAN_D12LAN_D14LAN_D10

L12

LAN1_1P2_CTRL

LAN1_2P5_CTRL

EESO

EESI

EESKEECS

LAN1_DIS#

LAN1_1P2_CTRL

LAN1_2P5_CTRL

LAN_A13

LAN_D10LAN_D14LAN_D12

LAN1_DIS#

L14

L13

EESKEECS

EESIEESO

U16_P13

L12

L13L14

L11L11

U16_M13U16_M14

U16_L13

L_ISO1

U16_N14

U16_M12U16_N13

U16_L14U16_N14U16_M14U16_L13

U16_L14

U16_M12U16_P13U16_N13

U16_M13

LAN_A13

L_ISO1LAN1_DIS#

PCIE_WAKE# 2,10

PLTRST# 3,9,15,18,21

SRCCLK_LAN3-SRCCLK_LAN3

SMBDATA 9,12SMBCLK 9,12

SIO_RSMRST#10,15

LAN1_DIS#10

PCIE_ON19

PCIE_IP19PCIE_IN19

PCIE_OP19

ICH_TXD0 10ICH_CLK 10

ICH_RXD0 10

ICH_TXD1 10

ICH_TXD2 10

ICH_RXD1 10

SIO_RSMRST#10,15

-LAN_RST 10

ICH_RXD2 10ICH_RSTSYNC 10

LSB12VLSB25V

LSB25V

LSB12V

LSB25V

+V3.3S

LSB12V

LSB25V

LSB25V

LSB25V

VCC3DUAL

VCC3DUAL

VCC3DUAL

VCC3DUAL

VCC3DUAL

VCC3DUAL

VCC3DUAL

VCC3DUAL

VCC3DUAL

VCC3DUAL

VCC3DUALVCC3DUAL

X1

XTAL 25.000MHz 6*3.5 SMD 2Pin KDS DSX630G

12

RN31 0X41 23 45 67 8

R312 1K

R358 8.2K/X

C31222pF

R53

954

.9 1

%

BC47

0.1uF

BC400.1uF/X

12

R374 3.3K/X

R381 3.3K/X

R342

330/X

RN26 0X4

1 23 45 67 8

R2950

R336 0_0805

C603

10UF/10V

R349 1K 1%

R370 0/X

C32222pF

U22AT25640A/PM25LV040/X1

234

876

5

CS

SOWP#GND

VCCHOLD#SK

SI

R375 100 1%

R393 649 1%

TP37

LANARJSE1R4710C-R

1234789

1056

15 16

1112

1314

TD+/TD0+TD-/TD0-RD+/TD1+RD-/TD1-NC/TD2+NC/TD2-NC/TD3+NC/TD3-TCT/CTRCT/CT

15 16

O-O+

G-/R+G+/R-

R341 0

R388 33/X

82573V,E(AMT)/82562EZCombo Symbol10/100/1000 MbpsEthernet Controller

U2182562EZ

N7M7P6P5N5M5P4N4P3N3N2M1M2M3L1L2K1E3D1D2D3C1B1B2B4A5B5B6C6C7A8B8

G2

M4L3F3C4F2F1G3H3H1J1H2J2A2A4C3J3C2G1B9

A9A6

A14

C8

B10

A10C9

A12C11B11

C13C14E13E14F13F14H13H14

M9

P7M10

N11P11B13

L7

B14

H4

D10

D12

D14

G4

A1

M8J12

N9M11

H12J13

A13L13L14

J14

M14M13

K14

L12

N14P13N13M12

N10P10

D11

G12

L8 A3

A7

A11

E1

K3

K4

K13

N6

N8

P2

P12

E12

G5

E11

G6

G13

H5

H6

H7

H8

H11

J5 J6 J7 J8 J9 J10

J11

K5

K6

K7

K8

K9

D6

D7

E2

E4

E5

E6

E7

E8

E9

E10

F4

F5

F6

F7

F8

F9

F10

F11

G7

G8

G9

G10

G11

D5

G14

H9

H10

K2

K12

L6 M6

C12

L11

J4C10

N1

D4

N12

B7

P8

D9

B3

B12

K10

K11

L4 L5 L9 L10

P1

P14

P9

C5F12

D8

D13

2.5V/NCNCJTAG_TDO/NCLAN_PWRGD/NCJTAG_TCK/NCNCJTAG_TDI/NCJTAG_JTMS/NCCTRL_12/NCTEST12_NC//NCTEST10/NCTEST8/NCFUSEV/NCTEST9/NCTEST7/NCTHERM-/NCTEST6/NCTEST15_NC/NCPE_T0+/NCVSS/NCNVM_SHARED#/NCPE_T0-/NCVCC25_OUT/NCVCC25_OUT/NCNVM_REQ/NCNVM_PORT/NCEN2.5REG/NC2.5V/NCAUX_PWR/NCSDP(3)/NCSDP(0)/NCSDP(1)/NC

PC_CLK-/NC

2.5V/NCTHERM+/NC3.3V/NC1.2V/NCPR_R0+/NCPE_R0-/NC2.5V/NCTEST2/NCTEST0/NCTEST3/NCTEST1/NCTEST4/NCVCC3.3_REG25/NCCRTL_25/NCDOCK_IN0/NCTEST5/NCVSS/NCPE_CLK+/NCNVM_SO/NC

NVM_SI/NCNVM_TYPE/NC

TE

ST

16_N

C/N

C

SD

P(2

)/N

CNVM_CS#/NC

1.2V/NCNVM_SK/NC

LINK_1000_LED#/LINK_UP#ACT_LED#

LINK_100_LED#/SPEED_LED#

MDI_PLUS[0]/TX_PLUS[0]MDI_MINUS[0]/TX_MINUS

MDI_PLUS[1]/RX_PLUSMDI_MINUS[1]/RX_MINUS

MDI_PLUS[2]/NCMDI_MINUS[2]/NC

MDI_PLUS[3]/NCMDI_MINUS[3]/NC

NC

PE_RST#/NC3.3V/NC

SMB_ALRT#/ASF_PWR_GD_RESERVED/NCSMB_CLK_RESERVED/NC

PHY_TEST-/BRIAS100

DE

VIC

E_O

FF

#/A

DV

10

PHY_TSTPT/BAIS10

2.5V/NC

NC

/ISO

L_E

XE

C

PH

Y_R

EF

/ISO

L_T

IN

C/IS

OL_

TC

K

VSS/NC

VS

S/N

C

TEST13_NC//NC2.5V/NC

NCSMB_DATA_RESERVED/NC

1.2V/NCNC

TEST_ENNC/JTXD[1]

CLK_VIEW/JTXD[2]

XTAL2

NC/JTXD[0]NC/JRSTSYNC

XTAL1

2.5V/NC

NC/JCLKNC/JRXD[0]NC/JRXD[1]NC/JRXD[2]

ALT_CLK125/NCPE_WAKE#/NC

NC

1.2V

/NC

NC

VC

C3.

3_R

EG

25/3

.3V

3.3V

2.5V

3.3V

NC

/3.3

V1.

2V3.

3V1.

2V3.

3V2.

5V3.

3V3.

3V3.

3V3.

3V3.

3V

NC

/VC

CT

2.5V

/VC

CR

NC

/VC

CT

1.2V

/3.3

V1.

2V/3

.3V

2.5V

/VC

CR

1.2V

/3.3

V1.

2V/3

.3V

1.2V

/3.3

V1.

2V/N

C2.

5V/V

CC

R1.

2V/3

.3V

1.2V

/3.3

V1.

2V/3

.3V

1.2V

/3.3

V1.

2V/3

.3V

1.2V

/NC

1.2V

/3.3

V1.

2V/3

.3V

1.2V

/3.3

V1.

2V/3

.3V

1.2V

/3.3

V

VS

SV

SS

VS

SV

SS

VS

SV

SS

VS

SV

SS

VS

SV

SS

VS

SV

SS

VS

SV

SS

VS

SV

SS

VS

SV

SS

VS

SV

SS

VS

SV

SS

VS

S

VS

S

VS

SV

SS

VS

SV

SS

NC

/VS

SN

C/V

SS

NC

/VS

S

VS

S

NC

/VS

S

3.3V

/NC

VS

S

VS

S

VS

S

VS

S

NC

/VS

S

VS

S

3.3V

/NC

VS

S

PHY_TEST+/TOUT

1.2V

/3.3

V1.

2V/3

.3V

NC

/3.3

V1.

2V/3

.3V

1.2V

/3.3

V1.

