pdf: a500 r6 - amigawiki

Amiga

A500_R6Rev.1.37 (02.09.2012)

VCC

Left Right Audio (Audio)LEFT/RIGHT 4

Expansion RAS Select 3BLOBNTSC/PAL Selection 2BLOB

JP3JP4

Keyboard ResetJP2JP1

BLOB 2Memory Addr. C0 vs 08BLOB 7

DESCRIPTIONREF TYPE PAGE

Mem. Exp. Main-BoardCNX RA-56H 3

Expansion Connector 7EDGE86P1

Keyboard ConnectorCN13 SIL-8 6

Internal Floppy Signal 7DIL-34Internal Floppy Power 8SIL-4

CN11CN12

Video Output 5DB23PComposite Video 5RCA-J

CN9CN10

Parallel Printer PortCN8CN7

SQ DIN 8Power Supply ConnectorDB25S 6

External Floppy 7DB23SRS232 Serial Port 6DB25P

CN5CN6

Right Audio OutputCN4CN3

RCA-J 4Left Audio OutputRCA-J 4

Mouse/Joystick 1 2DB9PMouse/Joystick 2 2DB9P

CN1CN2

DESCRIPTION PAGETYPEREF

HY1 asst 5Video Hybrid

TTL 28.63636 MHz NTSCX1OSC altTTL 28.37512 MHz PALOSC 2

DRAM 1Mx1, 150 nSU20-23U16-19

asst 9DRAM 1Mx1, 150 nSasst 3

EIA Line ReceiverU42U39

NE555 7Timer1489 4

BiMOS Op-AmpU38 1488 4EIA Line Driver

TL084 altU14 LF347 4BiMOS Op-Amp

ROM 128Kx16, 200 nSU7-8U6

8520 6Amiga VIA, 1 MHzasst 3

Denise HRU5 5719 2,4Gary

8373 alt

PaulaU4U3

8362 5Denise8364 4

Fat Agnus - PAL8372 altAgnus HR8371 alt

68000 ProcessorU2U1

8370 2Fat Agnus - NTSC68000 2

DESCRIPTIONREF CHIP PAGE

04/27/891 PCB Revision 6a/7 Production GRR

03/03/89Add E Clock Termination880283

DATEDESCRIPTIONECO NUMBER

312007312006C/A500

09/09/88GRR

A PAGE FOR SHARON AND VONNIE TO USEG. Robbins

C/A500 Main Board

C 181

APPR:ENGR:CHKD:

DATEBY:DRAWN

ONUSED ASSYNEXT

OFSHEETSCALE

SIZE

Commodore

REV

04/27/89

"Rock Lobster"

PATH: /USER/B52_LIB/ROCK_LOBSTER_REV6.X SHEET1

ECO Log

Revision History

ATTEMPT TO FORCE NODE NUMBERS VIA SEQUENCE

Key Components

Jumpers and Stuff Connectors

Signal Glossary

Schematic A500 R6a/7

A500 Rev 6a/7 PCB

+12V-12V +VID

AUDIO EXP

+5X +12X

Expansion/Tick OptionJP8JP7

BLOB 6Light Pen Port SelectBLOB 3/6

Genlock Clock Select 2BLOB7MHz Clock Option 7BLOB

JP5JP6

TTL vs RS170 Comp Sync 5BLOBJP11JP10 BLOB 4RS232 Audio I/O Cutout

see schematic 312511-01

- For older Revision 3/5 boardsREV DATEDESCRIPTION MANAGERAPRVL

Upper / Lower Data Strobes (68000) 2,7LDS/UDSLED Power On LED / Audio Filter Disable 4,6

Keyboard Data (Keyboard)6Keyboard Reset (Keyboard)KBRESETKBRESET

KBDATA 6

Interrupt Priority Level (68000) 2,4,7IPL[2:0]KBCLOCK Keyboard Clock (Keyboard) 6

Interrupt Request (Chips)6,7I/O ResetIORESET

INT[2,3,6] 2,4,6,7

Horizontal Sync (Video)6,7Index Pulse (Floppy)INDEX

HSYNC 2,5,6

Fire Button 0/1 (Joysticks) 2,5,6FIRE0/1HLT Processor Halt (68000) 2,7

Expansion Present / RTC Tick2,7Function Code (68000)FC[2:0]

EXTICK 2,3

Data Terminal Ready (RS232 Port) 6DTRE Peripheral Enable Clock (68000) 2,6,7

Data Set Ready (RS232 Port) 6DSRDTACK Data Transfer Acknowledge (68000) 2,3,7

DRAM Address Bus (DRAM)2,3,4,5DRAM Data Bus (DRAM)DRD[15:0]

DRA[8:0] 2,3

Disk Write Enable (Floppy) 4,7DKWEDMAL Chip DMA Request Line (Chips) 2,4

Disk Read Data (Floppy)4,7Disk Write Data (Floppy)DKWD

DKRD 4,7

Processor Data Bus (68000)6,7Step Direction (Floppy)DIR

D[15:0] 2,3,6,7

Composite Sync (Video) 2,5CSYNCCTS Clear to Send (RS232 Port) 6

Read-Time Clock Read / Write (RTC)5Monochrome Composite Video (Video)COMP

CLKRD/WR 2,9

7.15909 MHz Quadrature Clock (Chips) 2,5,7CDACCHNG Media Change (Floppy) 6,7

Column Address Strobe (DRAM) 2,3CASL/UCCK/CCKQ Color Clock / Quadrature (Chips) 2,4,7

