user’s manual - asusdlcdnet.asus.com/pub/asus/mb/sock7/sis5591/sp98agp-x/sp98agp… · 2 asus...

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SP98AGP-XPentium® ATX Motherboard

USER’S MANUAL

ASUS SP98AGP-X User’s Manual2

USER’S NOTICE

Product Name: ASUS SP98AGP-XManual Revision: 1.03Release Date: March 1998

No part of this manual, including the products and software described in it, may be repro-duced, transmitted, transcribed, stored in a retrieval system, or translated into any languagein any form or by any means, except documentation kept by the purchaser for backup pur-poses, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND,EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIEDWARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PAR-TICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS,EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDEN-TAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OFPROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSI-NESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITYOF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUALOR PRODUCT.

Product warranty or service will not be extended if: (1) the product is repaired, modified oraltered, unless such repair, modification of alteration is authorized in writing by ASUS; or(2) the serial number of the product is defaced or missing.

Products and corporate names appearing in this manual may or may not be registered trade-marks or copyrights of their respective companies, and are used only for identification orexplanation and to the owners’ benefit, without intent to infringe.

• Intel, LANDesk, and Pentium are registered trademarks of Intel Corporation.• IBM and OS/2 are registered trademarks of International Business Machines.• Symbios is a registered trademark of Symbios Logic Corporation.• Windows and MS-DOS are registered trademarks of Microsoft Corporation.• Sound Blaster AWE32 and SB16 are trademarks of Creative Technology Ltd.• Adobe and Acrobat are registered trademarks of Adobe Systems Incorporated.

The product name and revision number are both printed on the product itself. Manual revi-sions are released for each product design represented by the digit before and after the periodof the manual revision number. Manual updates are represented by the third digit in themanual revision number.

For previous or updated manuals, BIOS, drivers, or product release information, contact ASUSat http://www.asus.com.tw or through any of the means indicated on the following page.

SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FUR-NISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE ATANY TIME WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COM-MITMENT BY ASUS. ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FORANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUD-ING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.

Copyright © 1998 ASUSTeK COMPUTER INC. All Rights Reserved.

ASUS SP98AGP-X User’s Manual 3

ASUS CONTACT INFORMATIONASUSTeK COMPUTER INC.MarketingAddress: 150 Li-Te Road, Peitou, Taipei, Taiwan 112Telephone: +886-2-2894-3447Fax: +886-2-2894-3449Email: [email protected]

Technical SupportFax: +886-2-2895-9254BBS: +886-2-2896-4667Email: [email protected]: www.asus.com.twFTP: ftp.asus.com.tw/pub/ASUS

ASUS COMPUTER INTERNATIONALMarketingAddress: 6737 Mowry Ave, Mowry Business Center, Building 2,

Newark, CA 94560, USAFax: +1-510-608-4555Email: [email protected]

Technical SupportFax: +1-510-608-4555BBS: +1-510-739-3774Email: [email protected]: www.asus.comFTP: ftp.asus.com.tw/pub/ASUS

ASUS COMPUTER GmbHMarketingAddress: Harkort Str. 25, 40880 Ratingen, BRD, GermanyTelephone: 49-2102-445011Fax: 49-2102-442066Email: [email protected]

Technical SupportHotline: 49-2102-499712BBS: 49-2102-448690Email: [email protected]: www.asuscom.deFTP: ftp.asuscom.de/pub/ASUSCOM


CONTENTSI. INTRODUCTION........................................................................... 7

How this Manual is Organized ........................................................ 7Item Checklist .................................................................................. 7

II. FEATURES .................................................................................... 8Features of the ASUS SP98AGP-X Motherboard ........................... 8

ASUS Smart Series of Motherboards ........................................ 9The ASUS SP98AGP-X Motherboard ..................................... 11

III. INSTALLATION ........................................................................ 12ASUS SP98AGP-X Motherboard Layout ..................................... 12Installation Steps ............................................................................ 141. Jumpers ...................................................................................... 14

Jumper Settings .................................................................. 152. System Memory (DIMM) ......................................................... 19

DIMM Memory Installation Procedures: ........................... 203. Central Processing Unit (CPU) ................................................. 224. Expansion Cards ....................................................................... 23

Expansion Card Installation Procedure: ............................. 23Assigning IRQs for Expansion Cards................................. 23Assigning DMA Channels for ISA Cards ........................... 24ISA Cards and Hardware Monitor ...................................... 24Accelerated Graphics Port .................................................. 24

5. External Connectors .................................................................. 25Power Connection Procedures ................................................. 33

IV. BIOS SOFTWARE ..................................................................... 34Support Software ........................................................................... 34

Flash Memory Writer Utility .................................................... 34Main Menu ......................................................................... 34Advanced Features Menu ................................................... 35

Managing and Updating Your Motherboard’s BIOS................ 366. BIOS Setup ............................................................................... 37

Load Defaults ..................................................................... 38Standard CMOS Setup ............................................................. 38

Details of Standard CMOS Setup: ...................................... 38BIOS Features Setup ................................................................ 41

Details of BIOS Features Setup .......................................... 41Chipset Features Setup ............................................................. 44

Details of Chipset Features Setup....................................... 44Power Management Setup........................................................ 47

Details of Power Management Setup ................................. 47


CONTENTSPNP and PCI Setup .................................................................. 49

Details of PNP and PCI Setup ............................................ 49Load BIOS Defaults ................................................................. 51Load Setup Defaults ................................................................. 51Supervisor Password and User Password ................................ 52IDE HDD Auto Detection ........................................................53Save & Exit Setup ....................................................................54Exit Without Saving ................................................................. 54

V. SUPPORT SOFTWARE ..............................................................55ASUS Smart Motherboard Support CD 3.10.................................55Desktop Management Interface (DMI) .......................................... 56

Introducing the ASUS DMI Configuration Utility ............. 56System Requirements .........................................................56Using the ASUS DMI Configuration Utility ......................57

VI. ASUS PCI SCSI Cards ..............................................................59Symbios SCSI BIOS and Drivers .................................................. 59ASUS PCI-SC200 & PCI-SC860 SCSI Cards .............................. 59