2V/3

.3V

TE

ST

11_N

C/N

CN

C

TEST14_CLKREQ#/NC

1.2V/NC1.2V/NC

VS

SV

SS

R53

649

.9 1

%/X

R294 1K 1%/X

R373 33/X

BC33

0.1uF

R2931K 1%

C28810UF/10V

BC34

0.1uF

R53

549

.9 1

%/X

BC48

0.1uF

BC30 0.1uF/X

BC360.1uF/X

BC410.1uF/X

12

R54

254

.9 1

%

BC420.1uF/X

12

R301 0_0805

BC38

0.1uF

BC49

0.1uF

BC51

0.1uF

BC31 0.1uF/X

R334 3.3K/X

R333 200BC29

0.1uF

SH1

SHORT

1 2

BC390.1uF/X

12

R303 0

R302 3.3K/X

R53

849

.9 1

%/X

R4130/X

U19 74VHC1G08

4

123

5

Q

ABGND

VDD

Q45BCP69T1/X1

324

R387 3.3K/X

R54

054

.9 1

%

R392 100 1%

R378 619 1%

R389 4.99K 1%/X

LANJFM3831A-3320-4F

1234789

1056

15 16

1112

1314

TD+/TD0+TD-/TD0-RD+/TD1+RD-/TD1-NC/TD2+NC/TD2-NC/TD3+NC/TD3-TCT/CTRCT/CT

15 16

O-O+

G-/R+G+/R-

C280

10UF/10V

R330 3.3K/X

TP38

BC50

0.1uF

C287

10UF/10V

R3440/X

R320 3.3K/X

R331 3.3K/X

R352 330

R350 33/X

R371

330

R335 0/X

R402 1M

BC32

0.1uF

C275

10UF/10V

Q502N3904

B

EC

R359 3.3K/X

R394 100 1%

C600

10UF/10V

R54

154

.9 1

%

Q46BCP69T1/X1

324

R2960

BC52

0.1uF

R53

749

.9 1

%/X

BC370.1uF/X

12

R372 470

R346 330

BC53

0.1uF

TP23

R4030/X

R345 0/XBC28 10pF/X

R353 100 1%

hexa

inf@

hotm

ail.co

m

Page 14: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

SATA-2

LVDS Panel Backlight wide=10mil ;

space=20mil

SATA-1

1.0

ATIOSYS

Custom

14 21Saturday, April 18, 2009

USB&LPT

EPC900

Title

Size Document Number Rev

Date: Sheet of

SATARXP1+

SATATXP1+SATATXP1-

SATARXP1-

USB2+

USB0-

USB2-USBVCC2

USB1-USBVCC2

IDE_PIORDY

IDE_PDD14

IDE_PDDACK#IDE_PIORDY

IDE_PDA1

-CD2

IDE_PDCS3#

IDE_PDCS1#

IDERST-R

IDE_PDD0

IDE_PDIOW#

IDE_PDACTIVE#IDE_PDD9

#MASTER

IDE_PDD6 IDE_PDD4

IDE_PDA0

IDE_PDD6

IDE_PDA0

IDE_PDD13-CD2

IDE_PDDREQ

IDE_PDD11

IDEIRQ

IDERST-R

IDE_PDIOR#IDE_PDIOR#

-CD1

IDE_PDDACK#

IDE_PDD2IDE_PDD12

IDE_PDA1IDE_PDD1

IDE_PDCS3#

IDE_PDD5

IDE_PDD10

IDE_PDD14IDE_PDD15

IDE_PDD11

IDE_PDD15

IDE_PDCS1#

36

IDE_PDD3

IDE_PDD10

IDEIRQ

IDE_PDD7

IDE_PDD4

IDE_PDD8

#MASTER

IDE_PDIOW# 36

IDE_PDD5IDE_PDD3

-CD1

IDE_SATADET

IDE_PDDREQ

IDE_PDD9

IDE_PDD13IDE_PDD12

IDE_PDD1IDE_PDD2

IDE_SATADET

IDE_PDD0

IDE_PDA2

IDE_PDD7

IDE_PDD8

IDE_PDA2

IDE_PDD1 IDE_PDD14

IDE_PDD6

IDE_PDD11IDE_PDD5

IDE_PDD8

IDE_PDIOW#

IDEIRQIDE_PDA1

IDE_PDD12

IDE_PDCS1#

IDE_PDD15IDE_PDD0

IDE_PIORDY IDE_PD_CSELIDE_PDDACK#

IDE_PDACTIVE#IDE_PDCS3#

IDE_PDDREQ

IDE_PDD7

IDE_PDA0

IDE_PDD9

IDE_PDD13

IDE_PDIOR#

IDE_PDD4IDE_PDD3IDE_PDD2

IDE_PDD10

-CD2

IDE_PDDREQ-CD1

IDEIRQ

IDE_PDD7

PLED

HP

IDE_PIORDY

IDE_PDACTIVE#

RSTIN

HDLED

PLEDHDLEDHP

PSIN#

HDLED

LVDS_VDD

CH_C

CVBSLU_Y

IDE_PDD[15..0]