Bus Request (68000)6Device Busy (Parallel Port)BUSY

BR 2,7

Blitter Slowdown (Chips) 2BLISSBLIT Chip Memory Access (Chips) 2,7

Bus Grant (68000)2,7Bus Grant Acknowledge (68000)BGACK

BG 2,7

Audio Output (RS232 Jack) 4,6AUDOUTBEER Bus Error (68000) 2,7

Address Strobe (68000) 2,7ASAUDIN Audio Input (RS232 Port) 4,6

Processor Address Bus (68000) 2,3,7A[23:1]ACK Data Acknowledge (Parallel Port) 6

28.63636 MHz Master Clock 228MHZ7MHZ 7.15909 MHz Processor Clock 2,5

DESCRIPTION (AREA) PAGESSIGNAL

External Data ReadyXRDY 2,5

External Genlock Clock (Video) 2,5XCLKXCLKEN External Clock Enable (Video) 2,5

Write Enable (DRAM)6,7Write Protect Sense (Floppy)WPROT

WE 2,3

Valid Peripheral Address (68000) 2,7VPAVSYNC Vertical Sync (Video) 2,5,6

Transmit Data (RS232 Port) 4,6TXDVMA Valid Memory Address (68000) 2,6,7

Step In/Out Command (Floppy)6,7Track Zero Sense (Floppy)TRK0

STEP 6,7

Drive Select (Floppy) 4,6,7SEL[3:0]SIDE Side Select (Floppy) 6,7

Processor Read/Write (68000)6Select (Parallel Port)SEL

RW 2,6,7

Processor Reset (68000)4,6Receive Data (RS232 Port)RXD

RST 2,4,7

ROM Enable (ROM) 2,3ROMENRTS Request to Send (RS232 Port) 6

Red / Green / Blue (Video)6Ring Indicate (RS232 Port)RI

R/G/B 5

General Reset 6,7RESETRGA[8:1] Register Address Bus (Chips) 2,4,5

Row Address Strobe (DRAM) 2,3RAS0/1RDY Drive Ready (Floppy) 6,7

RAM Enable (Chips)2Chip Register Enable (Chips)REGEN

RAMEN 2

Paper Out (Parallel Port) 6POUTPPD[7:0] Parallel Port Data (Parallel Port) 6

Pot Lines 0 X/Y (Joysticks)4,5Pot Lines 1 X/Y (Joysticks)POT1X/1Y

POT0X/0Y 4,5

Override System Decoding5Genlock Pixel Switch (Video)PIXELSW

OVR 2,7

Mouse 1 Quadrature V/H (Joysticks) 5M1V/M1HOVL Overlay ROM over RAM 2,6

Motor On - Drive 0 (Floppy)5Mouse 0 Quadrature V/H (Joysticks)M0V/M0H

MTR0 4,6,7

Light Pen Trigger (Joysticks) 2,6LPENMTR Motor On (Floppy) 4,6

DESCRIPTION (AREA)SIGNAL PAGES

© rebuild for www.amigawiki.org · for private use only

Rev.1.37 (02.09.2012)

_CLKRD

_CASU

_VSYNC

OVL

_CLKWR

_RAS0

_VMA

_HSYNC

XRDY

_EXTICK

_RAS1_WE

_LPEN

_DTACK

_ROMEN

_INT3

CCKQ

A(20)

_LDS

_VPA

_CDAC

7MHz

R_W

_CASL

_CSYNC

DRA(8:0)

DMAL

_OVR

_HLTRGA(8:1)

CDAC

_CCKQ

_CCK

CCK

_CCK_A

_RST

_CCK_B

_UDS

_AS

A(23:1)

_BR

DRD(15:0)

D(15:0)

_XCLKEN

_BG

E7MHz

XCLK

_BEER_BGACK

_IPL(2:0)

_FC(2:0)

7MHz_A

4.7Kx9

RP102

E103

47pF

XR1

68*

See Note Above!

470x7

RP104 GARY

5719

CONTROL FUNCTIONS

U5

FLOPPY FUNCTIONS

68

R114

R106

47

E106

47pF

E107

47pF

47pF

E108

U1MC68000

VCC

JP5 JP5 JP5B

150

FB101

VCC

VCC

74LS244

U10

74LS244

U12

JP5C

4.7Kx9

RP102

74LS373 U11

74LS373 U13

RP104

470x74.7Kx9

RP101

U3374F04

VCC

R101

27

27

R102

8372

U2

Agnus HR

U33

74F04

74F04

U33

74F04

U33

"Rock Lobster"

04/27/89

REV

Commodore

SIZE

SCALE SHEET OF

NEXT ASSYUSED ON

DRAWN BY: DATE

CHKD:ENGR:APPR:

2 81C

C/A500 Main Board

G. Robbins

PROCESSOR AND OTHER USEFUL COMPONENTS

GRR 09/09/88

C/A500 312006 312007/USER/B52_LIB/ROCK_LOBSTER.REV6.X SHEET2PATH:

A23 -> C00000 (default), A19 -> 080000JP2 controls where expansion ram maps to:

and may be loaded with funny things...Note: Various components are for EMI Control