Setting Up the ASUS PCI-SC200 & PCI-SC860 .....................60Setting the INT Assignment for the ASUS PCI-SC200 ........... 60Terminator Requirements for SCSI Devices ............................60Terminator Settings for the ASUS PCI-SC860 ........................ 61Terminator Settings for the ASUS PCI-SC200 ........................ 61SCSI ID Numbers for SCSI Devices .......................................62SCSI ID Priority ....................................................................... 62

VII. ASUS LAN Card ....................................................................... 63ASUS PCI-L101 Fast Ethernet Card .............................................63Features .......................................................................................... 64

Software Driver Support ..........................................................64Question and Answer ...............................................................64


FCC & DOC COMPLIANCEFederal Communications Commission StatementThis device complies with FCC Rules Part 15. Operation is subject to the followingtwo conditions:

• This device may not cause harmful interference, and• This device must accept any interference received, including interference that

may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class Bdigital device, pursuant to Part 15 of the FCC Rules. These limits are designed toprovide reasonable protection against harmful interference in a residential installa-tion. This equipment generates, uses and can radiate radio frequency energy and, ifnot installed and used in accordance with manufacturer’s instructions, may causeharmful interference to radio communications. However, there is no guarantee thatinterference will not occur in a particular installation. If this equipment does causeharmful interference to radio or television reception, which can be determined byturning the equipment off and on, the user is encouraged to try to correct the inter-ference by one or more of the following measures:

• Re-orient or relocate the receiving antenna.• Increase the separation between the equipment and receiver.• Connect the equipment to an outlet on a circuit different from that to which

the receiver is connected.• Consult the dealer or an experienced radio/TV technician for help.

WARNING! The use of shielded cables for connection of the monitor to thegraphics card is required to assure compliance with FCC regulations. Changesor modifications to this unit not expressly approved by the party responsible forcompliance could void the user’s authority to operate this equipment.

Canadian Department of Communications StatementThis digital apparatus does not exceed the Class B limits for radio noise emissionsfrom digital apparatus set out in the Radio Interference Regulations of the Cana-dian Department of Communications.


How this Manual is OrganizedThis manual is divided into the following sections:

I. Introduction Manual information and checklistII. Features Information and specifications concerning this productIII. Installation Instructions on setting up the motherboard.IV. BIOS Software Instructions on setting up the BIOS softwareV. Support Software Information on the included support softwareVI. ASUS SCSI Cards Installation of ASUS SCSI cards (optional)VII. ASUS PCI-L101 Installation of ASUS PCI-L101 Fast Ethernet PCI Card

Item ChecklistCheck that your package is complete. If you discover damaged or missing items,contact your retailer.

ASUS SP98AGP-X motherboard

1 IDE ribbon cable

1 floppy ribbon cable

Support Drivers & Utilities

• Crystal Audio Driver• SiS 5591 AGP VxD and IDE driver• ASUS PC Probe Hardware Monitor• Desktop Management Interface (DMI) utility• Flash Memory Writer utility to update the FLASH BIOS• Readme files for descriptions and use of the files• Technical Support Form

This user’s manual

Onboard audio chipset and audio driver (optional)

Infrared module (optional)

ASUS PCI-SC200 Fast-SCSI or PCI-SC860 Ultra-Fast SCSI card (optional)

ASUS PCI-L101 10/100 Fast Ethernet PCI Card (optional)

I. INTRODUCTION

I. IN

TRO

DUCT

ION

Man

ual /

Che

cklis

t

8 ASUS SP98AGP-X User’s Manual

Features of the ASUS SP98AGP-X MotherboardThe ASUS SP98AGP-X is carefully designed for the demanding PC user who wantsmany features in a small package. This motherboard:

• AGP Chipset: SiS5591 chipset with built-in AGP support for high performance,component level interconnection targeted at 3D graphical display applications.

• Versatile Processor Support: Intel Pentium® 75-233MHz (P55C-MMX™, P54C/P54CS), IBM®/Cyrix® 6x86-PR166+ (Rev 2.7 or later), IBM®/Cyrix® 6x86MX™

(PR166 & faster), AMD-K5™ (PR75-PR133), AMD-K6™ (PR166 & faster).

• Versatile Memory Support: Three DIMM sockets to support (8, 16, 32, 64,128, or 256MB) 168-pin SDRAM/Extended Data Out (EDO) memory modulesup to 768MB.

• Easy Installation: BIOS supports autodetection of hard drives, PS/2 mouse,and Plug and Play devices to make setup of hard drives, expansion cards, andother devices virtually automatic.

• ISA & PCI Expansion Slots: Three 16-bit ISA and three 32-bit PCI slots.

• Super Multi-I/O: Two high-speed UART-compatible serial ports and one par-allel port with EPP and ECP capabilities.

• Desktop Management Interface (DMI): Supports DMI through BIOS, whichallows hardware to communicate within a standard protocol creating a higherlevel of compatibility. (Requires DMI-enabled components.) (See section V)

• PCI Bus Master IDE Controller: Onboard PCI Bus Master IDE controllerwith two connectors that supports four IDE devices in two channels, supportsPIO Modes 3 and 4 and Bus Master IDE DMA Mode 2, and supports EnhancedIDE devices such as Tape Backup and CD-ROM drives. Supports two drives ofeither 5.25-inch (360KB or 1.2MB) or 3.5-inch (720KB, 1.44MB, or 2.88MB)disk drives. Supports Japanese “Floppy 3 mode” (3.5-inch disk drive: 1.2MB)and LS-120 floppy disk drives (3.5-inch disk drive: 120 MB, 1.44MB, 720K).BIOS supports IDE CD-ROM or SCSI device boot-up.

• Level 2 Cache: 512KB (1MB option) Pipelined Burst SRAM onboard.

• Optional IrDA Module: Supports optional IrDA receiver/transmitter device.

• Symbios SCSI BIOS: Onboard firmware to support optional ASUS SCSI con-troller cards.

• Optional Integrated Audio: Optional onboard audio with 3D sound.