IDERST-R

IDE_PDACTIVE#

USB5+USB5-

BKCTL

BRIGHT_UP BRIGHT_DN

PSIN#

BRIGHT_UP BRIGHT_DN

PLED

HP HDLED

SATATXP1+

SATARXP1-SATARXP1+

SATATXP1-

USBVCC4

USBVCC4

NB_BKLCH_BKL

NB_BKL

USB0+

USB1+

USBVCC0USBVCC0

BKCTL

USB_OC0#9

USB_OC1#9

USB_OC2#9

USB_PN29USB_PP29

USB_PN49

USB_PP49

IDE_PDA010IDE_PDCS3# 10

IDE_PDDREQ10

IDE_PDIOR#10IDE_PDIOW#10

IDE_PDCS1#10

IDE_PDA210

IDE_PDA110IDEIRQ10

P66DETECT 10

IDE_PDDACK#10

-IDERST9

IDE_PIORDY10

RSTIN10,20

SATA_LED10

PSIN#15,20

PSIN#15,20RSTIN10,20

SATATXN110

SATARXP110

SATATXP110

SATARXN110

VDDEN-CH21L_VDDEN6

TV_DACB_OUT6

TV_DACA_OUT6

TV_DACC_OUT6

LA_DATAP16,20

LA_DATAP26,20

LA_DATAN1 6,20

LA_DATAN0 6,20

LA_CLKP6,20

LA_DATAN3 6,20LA_DATAN2 6,20

LA_DATAP36,20

LA_DATAP06,20

LA_CLKN 6,20

IDE_PDD[15..0]10

USB_PP59,20USB_PN59,20

SATARXP010SATARXN010

SATATXP010SATATXN010

USB_PP69,20USB_PN69,20

L_BKLTCTL 6L_BKLTEN 6ENBKL-CH 21

USB_PN19USB_PP19USB_PN09USB_PP09

ENBKL-LCD 20

HDDLED- 20

STBLED+ 20

PSIN#15,20

+V5S

+12V

USBVCC0

USBVCC2

USBVCC4

+V5S+V5S

+V5S

+V5S

+V5S

+V5S

+V3.3S

+V3.3S

+V3.3S

+V5S

+V5S

VCC3

+V12_IN

TVGND

LVDS_VDD

LVDS_VDD

+V5S

+V5S

+V5S

LVDS_VDD

+V5S

+V5SB

+V5SB

+V5SB

USBVCC4

+V12_IN

VCC

+V5SB

USBVCC4

VCC3

LVDS_VDDVCC3

VCC3DUAL

C223.3pF

FB48FB_1A

R271 0/X

D18 1N41481 3

RN28 0X41 23 45 67 8

D10 1N41481 3

R112 33

D32 BAT54A

3

1

2

B-UP

HDK632A

12

34

INV2MOLEX250-5

12345

PWR-SWHDK632A

1 2

3 4

C30310uF/10V

R27010K

Q9

SI4435

1234 5

678S1

G1S2G2 D2

D2D1D1

U6

DS1669-10

1234 5

678S1

G1S2G2 D2

D2D1D1

C28910u/16V 1206

C250 0.01uF

HLED-D LED_RED-DIP1 2

L18 FB_1A

PBTN

HEADER 1X-2.54mm-90

12

C376 0.01uF

R163 10K

ESATAB

ESATA_USB

U1

U3

U2

U4

H1H2H3H4

VCC

DATA+

DATA-

GND

GS1GS2GS3GS4

USB3

MOLEX200-4

1234

C156

0.1uF

C377

0.1uF

C375 0.01uF

FS9

2A/6VFUSESMD

1 2

LVDS-P

HEADER 1X3_2.54mm

13 2

FB6 220-L0603

R252 0/X

R337

10K

FB29 0

C5110uF/10V

FS2

2A/6VFUSESMD

1 2

CF1

CFCMD-35015W100

135791113151719212325272931333537394143454749

2468

101214161820222426283032343638404244464850

R113 0

C324

4.7UF/16V

+OC3

330u

F/6

.3V

-NC

C-S

MD

6

R194.7K

C292

10uF/10V

CF_SEL

HEADER 3X1_2.0mm

1

32

STB_LED2

LED_GREEN-0805/X

1 2

C374 0.01uF

R265

560K

USB2

HEADER5X2_2.0MM

13579

2468

10

FB36 0

C213.3pF

FS3

2A/6VFUSESMD

1 2L17 FB_1A

RST-SWHDK632A

1 2

3 4

PANCON

HEADER 6X2_2.54mm

1 23 45 67 89 1011 12

BC10.1uF

+OC4

330u

F/6

.3V

-NC

C-S

MD

6

0.1u

FC

270

R24

100K

L22

GTXF-002-5-900-T

1234 5

678

R18

1K 1%

R255 0

R246 33

B-DN

HDK632A

1 2

3 4

AV

MOLEX200-4/X

1234

R266 470K

+OC5

330u

F/6

.3V

-NC

C-S

MD

6

C143.3pF

C412

0.01uF

C1300.1uF

R268 470K

MOLEX200-5

SATA-P

12345

R422 330

USB4

MOLEX200-4

1234

R20 0/X

C276 0.01uF

SH3

SHORT

1 2

FB47 FB_1A

C296

0.1uF

C266 0.01uF

R17710K/X

+EC13

100uF/25V_NCC-SMD/X

SATA2SATA-II

1234567

G1TX+TX-G2RX-RX+G3

C267 10uF/10V

C346

0.1uF

C42410uF/10V

C261 0.01uF

C5010uF/10V

C4810uF/10V

ESATAA

SATA-II

P1P2P3P4P5P6P7

G1TX+TX-G2RX-RX+G3

C153.3pF

FB3 220-L0603

C297

0.1uF

R267

560K

C235

10uF/10V

C642

0.1uF

IDE

BOX_HEADER_22X2_2.0mm

13579

11131517192123252729

24681012141618202224262830

3133353739

3234363840

4143

4244

R134 33

HLED-S LED_GREEN-0805/X1 2

Q82N7002A1

32

R5 10K

RN14 4.7KX41357

2468

FB31 0

R474 8.2K

L21 FB_1A

R418 0

Q72N39041

23

L20

GTXF-002-5-900-T

1234 5

678

C29510u/16V 1206

R37710K

R6 330

SATA1SATA-II

1234567

G1TX+TX-G2RX-RX+G3

R285 10K

C30110uF/10V

+EC12 100uF/25V_NCC-SMD/X

FS12A/6V

FUSESMD1 2

R25 100K

C41110uF/10V

R319 470

C252 10uF/10V

CF1A

CFCMD-35015W100/X

135791113151719212325272931333537394143454749

2468

101214161820222426283032343638404244464850

U11 74VHC1G084

123

5

Q

AB

GND

VDD

PLED-S LED_GREEN-0805/X1 2

FB4 220-L0603

C225 10uF/10V

C530.1uF

C28210u/16V 1206

R209 0

R26

010

0K

R398

560K

PLED-D LED_BLUE-DIP1 2

RN32 0X4

1 23 45 67 8

R217 10K

C163.3pF

R475 8.2K

C300

10uF/10V

SH2

SHORT

1 2

L16 FB_1A

R111

0

R28 0

C373 0.01uF

FB38 0

L14 FB_1A

R405 470K

C29310uF/10V

FB46 FB_1A

FB5 220-L0603

C328

4.7UF/16V

STB_LED1 LED_GREEN-DIP1 2R421 330

C30210uF/10V

R417 0

USB1

CON_USB_DUAL_STANDARD

1234

5678

G3 G1

G4 G2

INV1MOLEX200-5

12345

C203.3pF

LVDS1

HEADER 10X2-1.27mm-SMD

1 23 45 67 89 1011 1213 1415 1617 1819 20

Page 15: ASUS Eee PC 900 Schematic Diagrams

8

8

7

7

6

6

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

W83627HF

ENABLE KBC

LOW: 2E

SELECT 48MHz

CLEAR DEFAULT

1.0

ATIOSYS

Custom

15 21Saturday, April 18, 2009

LPC I/O(83627HF)& FDC

EPC900

Title

Size Document Number Rev

Date: Sheet of

PDR1

VCORE_IO

PDR3PDR2

TXDA

TXDB

PDR6

GP30

PDR0

RSTOUT0

DTRA#RTSA#

GP31

GP33

RTSA#

TXDA

TXDB

DTRA#

GP37

BEEP

GP32

BEEP

STB#AFD#

PAR_INIT#ERR#

SLIN#

ACK#

PE

PDR4

BUSY

SLCT

PDR7

PDR5

PDR4

SLIN#

BUSY

ERR#

PDR6

PDR1

STB#

PDR2

PDR5

SLCT

ACK#

PDR0

PE

PDR3

PDR7

PAR_INIT#AFD#

627_RSMRST#

S3#

PS_ON#

PANSWINGP36

RSTOUT1

GP34GP35

IOAVCC

THRMDC

VIN0

SYSTINCPUTIN

SYSTINCPUTIN

HM_VREF

PANSWINOVT#

GP36

5VGPIO

GP34

DIO_OUT1

DIO_OUT6

DIO_OUT8

DIO_OUT5

GP37

GP35DIO_OUT7

DIO_OUT1DIO_OUT2

DIO_OUT4DIO_OUT7DIO_OUT8

DIO_OUT5DIO_OUT6

DIO_OUT3

THRMDC

THRMDC

PWRTIN

HM_VREF

VIN3VIN2VIN1

GPIO19

OVT#

GP32

GP30GP33

GP31

DIO_OUT3DIO_OUT4

DIO_OUT2

627_RSMRST#

KDAT 16KCLK 16

RI#0 16DCD#0 16

RXD0 16DTR#0 16RTS#0 16DSR#0 16CTS#0 16

FANPWM11

MCLK 16MDAT 16

RI#1 16DCD#1 16

RXD1 16DTR#1 16RTS#1 16DSR#1 16CTS#1 16

TXD1 16

KBRST# 10

TXD0 16

LPC_DRQ#010

LPC_FRAME#3,10,18

CLK_SIOPCI3

PLTRST#3,9,13,18,21

PSOUT# 10

PWROK_LPC 10

A20GATE 10

PS_ON# 17

PSIN# 14,20

SPKR10,16

PDR416PDR516

PDR216

PDR616

PDR016

SLCT16

STB#16

SLIN#16PAR_INIT#16

ACK#16

ERR#16

PDR716

PE16PDR116

AFD#16

PDR316

BUSY16

INT_SERIRQ10,18

LPC_AD03,10,18LPC_AD13,10,18LPC_AD23,10,18LPC_AD33,10,18

SIO_RSMRST# 10,13

PM_SLP_S3# 10

LPC_PME# 10

WDTO_SIO 10

THRMDA1

FANPWM21

FANIO21FANIO11

PM_THRM# 10

LPCCLK483

THRMDC1

BAT3V

+V5S

VCC3DUAL

+V3.3S

VCC3DUAL

+V3.3S

VCC3DUAL

BAT3V

+V5SB

+V3.3S

+12V

+VCC_CORE

+V3.3S

+V5S

5VGPIO

5VGPIO

+V1.8S

+V5S+V3.3S

+V3.3S

+V3.3S

+V3.3S

+V3.3S

+V5S

VCC3DUAL

VCC3DUALBC260.1uF

R178

15K_1%

D30 DIODE_SM19

C574

10UF/10V

R297 4.7K/X

R128 10K_1%

Q242N3904

B

EC

R476 1K_1%/X

FB67 FB_1A

R155 100

RT1 THERMISTOR-10K-0603

R490 0

R256 1K/X

R497 4.7K

R508 10K

C195

0.1uF

R173 10K_1%

R469 1K_1%

C2780.1uF

TP25

R140 100

RN36

10KX4

1357

2468

R472 1K

R477 10K

RN3410KX4

12

34

56

78

FB66 FB_1A

R298 4.7K/X

C5370.1uF

R176 150K

RN4110KX4

12

34

56

78

R175 22K_1%R249 2M

R473 0/XR478 0

R51010K

Q252N3904

B

EC

C528 0.1uF

D33 1N4148/X1 3

RN39 33X4

12345678

C3330.1uF

0.1uF

C332

R498 0

U12

W83627DHG

1 2 3 4 5 6 7 9 10 11 12 13 14 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38