04/27/89Rock Lobster

XR1 is added to some boards per ECO 880283


A500 Rev 6a/7 PCB

VCC

RP103

39

39

RP103SPARE

RP104

470x7

Note: PAL uses 28.37516 MHz

28.63636MHzOSCILLATOR

X1

R11347

68R112

VCC

R11168

4.7Kx9

RP101

47

R105R103

47 47

R104

JP2

JP4

39

RP103

RP103

39

RP103

39

VCC

E104

68

68

E105

R10747

1010

3 2

9

_OEB4

_LATCH25

_OEL3

R/W12

_LDS10

_UDS11

CCK

28

_CDA

C26

_BGACK14

_HLT42

_VPA2

_RST41

_ROMEN 21

XRDY 31

OVL 30

_OVR 29

A2238

A2137

A2036

7

4,7

A1834

6

21

7

7

A1733

A2339

_AS13

_RAM

EN20

_REG

EN18

_CLKWR 23

_CLKRD 22

_BLI

SS19

CCKQ

27

A1935

_DTACK43

_BLI

T15

_EXRAM 32

123456789

1011121314151617181920212223

01234567

01234567

89101112131415

89101112131415

2Y19

2A111

1Y314

1A36

2Y43

2A417

1Y118

1A12

2Y27

2A213

1Y412

1A48

1Y216

1A24

2Y35

2A315

_OE2

19_O

E11

1Y118

1A12

2Y27

2A213

1Y412

1A48

1Y216

1A24

2Y35

2A315

2Y19

2A111

1Y314

1A36

2Y43

2A417 _O

E219

_OE1

1

3,6

5 41

8 7

2,3,6,7

D7 17Q716

D5 13Q512

D1 3Q12

D3 7Q36

D8 18Q819

D6 14Q615

G_EN

11

O_C

1

D4 8Q49

D2 4Q25

D1 3Q12

D6 14Q615

D4 8Q49

D2 4Q25

D7 17Q716 G_EN

11

O_C

1

D5 13Q512

D3 7Q36

D8 18Q819

6 5 4 31

01234567

01234567

89

101112131415

89

101112131415

91

10 5 6 7

1 2

21

8 3

0123456789101112131415

123456789101112131415161718

19

23

17181920212223

41

12

109

8 71

2

1 2

7

7

7

3

5

11 10

6

12345678

012345678

65

1

5

43

87

43

91

2 1

321

321 4

4

5

5,6

5,6

6

7

4,5

3

3

3

3

3

3

5

4,5

4

215

3

3

3

7

6

7

3,4,5

3,6,7

2,3,6,7

51213

A160

7

6,7

7

7

7

7

4,7

21

OUT 3

A261A362A463A564

1 2

21

1 2

1 2

A665A766

012

012

A867A968A1069A1170A1271A1372A1473A1574A1675A1776A1877A1959

DRD1583

DRD1484

DRD131

1

12

12 2

1

21

21

2

D0 5D1 4D2 3D3 2D4 1D5 64D6 63D7 62D8 61D9 60

D10 59D11 58D12 57D13 56D14 55D15 54

_RST18

_HLT17

_IPL223_IPL124_IPL025

_BR13

_BG11

_BGACK12

_BEER22

FC226FC127FC028

CLK15

E20

_DTACK10

_VMA19

_VPA21

_AS6

R/_W9

_UDS7

_LDS8

A23 52A22 51A21 50A20 48A19 47A18 46A17 45A16 44A15 43A14 42A13 41A12 40A11 39A10 38A9 37A8 36A7 35A6 34A5 33A4 32A3 31A2 30A1 29

1514131211109876543210

3

4

21

1 2

4

3

DRD122

DRD113

DRD104

DRD95

DRD86

DRD77

DRD68

DRD59

DRD410

DRD311

DRD212

DRD113

1 2

DRD014

7MHz 38

RGA1 33RGA2 32

5

RGA3 31RGA4 30RGA5 29RGA6 28RGA7 27RGA8 26

_NTSC/PAL41{TEST,14M}

_RAS0 57

_RAS1 56{,DRA9}

_CASL 54

_CASU 55

_WE 21

_LPEN 78

_CDA

C37

XCLK35{,A20}

_XCLKEN36

_CSYNC 80

_VSYNC 79

_HSYNC 81

DRA0 43DRA1 44DRA2 45DRA3 46DRA4 47DRA5 48DRA6 49DRA7 50DRA8 51

_LDS52

_UDS53

R/W22

_AS24

_RESET16

_REG

EN23

_RAM

EN25

_BLI

SS19

_BLI

T20

CCK40

CCKQ

39

DMAL 18

_INTR 1728MHz34

6,7

7

6,7

7

7

7

1

3

2

2 1


Rev.1.37 (02.09.2012)

_CASL_CASU_RAS0_RAS1_WE

_CLKWR_CLKRD

DRA(8:0)

A(23:1)

_CCK_A

DRD(15:0)

D(15:0)

_EXTICK

D(15:0)

A(23:1)

_ROMEN

U3474F244

U3574F244

47pF

E102

JP3B

+12V

"Rock Lobster"

04/27/89

REV

Commodore

SIZE

SCALE SHEET OF

NEXT ASSYUSED ON

DRAWN BY: DATE

CHKD:ENGR:APPR:

3 81C

C/A500 Main Board

G. Robbins

MEMORY AND...WELL, I USED TO REMEMBER

GRR 09/09/88


Note: JP3 swaps internal vs. expansion ram


A500 Rev 6a/7 PCB

CNXCNX CNX1VCC

-12V

JP3JP3

JP7A

U19

XX4256-15

XX4256-15

U23

U18

XX4256-15

XX4256-15

U22

U17

XX4256-15

XX4256-15

U21

U16

XX4256-15

RAM

XX4256-15

U20

R2014.7K 4.7K

R202

Mbyte ROM

ROM

62402

U6

VCC

RP1114.7Kx9*4.7Kx9*

RP109

Note: RP105-RP111 are optional internal bus termination, and are not normally loaded.