• Compliancy: ACPI ready for advanced power management features and PC97compliant for greater support.

II. FEATURES

ASUS SP98AG

P-XII. FEATURES


II. FEATURES

II. F

EATU

RES

Smar

t Ser

ies

ASUS Smart Series of MotherboardsPerformance• SDRAM Optimized Performance — ASUS Smart series of motherboards sup-

port the new generation memory, Synchronous Dynamic Random AccessMemory (SDRAM).

• Double the IDE Transfer Speed — ASUS Smart series of motherboards withSiS5591 chipset improves IDE transfer rate using Bus Master UltraDMA/33IDE which can handle data transfer up to 33MB/s. This technology is also com-patible with existing ATA-2 IDE specs so there is no need to upgrade currenthard drives or cables.

• Concurrent PCI — Concurrent PCI allows multiple PCI transfers from PCImaster busses to memory to CPU.

• ACPI Ready — ACPI (Advanced Configuration and Power Interface) is alsoimplemented on all ASUS Smart series of motherboards. ACPI provide moreEnergy Saving Features for the future operating systems (OS) supporting OSDirect Power Management (OSPM) functionality. With these features imple-mented in the OS, PCs can be ready around the clock everyday, yet satisfy allthe energy saving standards. To fully utilize the benefits of ACPI, an ACPI-supported OS such as in the next release of Windows 95 must be used.

• PC97 Compliant — Both the BIOS and hardware levels of ASUS Smart seriesof motherboards meet PC97 compliancy. The new PC 97 requirements for sys-tems and components are based on the following high-level goals: Support forPlug and Play compatibility and power management for configuring and man-aging all system components, and 32-bit device drivers and installation proce-dures for both Windows 95 (and its successors) and Windows NT.

Intelligence:• Fan Status Monitoring and Alarm — To prevent system overheat and system

damage, the CPU and chassis fans are monitored for RPM and failure. The nor-mal RPM range and alarm thresholds of these fans can be set through hardwaremonitoring software.

• Temperature Monitoring and Alert — To prevent system overheat and sys-tem damage, there is a heat sensor under the CPU and on the motherboard itselfto monitor CPU and system temperature to make sure the system is operating ata safe heat level to avoid any failures triggered by extremely high temperature.


II. FEATURES

Smart Series

II. FEATURES

• Voltage Monitoring and Alert — System voltage levels are monitored to en-sure stable current to critical motherboard components. Voltage specificationsare more critical for future processors, so monitoring is necessary to ensure propersystem configuration and management.

• System Resources Alert — Today’s operating systems such as Windows 95,Windows NT, and OS/2, require much more memory and hard drive space topresent enormous user interfaces and run large applications. The system re-source monitor will warn the user before the system resources are used up toprevent possible application crashes. Suggestions will give the user informa-tion on managing their limited resources more efficiently.

• CPU Slow Down — If the CPU fan malfunctions, the system will deactivate theCPU Clock line to decrease CPU utilization to the speed upon detection of sys-tem overheat. This will prevent CPU damage from system overheat. The CPUutilization will restore normal operations when temperature falls below a safelevel.

• Auto Fan Off — The system fans will power off automatically even in sleepmode. This function reduces both energy consumption and system noise, andis a important feature to implement silent PC systems.

• Remote Ring On (requires ATX power supply) — This allows a computer tobe turned on remotely through a modem. With this benefit on-hand, any user canaccess vital information from their computer from anywhere in the world!

• Message LED — Chassis LEDs now act as information providers. Through theway a particular LED illuminates, the user can determine the stage the computeris in. A simple glimpse provides useful information to the user.


The ASUS SP98AGP-X Motherboard

II. FEATURES

II. F

EATU

RES

Mot

herb

oard

Par

ts

512KB/1024KB PipelinedBurst L2 Cache

CPU ZIFSocket 7

3 PCI Slots

ATX PowerConnector

T: USB Port 1B: USB Port 2

ProgrammableFlash ROM

T: PS/2 MouseB: PS/2 Keyboard

T: Parallel Conn.B: Serial Conn.

(Optional)T:Joystick/MidiB:Out/In/Mic

COM 1

COM 2

CPU ThermalSensor

(Optional)Audio Chipset

AGP Port

SiS 5591Chipset

3 ISA Slots


III. INSTALLATIONASUS SP98AGP-X Motherboard Layout

BF2BF1BF0

BUS Freq.G

ame/

Mid

i Por

t

Mic

InLi

neIn

Line

Out

Par

alle

l Por

t

CO

M 2

CO

M 1

Panel Connections

Board Power Inputfor ATX Power Supply

Flo

ppy

Driv

es

ISA Slot 2

ISA Slot 1

ISA Slot 3

PCI Slot 3

PCI Slot 2

Sec

onda

ry ID

E

Prim

ary

IDE

PCI Slot 1

CPU ZIF Socket 7

R

IDE LED Infr

ared

Con

. (Ir

DA

)

Mod

emC

onne

ctor

Top: USB 1Bottom: USB 2USB

PS/2Top: MouseBottom: Keyboard

Pro

gram

mab

leB

IOS

EE

PR

OM

RTCLR

CD 1

SiS 5591Chipset

SiS 5595Chipsetwith LM78HardwareMonitor

CH

A_FA

N

PWR_FAN

Row

DIM

M S

ock

et 1

(6

4-b

it, 1

68

-pin

mo

du

le)

1 0V

ID3

VID

2V

ID1

CP

U V

olta

ge

VID

0

CPU_FAN

Wake on LAN

AGP Slot

CR20323 Volt

Lithium Cell

512KB/1024KB Onboard L2 Cache

DIM

M S

ock

et 2

(6

4-b

it, 1

68

-pin

mo

du

le)

3 2

DIM

M S

ock

et 3

(6

4-b

it, 1

68

-pin

mo

du

le)

5 4CD 2

AudioChipset

Multi-I/OChip

FS

2F

S1

FS

0

BU

S F

RE

Q

KBV_SEL

CPU Thermal Sensor(Hardware Monitor)

LM75

NOTE: Outlined items (thick dashes) are optional and may not be present.