3940414243444546474849505152535455565758596061626364

6566676869707172737475767778798081828384858687888990919293949596979899100

101

102

103104105106107108109110111112113114115116117118119120121122123124125126127128

8 15

DR

VD

EN

0D

RV

DE

N1

IND

EX

#M

OA

#D

SB

#D

SA

#M

OB

#

ST

EP

#W

D#

WE

#V

CC

TR

AK

0#W

P#

HE

AD

#D

SK

CH

G#

CLK

INP

ME

#V

SS

PC

ICLK

LDR

Q#

SE

RIR

QLA

D3

LAD

2LA

D1

LAD

0V

CC

3VLF

RA

ME

#LR

ES

ET

#S

LCT

PE

BU

SY

AC

K#

PD

7P

D6

PD

5P

D4

PD3PD2PD1PD0

SLIN#INIT#ERR#AFD#STB#VCC

CTSA#DSRA#RTSA#DTRA#

SINASOUTA

VSSDCDA#

RIA#KBLOCK#

GA20MKBRST

VSBKCLKKDAT

SUSLED/GP35

MC

LKM

DA

TP

SO

UT

#P

SIN

#C

IRR

X/G

P34

RS

MR

ST

#/G

P33

PW

RO

K/G

P32

PW

RC

TL#

/GP

31S

US

CIN

/GP

30V

BA

TS

US

CLK

INC

AS

EO

PE

N#

VC

CC

TS

B#

DS

RB

#R

TS

B#

DT

RB

#S

INB

SO

UT

BD

CD

B#

RIB

#V

SS

IRT

X/G

P26

IRR

X/G

P25

WD

TO

/GP

24P

LED

/GP

23S

DA

/GP

22S

CL/

GP

21A

GN

D-5

VIN

-12V

IN+

12V

INA

VC

C+

3.3V

INV

CO

RE

BV

CO

RE

AV

RE

FV

TIN

3

VTIN2VTIN1OVT#VID4VID3VID2VID1VID0FANIO3FANIO2FANIO1VCCFANPWM2FANPWM1VSSBEEPMSI/GP20MSO/IRQIN0GPSA2/GP17GPSB2/GP16GPY1/GP15GPY2/P16/GP14GPX2/P15/GP13GPX1/P14/GP12GPSB1/P13/GP11GPSA1/P12/GP10