RP1084.7Kx9* 4.7Kx9*

RP110

4.7Kx9*RP105 RP106

4.7Kx9* 4.7Kx9*RP107

68RP201

SPARE

RP202 68

68RP202

RP202 68

68RP202

RP201 68

68RP201

RP201 68

68RP201

RP202 68

68RP203

RP203 68

68RP203

RP203 68

RP203 68

VCC

VCC

VCC

VCC

VCC

VCC

VCC

VCC VCC

2,3,6,7

2,3,6,7

2A417

2A315

2

2

2

2

2

2

2

2

2A213

2

2,4,5

2A111

1A48

1A36

8

7

6

5

4

3

2

1

0

1 2

8

7

6

5

4

3

2

1

0

8

7

6

5

4

3

2

1

0

3

2

1

0

5

4

3

2

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

1A24

1A12

2Y4 3

2Y3 5

2Y2 7

2Y1 9

1Y412

1Y314

1Y216

1 2

1Y118_O

E11

_OE2

19_O

E219

_OE1

1

1Y112

1Y216

2,6

3

12

1Y314

1Y418

2Y1 9

2Y2 7

31

15

47

5

25

37

3

21

33

53

9

51

1

19

43

39

29

49

13

23

7

35

17

45

27

11

41

55

16

32

40

48

20

42

26

38

22

54

34

4

10

30

14

2

52

44

24

8

50

18

28

12

46

6

36

56

2Y3 5

2Y4 3

1A18

1A24

1A36

1A42

2A111

2A213

2A315

2A417

21

15

14

13

12

11

10

9

8

7

6

5

4

3

2

1

0

8

7

6

5

4

3

2

1

0

876543210

876543210

3

12

1 0

12

2

2,3,6,7

2,3,6,7

2

7 5 4

123456789101112131415161718

6

_OE12

_CS10

D0 13D1 15D2 17D3 19D4 22D5 24D6 26D7 28D8 14D9 16D10 18D11 20D12 23D13 25D14 27D15 29

A17*1

A1632

A840A939A1038A1137A1236A1335A1434A1533

A72

A63

A54

A45

A36

A27

A18

A09

WORD/_BYTE 31

11 9 8 10

0123456789

101112131415

15 13 12 14

nc5

_OE16

_RAS4

A815

D318

D11

_CAS17

_WE3

A714

A613

A512

A411

A39

A28

A17

A06

D22

D419

nc5

_OE16

_RAS4

A815

D318

D11

_CAS17

_WE3

A714

A613

A512

A411

A39

A28

A17

A06

D22

D419

nc5

_OE16

_RAS4

A815

D318

D11

_CAS17

_WE3

A714

A613

A512

A411

A39

A28

A17

A06

D22

D419

nc5

_OE16

_RAS4

A815

D318

D11

_CAS17

_WE3

A714

A613

A512

A411

A39

A28

A17

A06

D22

D419

nc5

_OE16

_RAS4

A815

D318

D11

_CAS17

_WE3

A714

A613

A512

A411

A39

A28

A17

A06

D22

D419

nc5

_OE16

_RAS4

A815

D318

D11

_CAS17

_WE3

A714

A613

A512

A411

A39

A28

A17

A06

D22

D419

nc5

_OE16

_RAS4

A815

D318

D11

_CAS17

_WE3

A714

A613

A512

A411

A39

A28

A17

A06

D22

D419

nc5

_OE16

_RAS4

A815

D318

D11

_CAS17

_WE3

A714

A613

A512

A411

A39

A28

A17

A06

D22

D419

139 15115 71 3 0 2 4 6 8 10 12 141

1098765432

11098765432

1415 1213 10 811 9 432105679 10 11 12 13 14 15 16 12345687

11098765432

11098765432

2 3 4 5 6 7 8 9 101

2 3 4 5 6 7 8 9 101 1

1098765432

17181920212223

21

34

56

78

910

910

78

56

34

12

87

65

21

43

109


Rev.1.37 (02.09.2012)

_INT3

_TxD

RIGHT

_MTR0

_SEL0

_INT6

_LED

_RxD

DMAL

CCKQ

_MTR

AUDIN

_DKWDB

POT1YPOT1XPOT0Y

_MTRX

CCK

_RST

POT0X

LEFT

_DKRD

_INT2_IPL(2:0)

RGA(8:1)

_KBRESET

RIGHT

LEFT

DRD(15:0) _DKWEB

AUDOUT

PAULA

U3

8364

Note: Ground interconnection near audio jacks.

FB802FB

R3051K

U38

1488

AUDIO

10K

R306

C311

0.047uF

+AV

R3072.7K

2N3906

Q301

0.047uF

C312

-AV

+AV

10K

R308

C313

0.047uF

AUDIO

0.01uF

C308

10K

R339

AUDIO

0.047uF

C314

AUDIO

AUDIO

FLOPPY

GARY

U5

FUNCTIONS

5719

Vref

Vref

/TL084LF347

U14

AUDIO FILTERS

/TL084

U14LF347

R321

360

C321

0.1uF

360

R3310.1uF

C331

U3674LS38

74LS38U36

U3674LS38

74LS38U36

10K

R322

R332

10K

MPF102Q321

Q331 MPF102

C322

6800pF

6800pF

C332

R32310K

10KR333

AUDIO

3900pF

C323

AUDIO

C333

3900pF

/TL084

U14LF347

/TL084LF347

U14

PAULA POWER!

U3

U14

-12V

+12V

10R302

R30110

C324 22uF

0.33uF C325

22uFC334

C3350.33uF

0.33uF

C3

C302

0.33uF

0.33uF

C301

1K

R324

R334

1K

470uF

C307

C304

22uF

22uF

C303

"Rock Lobster"

04/27/89

REV

Commodore

SIZE

SCALE SHEET OF

NEXT ASSYUSED ON

DRAWN BY: DATE

CHKD:ENGR:APPR:

4 81C

C/A500 Main Board

G. Robbins

PAULA DOES THINGS THAT DENISE DOESN'T

GRR 09/09/88

C/A500 312006 312007PATH: /USER/B52_LIB/ROCK_LOBSTER.REV6.X SHEET4

Note: LED off, Filters bypassed


A500 Rev 6a/7 PCB

AUDIO

AUDIO

390R325

R335390

AUDIO

1KR304

R3031K

-AV

AUDIO

+AV

EMI

E302

6800pF

EMIE303

6800pF

0.33uF

C305

470KR336

C306

10uF

Vref

R326470K

JP10B

JP10A

R3091

RIGHTRCA JACK

CN3

LEFTRCA JACK

CN4

270pF

E305FB

FBE306

270pF

VCC

VCC

RP50110K VCC

VCC

2,7

2

2,5

2

2,3,5

4,7

2,5

12345678

0123456789101112131415

012

A_Gnd 34

_DKWD 38

DKWE 39

DRD1344

LEFT 31

DRD81

RIGHT 30

DRD36

_DKRD 37

RGA720

P0X 32RGA225

_INT6 18

_IPL215

DRD1542

DRD1047

DRD54

_RESET11

DRD010

CCK28

P0Y 33

P1X 35

P1Y 36

RGA423

_IPL013

DRD1245

DRD72

DRD27

CCKQ29

RGA621

_TXD 40

DMAL12

RGA126

DRD1443

DRD948

DRD45

RGA819

_RxD 41

RGA324

_IPL114

_INT2 16

DRD1146

DRD63

DRD19

RGA522

_INT3 17

6

21

32

7

6

6

6,7

2

6,7

1 2

21

23

6,7

6

6,7

3

2

1

12

6

6 5

12

6

3

5

2

12

12

21

12

_SEL16

MTRX 47

_KBRESET5

DKWDB 45

_DKWD9

MTRON 46

DKWEB 44DKWE8

_MTR7

5

5

5

5

-13

14

+12

-98

+10

1 2

1 2

1 2

1 2

1113

12

108

9

65

4

23

1

1 2

1 2

G3

D

1

S

2

G3

D

1

S

2

12

12

1 2

1 2

7

7

6,7

7

12

12

-21

+3

-67

+5

Vcc1

27Gnd1

8V-

11V+

41

22

1

-

2

+

1

21

+

1

-

2

1 2

21

12

21

1 2

21

+1

-2

- 2

+ 1

+ 1

- 2

12

21

3

1 2

3

1 2

12

6

12

12

-2

+1

21

2 1

1 2

12

21

21

21

SHIELD4

SIGNAL1

SHIELD4

SIGNAL1

4

1 2 3

321

4

51


Rev.1.37 (02.09.2012)