Motherboard Layout

III. INSTALLATION


III. INSTALLATIONJumpers1) RTCLR p. 15 Real Time Clock RAM (Operation/Clear Data)2) KBV_SEL p. 18 Keyboard Voltage Selection3) FS0, FS1, FS2 p. 16CPU External Clock (BUS) Frequency Selection4) BF0, BF1, BF2 p. 16 CPU:BUS Frequency Ratio5) VID0, 1, 2, 3 p. 18 CPU Voltage Regulator Output Selection

Expansion Slots1) System Memory p. 19 System Memory Upgrade2) CPU ZIF Socket 7 p. 22Central Processing Unit (CPU) Socket3) SLOT 1, 2, 3 p. 23 16-bit ISA Bus Expansion Slots*

4) PCI 1, 2, 3 p. 23 32-bit PCI Bus Expansion Slots

Connectors1) PS2KEYBOARD p. 25 PS/2 Keyboard Connector (6-pin Female)2) PS2MOUSE p. 25PS/2 Mouse Connector (6-pin Female)3) PRINT p. 26 Parallel (Printer) Port Connector (25-pin Female)4) COM1, COM2 p. 26 Serial Port COM1 & COM2 (Two 9-pin Male)5) FLOPPY p. 26 Floppy Drive Connector (34-pin Block)6) AUDIO (optional) p. 27 Audio Port -Line Out, Line In, Mic (Three 1/8” Female)7) GAME (optional) p. 27 Joystick/Midi Connector (15-pin Female)8) USB p. 27 Universal Serial BUS Ports 1 & 2 (Two 4-pin Female)9) Primary/Second. IDE p. 28 Primary / Secondary IDE Connector (40-pin Blocks)10) IDELED p. 28 IDE LED Activity Light11) CHA_/CPU_/PWR_FAN p. 29Chassis, CPU, Power Supply Fan Power Lead (3-pin Block)12) MDM (optional) p. 29 Modem connector (4 pins)13) IR p. 30 Infrared Port Module Connector14) ATXPWR p. 30 ATX Motherboard Power Connector (20-pin Block)15) WOL p. 31 Wake on LAN (3 pins)16) CD1 (optional) p. 31 Stereo audio in connector (4-pin Block)17) CD2 (optional) p. 31 Stereo audio in connector (4-pin Block)18) MSG.LED (PANEL) p. 32 System Message LED (2 pins)19) SMI (PANEL) p. 32 SMI Switch Lead (2 pins)20) PWR (PANEL) p. 32 ATX Power & Soft-Off Switch Lead (2 pins)21) RESET (PANEL) p. 32Reset Switch Lead (2 pins)22) KEYLOCK (PANEL) p. 32 System Power LED Lead (3 pins)23) KEYLOCK (PANEL) p. 32 Keyboard Lock Switch Lead (2 pins)24) SPEAKER (PANEL) p. 32 Speaker Output Connector (4 pins)

*The onboard hardware monitor uses the address 290H-297H so legacy ISA cards must notuse this address, otherwise conflicts will occur.

III.

INST

ALLA

TIO

N


III. INSTALLATION

Jumpers

III. INSTALLATION

Installation StepsBefore using your computer, you must complete the following steps:

1. Set Jumpers on the Motherboard2. Install System Memory3. Install the Central Processing Unit (CPU)4. Install Expansion Cards5. Connect Ribbon Cables, Cabinet Wires, and Power Supply6. Setup the BIOS Software

1. JumpersSeveral hardware settings are made through the use of jumper caps to connect jumper

pins (JP) on the motherboard. See “Motherboard Layout” for locations of jumpers.

The jumper settings will be described numerically such as [----], [1-2], [2-3] for no

connection, connect pins 1&2, and connect pins 2&3 respectively. Pin 1 for our moth-

erboards is always on topPIN 1

or on the left PIN 1

when holding the motherboard with

the keyboard connector away from yourself. A “1” is written besides pin 1 on jumpers

with three pins. The jumpers will also be shown graphically such as to connect

pins 1&2 and to connect pins 2&3. Jumpers with two pins will be shown as

for Short (On) and for Open (Off). For manufacturing simplicity, the jump-

ers may be sharing pins from other groups. Use the diagrams in this manual instead of

following the pin layout on the board. Settings with two jumper numbers require that

both jumpers be moved together. To connect the pins, simply place a plastic jumper

cap over the two pins as diagramed.

WARNING! Computer motherboards, baseboards and components, such as SCSIcards, contain very delicate Integrated Circuit (IC) chips. To protect them againstdamage from static electricity, you should follow some precautions whenever youwork on your computer.

1. Unplug your computer when working on the inside.2. Use a grounded wrist strap before handling computer components. If you do

not have one, touch both of your hands to a safely grounded object or to ametal object, such as the power supply case.

3. Hold components by the edges and try not to touch the IC chips, leads orconnectors, or other components.

4. Place components on a grounded antistatic pad or on the bag that came withthe component whenever the components are separated from the system.


III. INSTALLATION

III.

INST

ALLA

TIO

NJu

mpe

rs

1. Real Time Clock (RTC) RAM (RTCLR)The CMOS RAM is powered by the onboard button cell battery. To clear theRTC data: (1) Turn off your computer and remove the AC power , (2) Move thisjumper to “Clear CMOS,” (3) Move the jumper back to “Normal,” (4) Turn onyour computer, (5) Hold down <Delete> during bootup and enter BIOS setup tore-enter user preferences.

Battery Test Jumper (RTCLR)You can test the battery’s current by removing this jumper and attaching a cur-rent meter to pins 1&2.

WARNING! You must unplug the power cord to your power supply to ensurethat there is no power to your motherboard. The CMOS RAM containing BIOSsetup information may be cleared by this action. You must enter BIOS to “LoadSetup Defaults” and re-enter any user information after removing and reapply-ing this jumper.