DIR

#

RD

AT

A#

C199

2200pF

U42A

74LVC14

714

21

TP24

R83 10K_1%

R471

10K

R299 4.7KR300 10K/X

R174 20K_1%

RN9

10KX4

1357

2468

R139 10K 1%

DIO1 HEADER5X2_2.0MM

13579

2468

10

C202

2200pF

R470 1K_1%

TP18

R49110K

R261 100

BZBUZZER

U42B

74LVC14

43

RN38 33X412345678

R488 4.7K

R191 10K_1%

C277 0.1uF

RT2 THERMISTOR-10K-0603

RN40

10KX4

12

34

56

78

C560 10pF/X

C527

0.1uF

D27

DIODE_BAT54S_SOT23

2

3

1

Q59MMBT3906

B

EC

C533

10UF/10V

R505 0/X

C5500.1uF

hexa

inf@

hotm

ail.co

m

Page 16: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

COM1

D-SUB9CHIP

CHIP D-SUB9

COM2

上上上上上上上上1mm

1.0

ATIOSYS

Custom

16 21Saturday, April 18, 2009

AC97

EPC900

Title

Size Document Number Rev

Date: Sheet of

LINEOUTR

VREF

+3.3VCODEC

DCD0

TXDD1

RTS0

RXD0

CTS0

DCD0

DTR0

TXDD0

DTR#0

RTS#0

DSR#0

RTS0

CTS0

DSR1

RTS1RXDD1

DSR0

CTS1

RI0

RI1

CTS#0RI#0

TXD0

DTR0RI0

DCD#0

TXDD0

RXDD0DSR0

RXDD0

RXDD1

RTS1

RI#1

TXD1

DCD1

CTS#1RI1

DTR#1DCD#1

TXDD1

DSR1RX232

RTS#1

CTS1

DSR#1

DTR1

MICINN1

LINEOUTL

485RX-

TXDD1CM2-4

CM2-2DCD1

CM2-3

RXDD1

485TX- 485TX+

485RX+

DTR1

CM2-1

485RX+

GNDTXD1

RX422

485TX--RTS#1

485RX-

485TX+

GND

RX485

DCD1

DTR1

DSR0

DTR0

DSR1

DCD0

CTS1

RI1

CTS0

CM2-1

RXDD0

CM2-3

RI0

CM2-2

CM2-4

RTS0

RTS1

TXDD0

KBCK

COMGND

MSDT

MICINN2

VREF

RX422RX485

RX232

MSCK

MDAT

KDAT KBDT

MCLK

KCLK

PDR1

PDR2PTD2

SLCT

PTD1

PTD7

STB-STB#

PTD4

ERR#AFD#

PE

PDR7

AFD#SLIN#PAR_INIT#

ACK#

PDR3

ACK#

PTD0BUSY

ERR#

PDR4

PTD6

PDR0

PDR5

PTD3

PDR6PTD5

PAR_INIT#

PTD3

PTD7

STB-

AFD#PTD5

ACK#

PESLCT

PTD2

ERR#

PTD6

PTD4

BUSYPTD0PTD1

SLIN#

RXD1

LINEOUTR

R-SPK+L-SPK+

MICINN2MICINN1

RI1

RI0

-RTS#1

RTS#1

RI1

RI0

R-SPK+

L-SPK+

LINEOUTL

GND

ACZ_SDIN010

ACZ_RST#10ACZ_BCLK10

ACZ_SYNC10

ACZ_SDOUT10

SPKR10,15

DTR#015TXD015

RXD015

CTS#015

DCD#015

RI#015

DSR#015

RTS#015

TXD115

DCD#115DSR#115

CTS#115

DTR#115

RI#115

RTS#115

KDAT15

MDAT15

MCLK15

KCLK15

PDR515

PDR315

PDR115BUSY15

AFD#15

SLIN#15

STB#15

PAR_INIT#15

PDR715

SLCT15

PDR015

PDR615

PDR215

ACK#15

ERR#15

PE15

PDR415RXD1 15

PM_RI#10

CLK_AC973

+5VAUDIO

GND_AUD

GND_AUD

VCC3

VCC

VCCVCC

VCC

VCC

VCC

VCC

VCC

+V12_IN

GND_AUD

VCC

VCC

VCCKB

GND_AUD GND_AUDGND_AUD

VCC

+V5S

+V3.3S +V5S

GND_AUD

VCC

+V12_IN

VCC

+V12_IN

VCC3

+V5S

GND_AUD

GN

D_A

UD

GN

D_A

UD

GN

D_A

UD

GN

D_A

UD

VCC_AMP

VCCVCCKB

GND_AUD

GND_AUD

GND_AUD

GND_AUD

GND_AUD

GND_AUD

VCC_AMP

GND_AUDGND_AUD

+V12_IN

GND_AUDGND_AUD

COM-J1

21

3

R549 560K

C6210.1uF

FS5

1.5A/12VFUSESMD

1 2

FB51 FB_1A

C637

0.1uF

C420

1000pF

C393100pF

FB52 220-L0603

FB50 220-L0603

C6450.22uFC421

1000pF

C63110uF/10V

COM2

594837261

1110

NEC11B 10UF/25V_X5R/1210

R552 15K

C31110uF/10V

FB45 FB_1A

R550

15K

C4261000pF

R380 4.7K/X

C269

4.7U

F/1

6V

R41110K

0.1uFC629

C3210.1uF

0.1uFC313

R428 1K

L27FB_1A

C356100pF

C3691000pF

+EC11

68uF/16V-ELNA-SMD6

C407100pF

C31910uF/10V

R557 560K

C3350.1uF

1uFC337

C394100pF

C294

0.1uF

C371100pF

R54510K

NEC11A 10UF/25V_X5R/1210

FB41 FB_1A

C3300.1uF

C367100pF

C341

1uF

C357100pF

C3421000pF

U49

LM1877

7

6

9

8

2

13

3 4 5 10 11 12

14

1

INA-

INA+

INB+

INB-

OUTA

OUTB

GN

DG

ND

GN

DG

ND

GN

DG

ND

VA

A

IN

C392100pF

C404100pF

C395100pF

FB44FB_1A

R55133K 1%

FB42 FB_1A

C6460.22uF

C3180.1uF

C406100pF

C325

10uF/10V

22pFC336

C355100pF

U28

ALC655D

1

2 3

4

5

6

7

8

9

10

11

12

13

1415

1617

18

1920

2122

2324

25

26

27

28

2930

31323334

3536

37

38

3941

40

42

4344

4546

47

48

DVDD1

XTL_IN XTL_OUT

DVSS1

SDATA_OUT

BIT_CLK

DVSS2

SDATA_IN

DVDD2

SYNC

RESET

PC_BEEP

PHONE_IN

AUX_LAUX_R

VIDEO_LVIDEO_R

CD_L

CD_GNDCD_R

MIC1MIC2

LINE_IN_LLINE_IN_R

AVDD1

AVSS1

VREF

VREFOUT

AFILT1AFILT2

NCCAP2

NCNC

LINE_OUT_LLINE_OUT_R

MONO_OUT

AVDD2

LNL/SUR_OUTLLNL/SUR_OUTR

NC

AVSS2

CENTER_OUTLFE_OUT

ID0ID1

EAPD

SPDIF_OUT

R532 10K

R427 1K

U45

HIN213ECA

12141516

76

2021

85

26221924

10

251823274928132

17

13

11

C1+C1-C2+C2-

T1INT2INT3INT4INR1OUTR2OUTR3OUTR4OUTR5OUTEN G

ND

SHDNR5INR4INR3INR2INR1IN

T4OUTT3OUTT2OUTT1OUT

V-

V+

VC

C

R525

100

Q61

2N3904

1

23

JP3PINHEADER3X2_2.0MM

1 23 45 6

0.1uF

C343 C370

1000pF

1uFC344

R55433K 1%

L24FB_1A

0.1uFC632

R430

22K

C30910uF/10V

R556 560K

AC268uF/16V-ELNA-SMD6

R429

22K

0.1uFC345

C630

4.7UF/16V

C4251000pF

Q632N3904

1

23

FB56FB_1A

1uFC408

R527 10K

0.1uFC641

JP2 PINHEADER3X2_2.0MM

1 23 45 6

FS6

1.5A/12VFUSESMD

1 2

C32910uF/10V

L26FB_1A

U48

SUPER1284

123456789

101112

28272625242322212019

171314 15

16

18

PU1PU2I1I2I3I4I5PU3I6PU4I7PU5

PU8PU7

O1O2O3O4

GNDO5

VCCO6

O8I8I9 PU6

O9

O7

R54410K

+AC3

68uF/26V-ELNA-SMD6

C372100pF

LINEOUT

PHONEJACK

534

21

JP1 PINHEADER3X2_2.0MM

1 23 45 6

C3270.1uF

21

5

3

8

6

KB_MS1 MINIDIN6_1

21

5

3

8

6 47910111213141516

MDTKDT

VCC

GND

MCK

LCK MHMHMHMHMHMHMHMHMHMH

C3400.1uF

NE

C11

D10

uF/1

0V/X

FB49 220-L0603

NE

C8A

10uF

/10V

/X

C436

1000pF

AC1

68uF/16V-ELNA-SMD6

C359100pF

Y624.576MHz/X

1 2

C6200.1uF

R5314.7K

NE

C11

C10

uF/1

0V/X

Q622N3904

1

23

R548 560K C643 0.01uF

C286

4.7UF/16V

R553 15K

FS4 2A/6V

1uFC338

COM-J2

21

3

C647 0.01uF

L19 FB_1A

FB53 220-L0603

C38110u/16V 1210/X

AUD-CON HEADER 2X4_2.0mm

1357

2468

C368100pF

C4351000pF

C644

0.1uF

FB55FB_1A

U23 LTC485

1234

8

567

ROREDEDI

VCC

GNDAB

U26

HIN213ECA

12141516

76

2021

85

26221924

10

251823274928132

17

13

11

C1+C1-C2+C2-

T1INT2INT3INT4INR1OUTR2OUTR3OUTR4OUTR5OUTEN G

ND

SHDNR5INR4INR3INR2INR1IN

T4OUTT3OUTT2OUTT1OUT

V-

V+

VC

C

C6080.1uF

R534

4.7K

NE

C8B

10uF

/10V

/X

SH5SHORT

12

22pFC331

L23FB_1A

R547 1K

C638

10uF/10V

RN27

4.7KX4

1 3 5 7