_CCK_C_CCK

DI

POT0Y

HSYNC

B

POT0X

CSYNC

_CDAC

POT1Y

_HSYNC

G

DR

_FIRE0

POT1X

+5

7MHz_A

R

DG

+12

PIXLSW

_FIRE1

_XCLKEN _XCLKEN

_CCK_B

DB

-5v

CCK

GND

GND

GND

GND

GND

DGND

VSYNC_VSYNC

DRD(15:0)

_CSYNC

XCLK XCLK

RGA(8:1)

_CCK_CPIXLSW

PIXLSW

U4

47RP402

C4

0.22uF

+VXX

R406

4.7C402

3300uF

C40347pF

U400.33uF

C40U41

C41

0.33uF

+VID

VCC

U41

74HC245

U40

74HC245

+VID

C401

3300uF

4.7

R405

DENISE HR

U4

8373

R4034.7K

JP11

VCC

RP402 47

74LS157

U15

47RP402

RP402 47

R4024.7K

E414 EMI46800pF

E413 EMI46800pF

E412 EMI46800pF

E411 EMI46800pF

COMPOSITE

CN10RCA JACK

E435 FB

RIGHT JOY

DB9PCN2

LEFT JOYCN1

DB9P

VCC

E433 FB

E432 FB

E431 FB

C422

1000pF

1000pF

C412

VIDEO

CN9

DB23S

1000pF

C423

C413

1000pF

312007312006C/A500

09/09/88GRR

DENISE IS PRETTY MUCH INTO VIDEO...G. Robbins

C/A500 Main Board

C 195

APPR:ENGR:CHKD:

DATEBY:DRAWN

ONUSED ASSYNEXT

OFSHEETSCALE

SIZE

Commodore

REV

04/27/89

"Rock Lobster"

with EMI fliters, ferrite beads or resistors!

Note: Components designated as Exxx may be loaded

PATH: ~b52_lib/rock_lobster.rev6 sheet5


A500 Rev 6a/7 PCB

Note: R409 Controls Composite output

R409150

level for 390229-01 Hybrid.

C421

1000pF

1000pF

C411

Note: RP405 Not Used

*

RP405

VCC

RP403 47RP402 47

47RP403

RP4014.7Kx9

VCC

E405 EMI4 0.01uF

E404 EMI40.01uF

E403 EMI40.01uF

0.01uF

E406

EMI

E402EMI4

150pF

+VXX

+12V

-12V

EMIE434

150pF

RP403 47

47RP403

RP403 47

VCC

R4084.7

4.7R401

470pFEMI4

E415

0.01uFEMI4

E401

470pFEMI4

E416

470pFEMI4

E417

470pFEMI4

E425

0.01uFEMI4

E408

470pFEMI4

E426

470pFEMI4

E427

6800pFEMI4E421

6800pFEMI4E422

6800pFEMI4E423

6800pFEMI4E424

E442 EMI4 470pF

E444 EMI4 470pF

E443 EMI4 470pF

E441 EMI4 470pF47pF

E109

VCC

ANNEX

HY1ACOLOR

HYBRID

HY1

VIDEO

HY1

Note: Pin 2 and 21 of HY1 connected internallyNote: Pin 2 and 21 of HY1 connected internally

HY1A

+12V

Vcc1

19Gnd1

37

109

43

2

2

2

2,4

2,4

2,3,4

2

12

1 2

12345678

0123456789101112131415

+1

-2

65

21

87

6

B3 27

B2 26

B1 25

B0 24

G0 28G1 29G2 30G3 31

R0 20R1 21R2 22R3 23

PIXELSW 33

BURST 18

M1V 39

M1H 8

M0V 38

M0H 9

7M35

CCK36

DRD847DRD946DRD1045DRD1144DRD1243DRD1342DRD1441DRD1540

DRD07DRD16

DRD34

DRD25

DRD43DRD52DRD61DRD748

RGA810

RGA711

Vcc1

20Gnd1

10

12

Vcc1

20Gnd1

10

12

RGA612

RGA513

RGA414

RGA315

12

3

5

B3 15B2 16B1 17B0 18

B7 11

A57 B5 13

_OE

19

A79A68 B6 12

B4 14

A24

DIR

1

A13

A35

A46

A02

B4 14

B5 13

B6 12

B7 11

B0 18

B1 17

B2 16

B3 15

_OE

19

DIR

1

A46

A35

A68

A02

A24

A57

A79

A13

12

2

4

RGA216

RGA117

_CDAC34

BLANK32

2 1

- 2

+ 1

2 1

3

3

12

21

4

3

21

4

3

21

4

34

1Y4

2Y7

3Y9

4Y12

4B 13

2B 6

1B 3

2A 5

1A 2

3A 11

3B 10

4A 14

G15

S1

21

3

21

3

2

2

2,6

2,6

1 2 3

SIGNAL1

SHIELD43

21

153426

109

21

34

19786534210

87

65

21

GATE2

BURST1

66

99

88

77

55

44

33

22

11

66

9955

88

77

11

44

33

22

3

1 23

1 23

1 2

21

12

1515

2020

1919

1818

1717

1616

1313

1010

11

1212

2121

77

22

2222

88

331414

2323

99

44

55

1111

66

12

12

21

12

12

4

3 124

3 124

3 12

4

4

2

4

4

6

12

21

2 13

42 13

4

2 13

42 13

4

2 13

42 13

4

2 13

42 13

4

21 3

421 3

421 3

421 3

4

4

3 12

4

3 12

4

3 12

4

3 12

21

SYNC 20

B016B115B214B313

G38

G29

G110

G011

R33

R24

R15

R06

CSYNC18

AR 7

AG 12

AB 17

COMP 19

Gnd1

1

Gnd2

22

Vcc12

Vcc221

V+3


Rev.1.37 (02.09.2012)

_WPROT

AUDIN

_MTR

_KBCLOCK

_SIDE

R_W

_VMA

_CHNG

_FIRE1

_KBDATA

_SEL0

_LED

_FIRE0

_KBRESET

AUDOUT

_SEL1_INT6

_LED

_HSYNC

OVL

_TxD

_RDY

_VSYNC

_SEL2

_INT2

_KBCLOCK

_STEP_RESET

_RxD

_TRK0

_MTR0

_SEL3

_INDEX

_IORESET

PPD(7:0)