RTC RAM RTCLRNormal [1-2] (Default)Clear CMOS [2-3] (momentarily)

RTC_VDD (Normal/Clear CMOS)

Normal (Default)

RTCLR

Clear CMOS

RTCLR

BA

TT

ER

Y T

ES

T

R

Jumper Settings


III. INSTALLATION

Jumpers

III. INSTALLATION

2. Keyboard Power Selection (KBV_SEL)This jumper allows you to select the power current for your keyboard. Makesure that your power supply can support at least 300mAmp +5VSB before se-lecting +5VSB.

Multi-I/O KBV_SEL+5V [1-2] (Default)+5VSB [2-3]

Keyboard Voltage Selection

+5VSB

123

KBV_SEL

+5V (Default)

123

KBV_SEL

R

3. CPU External (BUS) Frequency Selection (FS0, FS1, FS2)These jumpers tell the clock generator what frequency to send to the CPU. Theseallow the selection of the CPU’s External frequency (or BUS Clock). The BUS Clocktimes the BUS Ratio equals the CPU’s Internal frequency (the advertised CPU speed).

4. CPU to BUS Frequency Ratio (BF0, BF1, BF2)These jumpers set the frequency ratio between the Internal frequency of the CPUand the External frequency (called the BUS Clock) within the CPU. These mustbe set together with the CPU External (BUS) Frequency Selection jumpers.

CPU External Clock (BUS) Frequency Selection60MHz 66.8MHz

FS2FS1FS0

68.5MHz 75MHz 83.3MHz

123

BF

1B

F0

BF

2

123

BF

1B

F0

BF

2

123

BF

1B

F0

BF

2

123

BF

1B

F0

BF

2

123

BF

1B

F0

BF

2

123

BF

1B

F0

BF

2

CPU : BUS Frequency Ratio

2.5x(5/2)2.5x(5/2)1.0x(1/1)2.0x(2/1)2.5x(5/2)

3.0x(3/1)3.0x(3/1)

--------

3.0x(3/1)

2.0x(2/1)2.0x(2/1)2.0x(2/1)2.0x(2/1)2.0x(2/1)

1.5x(3/2)3.5x(7/2)3.0x(3/1)3.0x(3/1)3.5x(7/2)

----------------

4.0x(4/1)

----------------

4.5x(9/2)

R

90MHz 100MHz

21 3 21 3 21 3 21 3 21 3 21 3 21 3

CPU A →CPU B →CPU C →CPU D →CPU E →

Match the “Ratio” column ofthe table on the opposite pageto these CPU types:

CPU Types


III. INSTALLATION

Jum

pers

III.

INST

ALLA

TIO

N

Set the jumpers by the Internal speed of the Intel, AMD, IBM, or Cyrix CPU as follows:

(BUS Freq.) (Freq. Ratio)

CPU Model Freq. Ratio BUS Freq. FS2 FS1 FS0 BF0 BF1 BF2

Intel Pentium P54C 166MHz A-2.5x 66MHz [2-3] [2-3] [1-2] [2-3] [2-3] [1-2]






AMD-K5-PR13 100MHz A-1.5x 66MHz [2-3] [2-3] [1-2] [1-2] [1-2] [1-2]

AMD-K5-PR120 90MHz A-1.5x 60MHz [2-3] [2-3] [2-3] [1-2] [1-2] [1-2]

AMD-K5-PR100 100MHz A-1.5x 66MHz [2-3] [2-3] [1-2] [1-2] [1-2] [1-2]

AMD-K5-PR90 90MHz A-1.5x 60MHz [2-3] [2-3] [2-3] [1-2] [1-2] [1-2]

Intel Pentium P55C 233MHz B-3.5x 66MHz [2-3] [2-3] [1-2] [1-2] [1-2] [1-2]



IBM/Cyrix 6x86MX-PR233 200MHz B-3.0x 66MHz [2-3] [2-3] [1-2] [1-2] [2-3] [1-2]





*IBM/Cyrix 6x86-PR166+ 133MHz C-2.0x 66MHz [2-3] [2-3] [1-2] [2-3] [1-2] [1-2]

*IBM/Cyrix 6x86L-PR166+ 133MHz D-2.0x 66MHz [2-3] [2-3] [1-2] [2-3] [1-2] [1-2]

AMD-K6-PR300 300MHz E-4.5x 66MHz [2-3] [2-3] [1-2] [2-3] [2-3] [2-3]

AMD-K6-PR266 266MHz E-4.0x 66MHz [2-3] [2-3] [1-2] [2-3] [1-2] [2-3]

AMD-K6-PR233 233MHz E-3.5x 66MHz [2-3] [2-3] [1-2] [1-2] [1-2] [1-2]

AMD-K6-PR200 200MHz E-3.0x 66MHz [2-3] [2-3] [1-2] [1-2] [2-3] [1-2]

AMD-K6-PR166 166MHz E-2.5x 66MHz [2-3] [2-3] [1-2] [2-3] [2-3] [1-2]

*NOTE: The only IBM or Cyrix 6x86(L or M1) that is sup-ported on this motherboard is Rev 2.7 or later. Look on theunderside of the CPU for the serial number. The number shouldread G8DC6620A or later.


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Jumpers

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5. Voltage Regulator Output Selection (VID0, 1, 2, 3)These jumpers set the voltage supplied to the CPU.

Intel Pentium (P54C)(75MHz-200MHz)

Pentium MMX (P55C)(150MHz-233MHz)

AMD-K6(PR166 and faster)

AMD-K5(PR75-PR133)

IBM/Cyrix 6x86(MX)(PR166 and faster)

IBM/Cyrix 6x86(M1)(PR166 and faster)

WARNING! Because CPU designs change rapidly, the following chart is onlyintended as a simple quideline and is not intended to be true for your CPU. Lookfor the CPU voltage included with your CPU and follow the Voltage settingdiagramed below the chart.