2 4 6 8

R3794.7K

C403100pF

R555

15K

C6230.1uF

COM1

594837261

1110

R529 4.7K

0.1uFC639 C422

1000pF

LPT

PIN-header-9X2_2.0mm

12345678

11121314151617

10

9 18

12345678

11121314151617

10

9 18

C281

4.7U

F/1

6V

+EC8

100u

F/2

5V_N

CC

-SM

D

SH4SHORT

12

FB43FB_1A

U24 LTC485

1234

8

567

ROREDEDI

VCC

GNDAB

1uFC409

C38010u/16V 1210/X

Page 17: ASUS Eee PC 900 Schematic Diagrams

A

A

B

B

C

C

D

D

E

E

4 4

3 3

2 2

1 1

1.0

ATIOSYS

Custom

17 21Saturday, April 18, 2009

POWER

EPC900

Title

Size Document Number Rev

Date: Sheet of

PS_ON#

PS_ON#

PS_ON#

PS_ON

PS_ON#15

+V1.5S_PGD 4VCCP_PGD 4

PS_ON

GND

VCC_PWM VCC_PWM

+V5S

+V5S

+V3.3S

+V3.3S +V3.3S

+V3.3S

VCC_PWM

+V5SB

+V3.3S +V5SB

VCC3DUAL

VCC3DUAL

VCC3DUAL

VCC3DUAL

+V5SB

+V3.3SB

+12V

+12V

+V5S

+V1.05S

+V5S

+V1.5S

+V1.05S

VCC

+12V

+V1.05S

+V5S

+V1.5S

+V1.05S +V3.3S

+V1.5S

+V5S

VCC3

VCC

VCCP

+V5S

VCCP+V1.5S

+V5SB

+V5SB

+V5SB

VCC VCCVCC3

+V12_IN

+V12_IN

+V3.3S+V1.5S

+V12_IN

+V12_IN

+12V

VCCSB

+12V

+V5SB

+V1.05S

+V5SB

+V5S

VCC_PWM VCC_PWM

NPC21A10UF/10V/X

C1960.01uF

NPC17B10UF/10V/X

NPC21B10UF/10V/X

R1654.7K

12

C21710uF/10V

+ EC7

470uF/16V-NCC-DIP10

12

43 5

+

PC25

330u

F/6

.3V

-SA

NY

O-D

/X12

C186

0.01uF

NEC7A

10UF/25V_X5R/1206/X

R167 10K

C194

0.1uF

L12

4.7UH/SDR124

R500 0

R218100K

NPC20A

10UF/10V/X

Q42AO4468

4

51 32

6 7 8

NPC25B

10UF/10V/X

R507200

NPC18B10UF/10V/X

C2100.1uF

+EC1

560u

F/2

.5V

-NC

C-S

MD

6

R149

10K

R1874.7K

12

R519 1K12

C21410UF/10V

Q202N7002A R193 1K

1 2NPC20B

10UF/10V/X

+

PC27

330u

F/6

.3V

-SA

NY

O-D

/X12

TP34

Q322N7002A

1

32

C460.01uF

R50210K_1%

L13

4.7UH/SDR124

Q26AO4468

4

5 1

326

78

R509

2.2

+

PC19

330u

F/4

V-S

AN

YO

-D/X

C2260.01uF

R171 2.2

R523

47K

R192

2.2

NPC27B

10UF/10V/X

C19210uF/10V

NPC23A10UF/10V/X

Q292N3904

1

23

Q21AO44684

51 32

6 7 8

R172 3.3K

C1504.7uF/16V

R514 3.3K

R501

47K_1%

NPC26B10UF/10V/X

NPC24A

10UF/10V/X

D34

BAT54A

3

1 2

C175

1uF/16V

NPC14B10UF/10V/X

C1494.7uF/16V

Q6078L05/TO-92

O

G

I VOUT

GN

D

VIN

R148

10K

U9

ISL6227CAE

2

1

3

4

11

5

6

8

7

9

10

12

28

27

26

25

24

23

22

21

20

19

18

17

16

15

13

14

LG1

GND

PGND1

PHASE1

OCSET1

UG1

BOOT1

EN1

ISEN1

VOUT1

VSEN1

SOFT1

VCC

LG2

PGND2

PHASE2

UG2

BOOT2

ISEN2

EN2

VOUT2

VSEN2

OCSET2

SOFT2

PG2/REF

PG1

DDR

VIN

R516200

R180200

L11A

4.7UH/SDR124

C2300.01uF

C224

1uF

12

BC27

0.1uF

U40

ISL6227CAE

2

1

3

4

11

5

6

8

7

9

10

12

28

27

26

25

24

23

22

21

20

19

18

17

16

15

13

14

LG1

GND

PGND1

PHASE1

OCSET1

UG1

BOOT1

EN1

ISEN1

VOUT1

VSEN1

SOFT1

VCC

LG2

PGND2

PHASE2

UG2

BOOT2

ISEN2

EN2

VOUT2

VSEN2

OCSET2

SOFT2

PG2/REF

PG1

DDR

VIN

R188 2.2

NPC17A10UF/10V/X

Q36AO4468 4

513 2

678

+PC14

330u

F/4

V-S

AN

YO

-D/X

R158

47K

L10A

4.7UH/SDR124

NPC26A10UF/10V/X

C1600.01uF

C25510uF/10V

NEC7D

10UF/25V_X5R/1206/X

NPC24B

10UF/10V/X

R1944.7K

R521

47K

C587100pF

C182

10UF/25V_X5R/1210

R511 2.2

C586

0.1uF

C26310UF/10V

R166 10K1 2

C595

0.01uF

C223

0.01uF

+ PC24

330u

F/6

.3V

-SA

NY

O-D

/X

12

R18610K

12

C19710uF/10V

C184

0.01uF/XC16410UF/10V

C187100pF

R150

47K

R169

6.8K_1%

NPC29A

10UF/10V/X

C5670.01uF

Q19AO4468 4

513 2

678+

EC5

330u

F/6

.3V

-NC

C-S

MD

6

+

PC

2633

0uF

/6.3

V-S

AN

YO

-D 12

NPC29B

10UF/10V/X

C15910UF/10V

+EC2

560u

F/6

.3V

-NC

C-S

MD

6

Q34AO4468 4

513 2

678

C594

1000pF/X

C168

0.01uF

R517 1K12

R503

2.2

R151 10K12

R15610K1 2

C598

1uF/16V

+EC3

330u

F/6

.3V

-NC

C-S

MD

6

+

PC

2033

0uF

/6.3

V-S

AN

YO

-D/X

12

R515 2.2

C21310uF/10V

L10

3UH/SDR124

C25610uF/10V

D21RB050L-40

21

D7RB050L-40

21

TP33

R179 2.2

R1974.7K

12

C580

100pF

R185 10K12

L11

3UH/SDR124+

PC18

330u

F/4

V-S

AN

YO

-D/X

12

C191

0.01uF

R153

10K_1%

C576 0.1uF

C597

0.01uF

L12A

4.7UH/SDR124

Q17AO4468 4

513 2

678

R522

10K_1%

R518 3.3K

C176

1uF

12

NEC7B

10UF/25V_X5R/1206/X

C2424.7UF/16V

R133 1K1 2

+

PC

21 330u

F/6

.3V

-SA

NY

O-D

/X

12

C212

10UF/25V_X5R/1210

R512 2.2

NPC18A10UF/10V/X

C200

100pF

C27910UF/10V

Q312N3904

1

23

R15710K_1%

L13A

4.7UH/SDR124

C216

10UF/25V_X5R/1210

C1830.01uF

R520

27K_1%

Q40 AO4468

4

5 1

326

78

C2484.7UF/16V

+EC7E

47uF

/25V

-NC

C-S

MD

6/X

C2574.7uF/16V

D14RB050L-40

21

Q372N7002A

Q282N3904

1

23

R170 0

+EC4

330u

F/6

.3V

-NC

C-S

MD

6

R154 3.3K

Q38

2N7002A1

32

Q43AO4468

4

51 32

6 7 8

C590

0.01uF

Q18AO44684

51 32

6 7 8

C2584.7uF/16V

+

PC

2933

0uF

/6.3

V-S

AN

YO

-D 12

NPC19B10UF/10V/X

R152

2K_1%

C25410uF/10V

R168

200

NEC7C

10UF/25V_X5R/1206/X R161

2.2

D15

BAT54A

3

1 2

NPC14A10UF/10V/X

C193

10UF/25V_X5R/1210

D5RB050L-40

21

C593

0.01uF

R144100K

+ PC23

330u

F/6

.3V

-SA

NY

O-D

/X

12

NPC19A10UF/10V/X

C1610.01uF

NPC23B10UF/10V/X

+PC17

330u

F/4

V-S

AN

YO

-D/X

12

NPC27A10UF/10V/X

NPC25A

10UF/10V/X

hexa

inf@

hotm

ail.co

m

Page 18: ASUS Eee PC 900 Schematic Diagrams

8

8

7

7

6

6

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

COM3 COM4

COM5

COM6

1.0

ATIOSYS

Custom

18 21Saturday, April 18, 2009

F81216D COM3~6

EPC900

Title

Size Document Number Rev

Date: Sheet of

SOUTB_TSOUTB SINBSOUTB_4

SINB_T

SINB_4

SINB_TSOUTB_T

NDSRA#

NDTRB#

NDCDB#

SINA

RIB#

DSRA#

NCTSA#

NSINA

DT

RC

#R

TS

C#

NCTSB#

RTSB#

RTSA#

NDTRA#

RTSB#

DSRB#

NRIA#

SO

UT

D

NRIB#

NRTSB#

DSRB#

24MHz

24MHzDSRA#

NDSRB#

DTRB#

NSOUTA

NRTSB#

DCDB#

CTSA# CTSB#

NRTSA#

NDCDB#

NRIA# NRIB#

SINB_4

NDSRA#

RIA#

RTSA#

NSINA

RIB#

SOUTC

CTSB#

DCDA#

NRTSA#

NDTRA#

DCDA#

SOUTB

NDCDA#

NSOUTB

SOUTA

NDTRB#NSOUTA

NSINB

NSOUTB

NCTSB#

SOUTA

NSINB

SINARIA#

NDSRB#