E

_KBDATAD(15:0)

DIR

A(23:1) _LPEN

_EXTICK

U37

74LS32

U37

74LS32

U8

8520

U7

8520

2N3904Q501

E524100pFEMI

E523100pFEMI

E522100pFEMI

EMI100pF E521

E519100pF

EMI

E518100pF

EMI

E517100pF

EMI

E516100pF

EMI

E515100pF

EMI

E514100pF

EMI

E513100pF

EMI

E512100pF

EMI

E511100pF

EMI

R50110K

D501

1N914

U381488

U38

1488

U381488

R502

2.7K

PARALLEL PORT

CN7 DB25S

U39 1489

U39 1489

U39 1489

U39

1489

R50610K

10KR505

R504

4.7K

4.7K

R503

E520

470pFEMI

Note: E501-503 are loaded with 47 Ohm 1/2 W resistors

47

E501

-12V

+12V

2N3906

Q503

Q502

2N3906

E536

470pFEMI

E535

470pFEMI

E537

470pFEMI

47E50347E502

E533

470pFEMI

E534

150pFEMI

E532

150pFEMI

RS232DB25P

CN6

312007312006C/A500

09/09/88GRR

RS232, PARALLEL PORT AND KEYBOARDG. Robbins

C/A500 Main Board

C86

APPR:ENGR:CHKD:

DATEBY:DRAWN

ONUSED ASSYNEXT

OFSHEETSCALE

SIZE

Commodore

REV

04/27/89

"Rock Lobster"

1

PATH: /USER/B52_LIB/ROCK_LOBSTER.REV6.X SHEET6


A500 Rev 6a/7 PCB

RS232 DECOUPLING

U39

E538

470pFEMI

E531

470pFEMI

C39

0.33uFU38

C502

0.33uF

C501

0.33uF

KEYBOARD CONNECTOR

CN13

8-PIN SIL

VCC

JP7B+12V -12V

R507100

VCC

RP50110K

10KRP501

10KRP501 VCC

VCCRP50110K

10KRP501 VCC

JP8

VCCRP50110K

VCC

VCC

VCC

VCC

VCC

VCC

2,3

2,3,7

7

2,5

4,7

2,7

2,7

2,7

2

4,7

13

891011

12

891011

64

5

13

2

89101112131415

01234567

RS137

PA7 9

PB1 11

D231 _F 24

E25

D726

PB6 16

PA1 3

C 40

S 39

PA0 2

PA6 8

_RESET34 PB0 10

D033

D528

PB5 15

_CS23

RS236 PA5 7

TICK19

PA3 5

D330

_INT21 PB4 14

RS038

D132

PB3 13

D627

RS335

_W22

PB2 12

D429

PB7 17

_PC 18

PA2 4

PA4 6

S 39

E25

D627

PB3 13

D132

RS038 PA4 6

C 40

_RESET34

_INT21 PB4 14

D330

TICK19

RS236 PA5 7

_CS23 PA0 2

PB5 15

D528

D033

PB0 10

PA6 8

PA1 3

_PC 18

PB6 16

D726

D231

PB1 11

PA7 9

RS137

PA2 4

_W22 PB7 17

D429

PB2 12

RS335

PA3 5

_F 24

2

0

1

2

3

4

5

6

7

7

7

7

4,7

7

7

7

6

2

4,6

7

7

7

7

5

5

1

7

7

6

5

4

3

2

1

0

2

1

3

3

213

1 23

1 23

21

3

1 23

1 23

1 23

1 23

1 23

1 23

1 23

1 23

1 2

12

4

4

21

56

4

10

98

1112

13

4,7

4,6

14 _AUTO

4D2

25

24

23

22

21

20

19

18

17 SELI

9D7

11BUSY

3D1

8D6

12POUT

13SEL

2D0

7D5

1_STROBE

16 _INIT

6D4

5D3

15 _ERR

10_ACK

8 10

9

46

5

11 13

12

3 1

2

12

12

1 2

1 2

3

1 2

3 12

4

1

3

2

1

3

2

1 2

3

1 2

3

1 22

3

21 3

4

21 3

4

1 2

3

3

1 2

1 2

3

7

22 RI

20 DTR

5CTS

9+V

4RTS

10-V

6DSR

11AO

2TxD

8CD

18 AI

19 sRTS

25 BZ

24 CLK

23 SS

21 SQD

17 RxC

13sCTS

12sCD

16 sRxD

15 TxC

14 sTxD1FG

7SG

3RxD

4,7

Gnd1

7Vcc114

1

12

1 2

1 2

STATUS 7

+5 4

GROUND 6

RESET 3

INUSE 8

DATA 2

CLOCK 1

KEY 5

4

4

Vcc2

1

Vcc114

Gnd1

7

21

3

2

3

2

2 1

3

8

2

19

1

21

3 21

3

21

71

6 41

101


Rev.1.37 (02.09.2012)

XRDY_OVR

_INDEX

E

_BR

_MTRX

_SEL0

_DKRD

7MHz

_DKWDB

_LDS

_KBRESET

_INT2

_SEL2

_WPROT

_SEL1

_STEP

R_W

_RESET

_CHNG

_SIDE

_INT6

_IORESET

_TRK0

DIR

_DTACK

_WPROT

_CONFIG

_CHNG

_MTR0

_DKWEB

_CCKQ

_SEL3

_BGA(23:1)

_BEER

_RDY

_TRK0

_IORESET

_AS

_RST

_RDY

D(15:0)

_HLT

_DKWDB

_VMA

DIR

_CCKCDAC

_SEL1

_BGACK

_VPA_INDEX

_SIDE

_DKWEB

_IPL(2:0)

_UDS

_DKRD

_FC(2:0)

_RST

_STEP

C711

0.1uF

R7111M

C712

10uF

47KR712

E616100pF EMI

E615100pF EMI

E614100pF EMI

E613100pF EMI

E612100pF EMI

E611100pF EMI

0.01uF

C713

U42

NE555

EXTERNAL FLOPPY

DB23S

CN5

U42 R713

1K

0.33uF

C42 2N3904

Q711

E601EMI4

0.01uF

E602EMI4

0.01uF

E626100pFEMI

E625100pFEMI

E624100pFEMI

E623100pFEMI

E622100pFEMI

E621100pFEMI

E620100pFEMI

E619100pFEMI

E618100pFEMI

E617100pFEMI

+12V

POWER UP RESET

U37

74LS32INTERNAL FLOPPY

CN11

CN11

CN11B

U37

74LS32

JP6

VCC

EXPANSIONP1A

P1P1B

"Rock Lobster"