Manufacturer CPU Type Single Plane Dual Plane VID3 VID2 VID1 VID0

Intel P54C/P54CS 3.5V(VRE) ---- [1-2] [1-2] [1-2] [1-2]

AMD K5 3.5V(VRE) ---- [1-2] [1-2] [1-2] [1-2]

IBM/Cyrix 6x86 3.5V(VRE) ---- [1-2] [1-2] [1-2] [1-2]

Intel P54C/P54CS 3.4V(STD) ---- [1-2] [1-2] [1-2] [2-3]

AMD K5 3.4V(STD) ---- [1-2] [1-2] [1-2] [2-3]

AMD(.35 micron) K6-PR233 ---- 3.2V(Dual) [1-2] [1-2] [2-3] [2-3]

AMD(.35 micron) K6-166,200 ---- 2.9V(Dual) [1-2] [2-3] [2-3] [1-2]

IBM/Cyrix 6x86MX ---- 2.9V(Dual) [1-2] [2-3] [2-3] [1-2]

Intel P55C-MMX ---- 2.8V(Dual) [1-2] [2-3] [2-3] [2-3]

AMD (.25micron) K6-233,266,300 ---- 2.2V(Dual) [2-3] [2-3] [1-2] [2-3]

Voltage Regulator Output Selection

2.2 Volts2.0 Volts 2.1 Volts

VID2VID3

VID1VID0

1 2 3

VID2VID3

VID1VID0

1 2 3

VID2VID3

VID1VID0

1 2 3

2.8 Volts

VID2VID3

VID1VID0

2.9 Volts

VID2VID3

VID1VID0

3.2 Volts

VID2VID3

VID1VID0

3.3 Volts

VID2VID3

VID1VID0

3.4 Volts

VID2VID3

VID1VID0

3.5 Volts

VID2VID3

VID1VID0

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2. System Memory (DIMM)Only Dual Inline Memory Modules (DIMMs) can be used with this motherboard.Three sockets are available for 3.3Volt (power level) Unbuffered SynchronousDRAMs (SDRAMs; 8, 16, 32, 64, or 128MB) or EDO DRAM (8, 16, 32, 64, 128, or256MB) to form a memory size between 8MB to 768MB. One side (with memorychips) of the DIMM module takes up one Row on the motherboard. If ECC-sup-ported DIMM is used, you can enable the ECC function through BIOS setup –CHIPSET FEATURES SETUP “Data Integrity Mode.”

IMPORTANT: You must first set the memory speed through the “EDO/FPM Con-figuration” under the BIOS Chipset Setup of the BIOS SOFTWARE.

Install memory in any combination as follows:

DIMM Type 168-pin DIMM Memory Modules Total Memory

Socket 1 SDRAM 8, 16, 32, 64, 128MB x1(Rows 0&1) EDO 8, 16, 32, 64, 128, 256MB



Total System Memory (Max 768MB) =

WARNING: Memory modules must have 18 chips or less. Memory modules withmore that 18 chips will cause unstable operation.

ASUS DIMM Module Examples:

ECC EDO DIMM (9 chips) Non-ECC SDRAM DIMM (8 chips)

General DIMM Notes: (not true for all memory modules)• Four possible memory chips are supported: EDO or SDRAM with and without parity.• SDRAM chips are generally thinner with higher pin density than EDO chips.• BIOS shows EDO or SDRAM memory on bootup screen.• 8 chip/side modules do not support parity, only 9 chip/side modules support parity.• Single sided modules are usually 16 or 64 MB, double sided are usually 8, 32, or 128MB.


III. INSTALLATION

System M

emory

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DIMM Memory Installation Procedures:

Insert the module(s) as shown. Because the number of pins are different on eitherside of the breaks, the module will only fit in the orientation as shown. DRAMSIMM modules have the same pin contact on both sides. SDRAM DIMM moduleshave different pin contact on each side and therefore have a higher pin density.

168 Pin DIMM Memory Sockets

88 Pins60 Pins20 Pins

LockR

The Dual Inline Memory Module (DIMM) memory modules must be 3.3Volt Un-buffered Synchronous DRAM (SDRAM) or Extended Data Output (EDO) . Youcan identify the type of DIMM module by the illustration below:

168-Pin DIMM Notch Key Definitions (3.3V)

DRAM Key Position Voltage Key Position

UnbufferedRFUBuffered

Reserved3.3V

5.0V

The notch on the DIMM module will shift between left, center, or right to identifythe type and also to prevent the wrong type to be inserted into the DIMM slot on themotherboard. You must ask your retailer for the specifications before purchasing.Four clock signals are supported on this motherboard.


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3. Central Processing Unit (CPU)

The motherboard provides a 321-pin ZIF Socket 7 that is backwards compatiblewith ZIF Socket 5 processors. The CPU that came with the motherboard shouldhave a fan attached to it to prevent overheating. If this is not the case then purchasea fan before you turn on your system. Apply thermal jelly to the CPU top and theninstall the fan onto the CPU.

WARNING! Without a fan circulating air on the CPU and heat sinks, the CPUand/or heat sinks can overheat and cause damage to both the CPU and the moth-erboard. (See “CPU Cooling Fan Connector” at the end of this section.)

To install a CPU, first turn off your system and remove its cover. Locate the ZIFsocket and open it by first pulling the lever sideways away from the socket thenupwards to a 90-degree right angle. Insert the CPU with the correct orientation asshown. Use the notched corner of the CPU as your guide. The white dot shouldpoint towards the end the of the lever. Notice that there is a blank area where onehole is missing from that corner of the square array of pin holes and a “1” printed onthe motherboard next to that corner. Because the CPU has a corner pin for three ofthe four corners, the CPU will only fit in the one orientation as shown. The pictureis for reference only; you should have a CPU fan that will cover the face of the CPU.With the added weight of the CPU fan, no force is required to insert the CPU. Oncecompletely inserted, hold down on the fan and close the socket’s lever.

IMPORTANT: You must set jumpers for “CPU to BUS Frequency Ratio” and jump-ers for “BUS Frequency Selection” depending on the CPU that you install.

ZIF Socket 7 with Pentium MMX Processor

Blank

Lever

Lock

1Notch

1

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4. Expansion Cards

Expansion Card Installation Procedure:1. Read your expansion card documentation on any hardware and software set-

tings that may be required to setup your specific card.