DTRB#

DTRA#

NCTSA#

SINB

DCDB#DTRA#

NDCDA#

CTSA#

SOUTB_4

RIC#DCDC#

SINC

DS

RC

#C

TS

C#

RID

#D

CD

D#

SIN

DD

TR

D#

RT

SD

#D

SR

D#

CT

SD

#

NSINC

NCTSC#

NDCDC#NDSRC#

CTSC#

RTSC#

NDTRC#

DSRC#

NRIC#

NRTSC#

NSOUTC

SINC

DTRC#DCDC#

RIC#

SOUTC

RID#

DSRD#

CTSD# NCTSD#

SINDNRID#

DTRD#NDCDD#

RTSD# NRTSD#

SOUTDNDTRD#

DCDD#NDSRD#

NSOUDB

NSIND

DT

RB

#

SO

UT

D

DT

RA

#

RT

SB

#

SO

UT

A

SO

UT

B

SO

UT

C

RT

SC

#

DT

RC

#

RT

SA

#

NRTSC#NCTSC#NRIC#

NSINCNDSRC#NDCDC#

NDTRC#NSOUTC

NRTSD#NCTSD#NSOUDB

NDTRD#

NDCDD# NDSRD#

NRID#

NSIND

NRIC#

NRID#

TTXD4 19TRXD4 19

INT_SERIRQ10,15

PLTRST#3,9,13,15,21

CLK_COM3

LPC_AD33,10,15

LPC_AD03,10,15LPC_AD13,10,15LPC_AD23,10,15

LPC_FRAME#3,10,15

VCC

VCC3

VCC

VCCVCC

VCC3

VCC

VCC

VCC

VCC

VCC

VCC VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC3

VCC

VCC3

VCC

VCC

+V12_IN

V24VV24V V24V

V24V

+12V

+V12_IN

VCC

+V12_IN

+V12_IN

VCC

V24V +V12_IN

C6130.1uF

C246

10u/25V 1210

U44

HIN213ECA

12141516

76

2021

85

26221924

10

251823274928132

17

13

11

C1+C1-C2+C2-

T1INT2INT3INT4INR1OUTR2OUTR3OUTR4OUTR5OUTEN G

ND

SHDNR5INR4INR3INR2INR1IN

T4OUTT3OUTT2OUTT1OUT

V-

V+

VC

C

R526

4.7K/X

FB40FB_1A

21

TP22

C354 100pF

P4-4PATX PWR 4P (12V)/X

1324C636

10u/25V 1210

C3260.1uF

U25

F81216D

123456789

101112

13 14 15 16 17 18 19 20 21 22 23 24

252627282930313233343536

373839404142434445464748

PCIRST#WDT_OUT#GNDLAD3LAD2LAD1LAD0LCLKLFRAM#SERIRQVCCCLKIN

CT

S4#

DS

R4#

RT

S4#

DT

R4#

SIN

4S

OU

T4

DC

D4#

RI4

#C

TS

3#D

SR

3#R

TS

3#D

TR

3#

SIN3SOUT3DCD3#

RI3#GNDVCC

CTS2#DSR2#RTS2#DTR2#

SIN2SOUT2

DC

D2#

RI2

#C

TS

1#D

SR

1#R

TS

1#D

TR

1#S

IN1

SO

UT

1D

CD

1#R

I1#

IRR

XIR

TX

C385 100pF

R317 0/X

R409

4.7K

C386 100pF

C402100pF

R259 0/X

C352 100pF

C6220.1uF

C360100pF

C366100pF

NEC9A

10UF/25V_X5R/1206/X

COM6

HEADER5X2_2.0MM

13579

2468

10

C400100pF

R53310K

C364100pF

+ EC14

150uF/35V-SANYO-SMD10

12

43 5

Q48IRF7468PBF

4

51 32

6 7 8

C633

10u/25V 1210

COM5

HEADER5X2_2.0MM

13579

2468

10

PO-SW

WAFER1x4_2.54mm

21

34

R528

4.7K/X

R3394.7/X

R530

4.7K

DC-IN

DC-JACK

1

2

3

R406

4.7K/X

C6060.1uF

R287

8.2M

C6150.1uF

C387 100pF C350 100pF

D23BAT54A 3

1

2

U47HIN213ECA

12141516

76

2021

85

26221924

10

251823274928132

17

13

11

C1+C1-C2+C2-

T1INT2INT3INT4INR1OUTR2OUTR3OUTR4OUTR5OUTEN G

ND

SHDNR5INR4INR3INR2INR1IN

T4OUTT3OUTT2OUTT1OUT

V-

V+

VC

C

C6090.1uF

C634

10u/25V 1210

C271 0.1uF/25V

COM-J4

21

3

C6100.1uF

R407

4.7K

C268

10u/25V 1210D26

RB

050L

-40

12

C617

0.1uF

PWR-S2

V_NB_JP/X

12

C363100pF

NEC9B

10UF/25V_X5R/1206/X

C397100pF

R288

140K

C358100pF

C384 100pF

COM-S1

PINHEADER3X2_2MM_422

1 23 45 6

U18

LTC1778EGN

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

RUN/SS

PGOOD

Vrng

FCB

ITH

SGND

ION

VFB

EXTVCC

VIN

INTVCC

BG

PGND

SW

TG

BOOST

Y3 24MHz

4

1

3

2

VCC

NC

OUT

GND

L15 10UH/SDR127

C273 4.7UF/16V

R399

4.7K

TP21

FS8

1.5A/12VFUSESMD

1 2

U46HIN213ECA

12141516

76

2021

85

26221924

10

251823274928132

17

13

11

C1+C1-C2+C2-

T1INT2INT3INT4INR1OUTR2OUTR3OUTR4OUTR5OUTEN G

ND

SHDNR5INR4INR3INR2INR1IN

T4OUTT3OUTT2OUTT1OUT

V-

V+

VC

C

C399100pF

R289 10K

C291470pF/50V/X

C6240.1uF

C6110.1uF

COM4

HEADER5X2_2.0MM

13579

2468

10

C6160.1uF

C2720.01uF/50V/X

R410

4.7K/X

C405100pF

+ EC9

470u

F/1

6V-N

CC

-DIP

10

12

43 5Q49

IRF7468PBF

4

51 32

6 7 8

C353 100pF

C6270.1uF

R318 0

C349 100pF

C6120.1uF

C361100pF

PWR-S1

V_NB_JP/X

12

C6050.1uF

C253

10u/25V 1210

C38310u/16V 1210/X

C6190.1uF

C635

10u/25V 1210

C626

0.1uF

C401100pF C389 100pF

C6180.1uF

C2650.1uF

C604

0.1uF

L15A4.7UH/SDR124

C290

0.22uF/25V

R286

1M

C3340.1uF

C398100pF

C6070.1uF

C2740.1uF

COM-J3

21

3

BC43

10u/25V 1210

R395

4.7K

C388 100pF

C38210u/16V 1210/X

R263 0

C396100pF

U43

HIN213ECA

12141516

76

2021

85

26221924

10

251823274928132

17

13

11

C1+C1-C2+C2-

T1INT2INT3INT4INR1OUTR2OUTR3OUTR4OUTR5OUTEN G

ND

SHDNR5INR4INR3INR2INR1IN

T4OUTT3OUTT2OUTT1OUT

V-

V+

VC

C

C390 100pF

PTC4A/24VPTC1POLYSWITCH 1 23 4

C6280.1uF

C2850.1uF/50V

+

EC9E47uF/25V-SANYO-SMD/X

R316

0_0805

C365100pF

C351 100pF

C320

0.1uF/50V

NEC9C

10UF/25V_X5R/1206/X

C347 100pF

C298

0.1uF

C284

1000pF/50V

R408

4.7K

C283

100pF/50V

C299

0.1uF

C241

10u/25V 1210

COM3

HEADER5X2_2.0MM

13579

2468

10

FS7

1.5A/12VFUSESMD

1 2

C6250.1uF

R311 33K

C391 100pF

L25

GST-125-1R0-M-DIP

1234

BC441uF/35V

+ EC15

150uF/35V-SANYO-SMD10

12

43 5

C362100pF

C348 100pF

C6140.1uF

NEC9D

10UF/25V_X5R/1206/X

Page 19: ASUS Eee PC 900 Schematic Diagrams

1.0

ATIOSYS

B

19 21Saturday, April 18, 2009

TOUCH

EPC900

Title

Size Document Number Rev

Date: Sheet of

Y+/UR_drive Y+_REF_A

SOUTB_T

X-_FORCE

Y+_FORCE

X-_REF_A

X+/UL_drive

Y-_REF_A

EP_CLK

X-_REF_A

Y-/LL_drive

Y-_FORCE

X-/LR_drive

PEN_IRQ

X+_FORCE

WAIT_TOUCH

UL_FORCE

Y-_REF_A

XY_SEL

X-_FORCE

X+_FORCE

X-/LR_drive X-_REF_A

Y+_FORCE

Y+_REF_A

Y-_FORCE

XY_SEL

REF_HIGHREF_LOW

EP_CS

REF_LOW

Probe

REF_HIGHX+_REF_A

Probe

Y+_REF_A

SINB_T

X+/UL_drive

PEN_IRQ

UL_FORCE

WAIT_TOUCH

X+_REF_A

LR_FORCE

LR_FORCE

Y-_REF_A

X+/UL_drive X+_REF_A

SOUTB_T

SINB_T

TTXD4 18

TRXD4 18

TH-PIN120TH-PIN220TH-PIN320TH-PIN420TH-PIN520

AVCC

DVCC

DVCC

AVCC

DVCC

DVCC

DVCC

AVCC

DVCC

DVCC

VCC3

+V5S DVCC

AVCC

C5260.1uF

FB70 FB_1A

R241

10

FB33 FB120

D9 BAT54SWT1

21

3

C236 0.01uF

R211

10

FB65 FB_1A

Q41

SI1555DL

123 4

56NS1

NG1PD2 PS2

PG2ND1

D13 BAT54SWT1

21

3

R48510K/X

R48110K_1%

R48010K/X

R495 100

R49610K_1%

C229 0.01uF

C5690.1uF

R164

5.1K

RN12 10KX41357

2468

R47910K_1%

R504

10K_1%

D17 BAT54SWT1

21

3

R48210K/X

R494 10K_1%

U36

SR12(ETP-CP-8MB)