04/27/89

REV

Commodore

SIZE

SCALE SHEET OF

NEXT ASSYUSED ON

DRAWN BY: DATE

CHKD:ENGR:APPR:

7 81C

C/A500 Main Board

G. Robbins

FLOPPY DISK AND EXPANSION CONNECTORS

GRR 09/09/88



A500 Rev 6a/7 PCB

E7040.01uF EMI

E7030.01uF

EMIE702

0.01uFEMI

VCC

+12V

-12V

47pF

XC1XC2

47pF

XC3

47pF

VCC VCC

VCC

JP1

VCC

4,7

6,7

OUT 3

DISCH7

6,7

6,7

6

4

THRESH6

TRIG2

3

213

1 23

1 2

3

1 23

1 2

_RST

4

VC 5

77

66

55

44

33

2323

2_RD 2

16 _WE16

21 _SEL121

1212

1_RDY 1

15 _TRK015

20 _SEL320

14 _WPROT14

19 _DIR19

13 SIDE13

18 _STEP18

9_SEL2 9

17 _WD17

8_MTRX 8

22 _INDEX2210_RESET 10

11_CHNG 11

Gnd1

1Vcc1

8

1 22

1

3

3 2 1

4

3 12

4

2 1

3

2 1

3

2 1

3

2 1

3

2 1

3

2 1

3

2 1

3

2 1

3

2 1

3

2 1

3

3

1

4,6

6,7

6,7

6

6,7

6,7

4,7

4,7

6,7

6,7

6,7

6,7

6,7

4,7

6,7

6,7

4,7

4,7

6,7

6,7

4

6,7

4,6,7

6,7

6,7

2,4,7

13

1211

20_STEP

8_INDEX

32_SIDE

22_WD

18DIR

34_RDY

4_MTRON

16_MTRON

24_WE

26_TRK0

2_CHNG

28_WPROT

12_SEL1

10_SEL0

30_RD

6_INUSE

14_SEL2

33

31

29

27

25

23

21

19

17

15

13

11

9

7

5

1

3

810

9

6

6,7

2,3,6

2,3,6

4,6

2

2

2

2

1

37

9

11

46

8

15

5

010

14

1

13

2

12

20

4

27

10

12

17

21

19

3

9

11

16

18

6

8

15

5

14

22

1

13

23

53

27

81

31

3

13

25

49

61

73

85

37

1

71

5

47

55

51

83

35

63

45

23

33

75

65

43

21

77

67

41

57

19

79

29

69

39

59

17

9

11

7

15

56

24

28

82

34

78

2

4

38

72

6

62

48

16

58

54

84

26

32

80

36

74

64

46

14

52

12

86

30

76

66

44

22

68

42

10

70

40

8

50

60

18

20

3

12

3

12

3

2 1

2

1

0

2

1

0

2

2

2

2,6

2

2

2

2

2

2,4,7

2,6

2,6

2

2

2,4

2

4,6

2

2

2

2

11

2

12

2

12

21

+ 1

- 2

2

21

21

21

1


Rev.1.37 (02.09.2012)

U34

U16

U7 CN1

GROUNDED HOLES, &c.

C34

0.33uF

0.33uF

C16

C7

0.33uF

0.33uF

C14

POWER INPUT

5-PIn SQ

CN8

NOTE: HEAVY LINES INDICATE ASINGLE POINT CONNECTION

U35

U17

U8

DECOUPLING

U1

CN2

0.33uF

C35

C17

0.33uF

0.33uF

C8

C1

0.33uF

U36

U18

C800

0.01uF

U2

0.33uF

C36

0.33uF

C18

E101

0.01uFEMI

LINE FILTERLF1

0.33uF

C2

U37

U19

U10

X1

C37

0.33uF

C19

0.33uF

C10

0.33uF

C701

0.33uF

U11

0.01uF

C801

C803

0.01uF

0.01uF

C802

C11

0.33uF

C804

0.33uF

U20

U12

U5

47uF

C822

C821

47uF

0.33uF

C20

0.33uF

C12

C5

0.33uF

100uF

C811

-12V

+12V

U21

U13

U6

100uF

C812

C21

0.33uF

0.33uF

C13

0.33uF

C6

C813

100uF

U220.33uF

C22

100uF

C814

Note: U20-23 and C20-23 not loaded for 512K system

U23

U15

100uF

C815

U33

C23

0.33uF

C15

0.33uF

E407

0.01uFEMI

C816

100uF

0.33uF

C33

+VCB

+12V

CN5

+VCB

FLOPPY POWER

Note: Some drives are +5 only...

4-PIN SIL

CN12

74F04

U33

SPARES74F04

U33

"Rock Lobster"

04/27/89

REV

Commodore

SIZE

SCALE SHEET OF

NEXT ASSYUSED ON

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CHKD:ENGR:APPR:

8 81C

C/A500 Main Board

G. Robbins

POWER DISTRIBUTION AND DECOUPLING

GRR 09/09/88



A500 Rev 6a/7 PCB

VCC

VCC

VCC

VCC

VCC

VCC

CN6

U2

CN7CN9 MT7

MT6

MT4MT2MT1

MT5

Gnd1

10Vcc1

20Vcc1

10Gnd1

20Gnd1

1Vcc1

20

12

21

12

10 11

2SH

SH

1+5

4GND

3

+125

-12V

67

Gnd1

10Vcc1

20Vcc1

10Gnd1

20Gnd1

1Vcc1

20

Gnd1

16

Gnd2

53Vcc249

Vcc114

12

21

12

12

Gnd1

7Vcc1

14Vcc1

10Gnd1

202

1

Gnd2

42Gnd1

82

Gnd3

58Vcc1

15

12

21

10 11

24

8

2 7

5

1

6

4

3

12

Gnd1

7Vcc1

14Vcc1

10Gnd1

20Gnd1

10Vcc1

20Gnd2

1Gnd1

2

Vcc1

4

12

21

12

25

26

Gnd1

10Vcc1

20

27

85

21

12

12

86

26

Vcc1

10Gnd1

20Gnd1

10Vcc1

20

Gnd2

24Gnd1

1

Gnd3

40Vcc3

48Vcc2

17Vcc1

6

+1

-2

-2

+1

21

12

12

-2

+1

Vcc1

10Gnd1

20Gnd1

10Vcc1

20

Gnd2

30

Gnd1

11

Vcc1

21

-2

+12

11

2

12

-2

+1Vcc1

10Gnd1

20

21

-2

+1

Vcc1

10Gnd1

20Gnd1

8Vcc1

16

-2

+1Gnd1

7Vcc1

14

21

12

27

24 25

-2

+1

12

1

4

2

3

9 8

21

21

21

12

2

3

1

21

2

3

1


Rev.1.37 (02.09.2012)