2. Set any necessary jumpers on your expansion card.

3. Remove your computer system’s cover.

4. Remove the bracket on the slot you intend to use.Keep the bracket for possible future use.

5. Carefully align the card’s connectors and press firmly.

6. Secure the card on the slot with the screw you removed in step 4.

7. Replace the computer system’s cover.

8. Edit the BIOS settings if necessary.(such as “IRQ xx Used By ISA: Yes” in PNP AND PCI SETUP)

9. Install the necessary software drivers for your expansion card.

Assigning IRQs for Expansion CardsSome expansion cards need to use an IRQ to operate. Generally an IRQ must beexclusively assigned to one use. In an standard design there are 16 IRQs availablebut most of them are already in use by parts of the system which leaves 6 free forexpansion cards.

Both ISA and PCI expansion cards may need to use IRQs. System IRQs are avail-able to cards installed in the ISA expansion bus first, and any remaining IRQs arethen used by PCI cards. Currently, there are two types of ISA cards. The originalISA expansion card design, now referred to as “Legacy” ISA cards, requires thatyou configure the card’s jumpers manually and then install it in any available slot onthe ISA bus. You may use Microsoft’s Diagnostic (MSD.EXE) utility included inthe Windows directory to see a map of your used and free IRQs. For Windows 95users, the “Control Panel” icon in “My Computer,” contains a “System” icon whichgives you a “Device Manager” tab. Double clicking on a specific device gives youthe “Resources” tab, which shows the Interrupt number and address. Make sure thatno two devices use the same IRQs or your computer will experience problems whenthose two devices are in use at the same time.

WARNING! Make sure that you unplug your power supply when adding orremoving expansion cards or other system components. Failure to do so maycause severe damage to both your motherboard and expansion cards.


III. INSTALLATIONTo simplify this process this motherboard has complied with the Plug and Play (PNP)specification which was developed to allow automatic system configuration when-ever a PNP-compliant card is added to the system. For PNP cards, IRQs are as-signed automatically from those available.

If the system has both Legacy and PNP ISA cards installed, IRQs are assigned toPNP cards from those not used by Legacy cards. The PCI and PNP configuration ofthe BIOS setup utility can be used to indicate which IRQs are being used by Legacycards. For older Legacy cards that does not work with the BIOS, you can contactyour vendor for an ISA Configuration Utility.

An IRQ number is automatically assigned to PCI expansion cards after those usedby Legacy and PNP ISA cards. In the PCI bus design, the BIOS automaticallyassigns an IRQ to a PCI slot that has a card in it that requires an IRQ. To install aPCI card, you need to set the INT (interrupt) assignment. Since all the PCI slots onthis motherboard use an INTA #, set the jumpers on your PCI cards to INT A.

Assigning DMA Channels for ISA CardsSome ISA cards, both legacy and PnP, may also need to use a DMA (Direct MemoryAccess) channel. DMA assignments for this motherboard are handled the same wayas the IRQ assignment process described earlier. You can select a DMA channel inthe PCI and PnP configuration section of the BIOS Setup utility.

IMPORTANT: To avoid conflicts, reserve the necessary IRQs and DMAs for legacyISA cards (under PNP AND PCI SETUP of the BIOS SOFTWARE, choose Yes in IRQxx Used By ISA and DMA x Used By ISA for those IRQs and DMAs you want to reserve).

ISA Cards and Hardware MonitorThe onboard hardware monitor uses the address 290H-297H so legacy ISA cardsmust not use this address or else conflicts will occur.

Accelerated Graphics PortThis motherboard provides an accelerated graphics port (AGP) slot to support a newgeneration of graphics cards with ultra-high memory bandwidth, such as the ASUSAGP-V264GT3 and ASUS AGP-V3000.

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ASUS AGP-V264GT3 ASUS AGP-V3000

Accelerated Graphics Port (AGP)

Expansion Cards

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5. External Connectors

IMPORTANT: Ribbon cables should always be connected with the red stripe on thePin 1 side of the connector. The four corners of the connectors are labeled on themotherboard. Pin 1 is the side closest to the power connector on hard drives andfloppy drives. IDE ribbon cable must be less than 46cm(18in.), with the second driveconnector no more than 15cm (6in.) from the first connector.

1. PS/2 Keyboard Connector (6-pin Female)This connection is for a standard keyboard using an PS/2 plug (mini DIN). Thisconnector will not allow standard AT size (large DIN) keyboard plugs. Youmay use a DIN to mini DIN adapter on standard AT keyboards.

PS/2 Keyboard (6-pin Female)

2. PS/2 Mouse Connector (6-pin Female)The system will direct IRQ12 to the PS/2 mouse if one is detected. If not de-tected, expansion cards can use IRQ12. See “PS/2 Mouse Control” in BIOSFeatures Setup of the BIOS SOFTWARE.

PS/2 Mouse (6-pin Female)

WARNING! Some pins are used for connectors or power sources. These areclearly distinguished from jumpers in the Motherboard Layout. Placing jumpercaps over these connector pins will cause damage to your motherboard.


Connectors

III. INSTALLATION

III. INSTALLATION3. Parallel Port Connector (25-pin Female)

You can enable the parallel port and choose the IRQ through “Onboard ParallelPort” in Chipset Features Setup of the BIOS SOFTWARE.NOTE: Serial printers must be connected to the serial port.

Parallel (Printer) Port (25-pin Female)

4. Serial Port COM1 and COM2 Connectors (Two 9-pin Male)The two serial ports can be used for pointing devices or other serial devices. See“Onboard Serial Port” in Chipset Features Setup of the BIOS SOFTWARE.

COM 1 COM 2Serial Ports (9-pin Male)

5. Floppy Disk Drive Connector (34-1pin FLOPPY)This connector supports the provided floppy drive ribbon cable. After connect-ing the single end to the board, connect the two plugs on the other end to thefloppy drives. (Pin 5 is removed to prevent inserting in the wrong orienta-tion when using ribbon cables with pin 5 plugged).