123456789

101112

131415161718192021222324

484746454443424140393837

363534333231302928272625

PTC3/ADT8NCPTD0/LBI0VDDOSC1OSC2VSSPTD1/KBI1IRQ1PTD2/KBI2RSTPTD3/KBI3

PTB0/SDA0PTB1/SCL0PTB2/SDA1/TXDPTB3/SCL1/RXDPTD4/KBI4PTD5/KBI5PTD6/KBI6PTC0/PWM0/CDPTC1/PWM1PTC2/PWM2PTA7/T1CH1NC

CGMXFCPTA5/ATD7PTC4/ATD9

PTC5/ATD10PTC6/ATD11

VDDAVSSA

NCPTA4/ATD6PTA3/ATD5PTA2/ATD4PTA1/ATD3

VREFHVREFL

OPIN2/ATD1PTC7/ATD12PTA0/ATDA

VSSAMOPIN1/ATD0PTB4/T2CH0PTB5/T2CH1

PTB6/IRQ2PTA6/T1CH0

PTD7/KBI7

C5360.1uF

R48410K_1%

C535

0.1uF

TPCONTS CON

123456789

10

FB28 FB120

Q39

SI1555DL

123 4

56NS1

NG1PD2 PS2

PG2ND1

C232 47pF

FB27

FB120/X

R212

10K_1%

C233 20pF

D16 BAT54SWT1

21

3

R237 100K

U38

93LC66

1234

5

8CSCLKDIDO

GND

VCC

C56110uF/10V

FB34FB120

Q44

SI1555DL

123 4

56NS1

NG1PD2 PS2

PG2ND1

C198 0.01uFFB26FB120

FB69 FB_1A 32.768KHzY1

14

23

C573

0.01uF

C559 0.1uF

R228

10

LED1

LED_0805_RED

FB35FB120

D12 BAT54SWT1

21

3

C54410uF/10V

FB30

FB120/X

D20 BAT54SWT1

21

3

C211 0.01uF

C578

0.033uF

C190

0.1uF

U10

4053

1213

21

53

61110

9

14

15

4

16

8

7

X0X1

Y0Y1

Z0Z1

INHABC

X

Y

Z

VDD

VSS

VEE

C52510uF/10V

R223

10

R489 10K_1%

C552

0.1uF

R238

10M

C215 0.01uF

R190 10

hexa

inf@

hotm

ail.co

m

Page 20: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

1.0

ATIOSYS

Custom

20 21Saturday, April 18, 2009

LVDS-TTL

EPC900

Title

Size Document Number Rev

Date: Sheet of

A1M

OD14G6

OD23R7

OD15G7

OD03B3

OD10G2

A0M

A3P

CLK1M

OD20R4

LFPDE

A2P

LFPCLK

A1P

OD04B4

OD07B7

LVDSVCC

OD05B5

OD11G3

OD06B6

OD02B2-PD1

OD01B1

OD16R0

OD13G5

CLK1P

LFPVS

OD17R1

OD09G1

OD22R6

OD12G4

A3M

A2MOD19R3

LFPHS

OD08G0

OD00B0

OD21R5

OD18R2

A0P

A2PCLK1P

A1PA3P

CLK1M

A1M

A0M

CLK1P

A1P

A2P

A3PA2M

A0P

A3M OD18R2

OD12G4

OD16R0

OD20R4

OD10G2

OD14G6

OD22R6

OD02B2OD04B4OD06B6

OD00B0

OD08G0

OD15G7

OD19R3OD21R5

OD05B5

OD13G5

OD01B1

OD07B7

OD17R1

OD23R7

OD11G3

OD03B3

OD09G1

A0P

A1MA3M

A0M

A2MCLK1M

LFPHSLFPVSLFPCLK

LFPDE

LA_DATAP16,14

LA_CLKP6,14LA_DATAP26,14LA_DATAP36,14

LA_DATAP06,14

LA_DATAN36,14LA_DATAN26,14

LA_DATAN06,14LA_DATAN16,14

LA_CLKN6,14

USB_PN69,14

USB_PN39USB_PP39

USB_PP69,14

USB_PP59,14USB_PN59,14

ENBKL-LCD14STBLED+ 14HDDLED- 14

RSTIN10,14

TH-PIN5 19

TH-PIN2 19TH-PIN1 19

PSIN# 14,15

TH-PIN4 19TH-PIN3 19

TTL-V

VCC3

VCC3

VCC3

VCC3

+V5S VCC3TLCD-V

+V5S

TTL-V

LVDS_VDD

TLCD-V

+V12_IN

+V5SB

+V5S

FB20 FB_1A

FB17 FB_1A

1uF

C102

0.1uF

C170

FB18 FB_1A

C11810uF/10V

R117 100

0.1uF

C134

TTL

HEADER 15X2_SMD

1 23 45 67 89 1011 1213 1415 1617 1819 202123252729

2224262830

R114 10K

U4 SI44351234 5

678S1

G1S2G2 D2

D2D1D1

FB21 FB_1A

TP15

0.1uF

C172

C10710uF/10V

Q122N7002AG

DS

R86

100K

R98 100

0.1uF

C171

1uF

C127

R85100K

0.1uF

C135

C10610uF/10V

MIX-CON

BOX-HEADER 13X2_2.54mm-DIP

1 23 45 67 89 1011 1213 1415 1617 1819 20212325

222426

0.1uF

C173

C179

10uF/10V

U7

DS90CF384

29

20

32

35

34

38

43

46

36

42

51

2635

27

30

33

7

37

39

45

41

47

535455149

28 44 52

50

6

31 40 48 56

18

2

21

19

17

1615

1413

1211

109

8

25

23

2422

4

R1-01

A3P

R3-03

R5-06

R7-05

G1-08

G3-12

G5-14

GN

D

G7-11

B1-18

CKOUTHS-24VS-25

R0-00

R2-02

R4-04

R6-27

GO-07

G2-09

G4-13

G6-10

B0-15

B2-19B3-20B4-21B5-22B6-16

GN

D

GN

DG

ND

B7-17

DE-26

VC

CV

CC

VC

CV

CC

CLKP

RES23

LVGND

A3M

CLKM

A2PA2M

LVGNDLVCC

A1PA1M

A0PA0M

LVGND

PD#

PLLVCC

PLLGNDPLLGND

GN

D

C1080.1uF

FB24 FB_1A

R105 100

TTL-VHEADER 1X3_2.54mm

13 2

FB19 FB_1A

C188

10uF/10V C111

0.1uF

1uF

C121

R103 100

R101 100

Page 21: ASUS Eee PC 900 Schematic Diagrams

5

5

4

4

3

3

2

2

1

1

D D

C C

B B

A A

(20PPM)

Move out Mini-PCIE

1.0

ATIOSYS

B

21 21Saturday, April 18, 2009

LVDS

EPC900

Title

Size Document Number Rev

Date: Sheet of

LVDS_YBM2

LVDS_YBM1

LVDD1

LVDS_YAM1

LVDS_YBM3

LVDS_YAM3

SDVO_G++

LVDS_YBM0

STALL+

AVDD

LVDS_CLKAM

SDVO_B--

LVDS_YAM2

LVDD2

SDVO_CK++

ENABKL

SDVO_G--

LVDS_YAP0

LVDS_YAP2

DVDD

SDVO_CK--

LVDS_CLKBP

VSWING

SDVO_R++

LVDS_YBP1

LVDS_YAP3

SDVOCLCLKLVDS_YAP1

LVDS_YBP0

LVDS_YAM0

SDVO_R--

SDVOCLDATA

STALL-

LVDS_YBP2

LVDS_CLKBM

LVDS_CLKAP

SDVO_B++

ENAVDD

SDVO_R++SDVO_R--

SDVO_G--SDVO_G++

SDVO_B--SDVO_B++

SDVO_CK--SDVO_CK++

STALL+STALL-

LVDS_YBP3

AVDD_PLL

LVDS_YAM3

LVDS_CLKAM

LVDS_YBP1

LVDS_YBM0

LVDS_YBM2

LVDS_YAP3

LVDS_YBP0

LVDS_YAP1 LVDS_YAM1

LVDS_YAM0

LVDS_YAM2

LVDS_CLKAP

LVDS_YBP2

LVDS_YAP2

LVDS_YBM1

LVDS_YBM3

LVDS_YAP0

LVDS_CLKBP

LVDS_YBP3

LVDS_CLKBM

SDVO_CK+ 6

SDVO_G- 6

SDVO_R+ 6

SDVO_B+ 6

SDVO_R- 6SDVO_G+ 6

SDVO_B- 6

SDVO_CK- 6

PLTRST#3,9,13,15,18

SDVO_ST- 6SDVO_ST+ 6

ENBKL-CH14VDDEN-CH14

SDVO_CRTCLK6SDVO_CRTDATA6

2.5V-L

2.5V-L

2.5V-L

2.5V-L

+V3.3S

+V3.3S

+V3.3S

+V3.3S

+V5S+V5S

+V3.3S

+V5S

LVDS_VDD

LVDS_VDD

LVDS_VDD

LVDS_VDD

C43 0.1uF

L2 FB_1A

C45410uF/10V

R755.6K

12

TP10

C900.1uF

C8710uF/10V

H11 X HOLE9

2345

678

1

C55 0.01uF

H2 X HOLE9

2345

678

1

C44

10uF/10V

C70 0.01uF

H12 X HOLE9

2345

678

1

C468

10uF/16V_1210C750.1uF

L6 FB_1A

L3 FB_1A

H1 X HOLE9

2345

678

1

C72 0.01uF

TP9

C77

10uF/10V

LVDS3

HEADER 10X2-1.27mm-SMD

1 23 45 67 89 1011 1213 1415 1617 1819 20

C49

0.1uF

C57 0.01uF

R70100K/X

C68 0.01uF

H10 X HOLE9

2345

678

1

CH7308

Chrontel

64 pin - LQFP

U1

910

48

45

47

7

282726

6

11

8

12

32

12

42

18 19

45

21 22 3124 2533

3738

36

23

4041

39

3435

17

4344

46

52

1514

20

16

51 50

13

3

49

3029

55 5458 57 5359 5661 60626364SD_PROMSC_PROM

SDVOB_STALL-

RESET*AS

SDVOB_STALL+

SPD

LGN

DLD

C5*

LDC

5

SPC

SD_DDC

AGND_PLL

SC_DDC

VS

WIN

G

ENABKLENAVDD

LDC1

LL2C

*LV

DD

LDC0

LDC

7*LG

ND

DG

ND

LDC

6*LV

DD

LDC3

LL1C*LVDD

LL1C

LDC

6

LDC2*LGND

LDC2

LDC3*LGND

LL2C

LDC1*LVDD

LDC0*

SD

VO

B_R

-

XOXI

LDC

7

DVDD

SD

VO

B_R

+T

ST

3

DGND

AVDD_PLL

DV

DD

LDC

4*LD

C4

SD

VO

B_G

-S

DV

OB

_G+

SD

VO

B_B

-S

DV

OB

_B+

AG

ND

AG

ND

AV

DD

SD

VO

B_C

LK--

SD

VO

B_C

LK+

AV

DD

TS

T2

TS

T1

R7110K_1%

H3 X HOLE9

2345

678

1

C8510uF/10V

H8 X HOLE9

2345

678

1

H6 X HOLE9

2345

678

1

H7 X HOLE9

2345

678

1

R745.6K

12

L5 FB_1A

C61 0.01uF

C630.1uF

C42 0.1uF

C8822pF

LVDS2

HEADER 10X2-1.27mm-SMD

1 23 45 67 89 1011 1213 1415 1617 1819 20

C760.1uF

Y5

14.31818MHz

H9 X HOLE9

2345

678

1

H14 X HOLE9

2345

678

1

C560.1uF

C59

0.1uF

R58100_1%

R41 2.4K

C5410uF/10V

L1 FB_1A

H13 X HOLE9

2345

678

1

Q57APL1581-ADJ / TO252

5

2

3

14

6

VIN

AD

J

VO

SENCTRL

TA

B

C47

0.1uF

C67 0.01uF

C69

0.1uF

C910.1uF

C60 0.01uF

C8922pF

C790.1uF

H5 X HOLE9

2345

678

1

L7 FB_1A

R59100_1%

hexa

inf@

hotm

ail.co

m