XD(15:0)

XD(15:0)

_XCLKCS

XA(23:1)

_XCLKRD_XCLKWR

_XCLKCS

_XCLKRD_XCLKWR

_XOE_XCASL_XCASU_XRAS0_XRAS1_XWE

XDRD(15:0)

XA(23:1)

RP9114.7Kx9* 4.7Kx9*

RP912

74F86

U12U13

74F27

74LS163A

U11

Refresh"Feature"

XX4256-15

U3

DRAM256Kx4

U4XX4256-15

DRAM256Kx4

EXP

74F86

U12

U12

74F86

U13

74F27

XX4256-15

U1

DRAM256Kx4+5X

EXP

EXP

+5X

U2XX4256-15

DRAM256Kx4

470

R913

JP1

EXP

TP9

EXP

U13

74F27

03/19/89 GRRProduction1

JP9A

Real Time Clock

MSM6242B

U9

+5X

10KR915

+5X

+5X

EXP

JP9

JP9

74F86

U12

TC96.8-45pF

22pF

C911

JP3

47pF*

C10

EXP

EXP

JP2

U11C11

0.33uFU12

0.33uF

C12U13

C13

0.33uF

+5X

+5X

R91210K

+5X

Y932768Hz

C10 is optional A8/RAS Setup Time Control RP911,RP912 are optional DRD Termination

/USER/B52_LIB/CAKE.REV6.X SHEET1PATH:

Agnus Fat/HR HR (2M)

JP9 1-2,1-2 1-1,2-2JP1 1-2 -

U1-U4 256Kx4 1Mx4

on A501 512K -on-board 512K 2M

A B

Configuration Options

04/27/89

Cake

U1-U4 are generic 256K-bit x 4 120 nS DRAM

1Mbit Flavor"Cake"

04/27/89

REV

Commodore

SIZE

SCALE SHEET OF

NEXT ASSYUSED ON

DRAWN BY: DATE

CHKD:ENGR:APPR:

1 11C

C/A501 512K Memory

G. Robbins

512K/2M-BYTE RAM EXPANSION AND CLOCK

GRR 03/26/89

C/A500 312987 312988

Notes: Some configurations of this RAM expansion require mods to rev 3 and 5 A500 boards and/or use of the Agnus HR 2MB bond-out.

TP9 is Clock Calendar Frequency Test Point

A501 Rev 6c PCB

Schematic, A501 R6c

ECO HistoryDESCRIPTIONECO NUMBER DATE

10KR914

Revision HistoryREV DESCRIPTION APRVLDATE MANAGER

0.1uF

C9

+5X

U9

4.7uF

C913

+5X

1N914D911

1N914

D912

EXP

Real Time Power

BT93/60DK

100mAH

470

R911

+12X

100uF

C903

+5X

C902

100uF

Decoupling...EXP

0.33uF

C4U4

C3

0.33uFU3

0.33uF

C2U2

C1

0.33uF

RP90168

68RP901RP901

68

68RP901RP901

68

68RP902RP902

68

68RP902

RP90268

68RP903RP903

68

68RP903

68RP903

RP90368

U1

EXP

+5X

RP90268

CNY1CNYCNY

EXP

+12X

12

21

1 2

35 1247 6

10

9 8

12

12

12

1

2 1

XT 16

STD.P 1

CS115

_WR10

_RD8

D311D212D113D014

A04A15A26A37

_CS02 _XT 17

ALE3

21

1232

2

1

1112

13

61

1

2

12

12

3

465

11

9810

2

13121

nc5

_OE16

_RAS4

A815

21

12

2345

01

D318

23

Vcc1

18Gnd1

9

- 2

+ 1

2121

D11

_CAS17

_WE3

A714

A613

A512

21

A411

A39

A28

A17

A06

D22

D419

nc5

_OE16

_RAS4

A815

D318

D11

_CAS17

_WE3

A714

A613

A512

2

A411

5

A39

A28

A17

43

A06

89

10

D22

21

- 3

4.5VNi-Cd

+ 2

nc5

D419

_OE16

_RAS4

A815

D318

D11

_CAS17

1

_WE3

A714

A613

2 1

A512

A411

A39

A28

A17

A06

D22

D419

nc5

_OE16

1415131210119867

QD11QC12

LD9

QB13QA14RO15

CLK2

ENP

7EN

T10

B4

C5

D6

CLR1

A3

_RAS4

A815

542310

Gnd1

8Vcc116

8

D318

D11

Gnd1

7Vcc114

_CAS17

_WE3

Gnd1

7Vcc114

15

14

13

12

11

10

9

8

-2

+1

7

6

5

4

3

2

-2

+1

1

0

21

A714

A613

14121086420 1513119753189

10

67 4 2 15 3

1

3

12

3

12

01234567

9

Vcc110

Gnd1

20

Vcc110

Gnd1

20

0

1

2

3

4

5

6

7

8

9

Vcc110

Gnd1

20

0

1

2

3

1 2

3 4

5 6

7 8

9 10

9 10

7 8

5 6

1 2

2 1

4 3

9 10

7 8

6 5

A512

A411

Vcc110

Gnd1

20

2

3

4

5

A39

A28

A17

A06

D22

D419

4 3

48

50

52

54

56

28

30

32

34

36

38

40

42

44

46

8

10

12

14

16

18

20

22

24

26

6

4

21

3

5

25

23

21

19

17

15

13

11

9

7

45

43

41

39

37

35

33

31

29

27

55

53

51

49

47


Rev.1.37 (02.09.2012)

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