Floppy Drive Connector

Pin 1Floppy Disk Drive Connector

NOTE: Orient the red stripe to Pin 1

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6. Audio Port Connectors (Three 1/8” Female) (with optional onboard audio)Line Out can be connected to headphones or preferably powered speakers.Line In allows tape players or other audio sources to be recorded by your com-puter or played through the Line Out . Mic allows microphones to be connectedfor inputing voice.

MicLine InLine Out1/8" Stereo Audio Connectors

7. Joystick/Midi Connector (15-pin Female) (with optional onboard audio)You may connect game joysticks or game pads to this connector for playinggames. Connect Midi devices for playing or editing audio.

Joystick/Midi (15-pin Female)

8. Universal Serial BUS Ports 1 & 2 (Two 4-pin Female Sockets)Two USB ports are available for connecting USB devices.

Universal Serial Bus (USB) 2

USB 1


III. INSTALLATION

Connectors

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9. Primary / Secondary IDE connectors (Two 40-1pin IDE)These connectors support the provided IDE hard disk ribbon cable.After connecting the single end to the board, connect the two plugs at the otherend to your hard disk(s). If you install two hard disks, you must configure thesecond drive to Slave mode by setting its jumper accordingly. Please refer to thedocumentation of your hard disk for the jumper settings. BIOS now supportsSCSI device or IDE CD-ROM bootup (see “HDD Sequence SCSI/IDE First” &“Boot Sequence” in the BIOS Features Setup of the BIOS SOFTWARE) (Pin20 is removed to prevent inserting in the wrong orientation when usingribbon cables with pin 20 plugged).

TIP: You may configure two hard disks to be both Masters using one ribboncable on the primary IDE connector and another ribbon cable on the secondaryIDE connector. You may install one operating system on an IDE drive andanother on a SCSI drive and select the boot disk through BIOS Features Setup.

Primary IDE Connector

PIN 1

Secondary IDE Connector

IDE Connectors

NOTE: Orient the red stripe to PIN 1

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10. IDE activity LED (2-pin IDELED)This connector supplies power to the cabinet’s IDE activity LED. Read andwrite activity by devices connected to the Primary or Secondary IDE connectorswill cause the LED to light up.

IDE Activity LED

TIP: If the case-mounted LED does not light, try reversing the 2-pin plug.

IDELED

+

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11. Chassis, CPU , & Power Supply Fan Connectors (3-pin CHA_, CPU_, PWR_FAN)These connectors support cooling fans of 500mAMP (6 Watts) or less. Orien-tate the fans so that the heat sink fins allow airflow to go across the onboard heatsink(s) instead of the expansion slots. Depending on the fan manufacturer, thewiring and plug may be different. The red wire should be positive, while theblack should be ground. Connect the fan’s plug to the board taking into consid-eration the polarity of the this connector. NOTE: The “Rotation” signal is tobe used only by a specially designed fan with rotation signal.

WARNING! The CPU and/or motherboard will overheat if there is no airflowacross the CPU and onboard heatsinks. Damage may occur to the motherboardand/or the CPU fan if these pins are incorrectly used. These are not jumpers,do not place jumper caps over these pins.

Orientate the fins so that airflow runsacross motherboard's regulators

Air FlowAir Flow

12Volt Cooling Fan Power

Chassis Fan PowerPower Supply FanCPU Fan Power

GN

D

Rot

atio

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12V

R

GN

D

Rot

atio

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Rotation

GND+12V

12. Modem Connector (4-pin MDM) (with optional onboard audio)These connector connects to a compatible modem.

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Onboard Modem Connector

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13. IrDA / Fast IR-Compliant infrared module connector (5-pin IR)This connector supports the optional wireless transmitting and receiving infra-red module. This module mounts to a small opening on system cases that sup-port this feature. You must also configure the setting through “UART2 UseInfrared” in Chipset Features Setup to select whether UART2 is directed foruse with COM2 or IrDA. Use the five pins as shown on the Back View andconnect a ribbon cable from the module to the motherboard according to the pindefinitions.

Front View

+5VIRTX

IRRX(NC)GND

Back View

Infrared Module ConnectorFor the infrared feature to be available,you must connect an infrared (IrDA)module (optional) to the motherboard

R

IRR

X

+5V

IRT

X

(NC

)

GN

D

14. ATX Power Supply Connector (20-pin block ATXPWR)This connector connects to a ATX power supply. The plug from the power supplywill only insert in one orientation because of the different hole sizes. Find theproper orientation and push down firmly making sure that the pins are aligned.

IMPORTANT: Make sure that your ATX power supply can supply at least10mAmp on the 5-volt standby lead (5VSB). You may experience difficulty inpowering on your system if your power supply cannot support the load. ForWake on LAN support, your ATX power supply must supply at least 720mAmp.

ATX Power Connector

+3.3 Volts-12.0 VoltsGroundPower Supply GroundGroundGround-5.0 Volts+5.0 Volts+5.0 Volts

Power Good

+12.0 Volts

+3.3 Volts+3.3 Volts

Ground+5.0 Volts

Ground+5.0 Volts

Ground

+5.0 Volts Standby

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15. Wake on LAN (3-pin WOL)The WAKE_LAN connector allows the system to power up when there is awakeup package (signal) received from the network through the ASUS PCI-L101 LAN card. Requires the ASUS PCI-L101 and an ATX power supply withat least 720mAmp +5VSB.

Wake On LAN Connector

R

PMEGround

+5 Volt Standby

16. Stereo audio in connector (4-pin CD1) (with optional onboard audio)This connector allows you to receive stereo audio input from a such sound sourcesas TV tuner or MPEG card.

Analog Audio Line Out Connector

R

Right Audio Channel

Left Audio ChannelGroundGround

17. Stereo audio in connector (4-pin CD2) (with optional onboard audio)This connector allows you attach the audio cable from your CD-ROM drive forstereo audio input.

R

CD In Connector

Right Audio Channel

Left Audio ChannelGround

Ground


III. INSTALLATION

Connectors

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18. Message LED Lead (MSG.LED, 2 pins)This indicates whether a message has been received from a fax/modem. The LEDwill remain lit when there is no signal and blink when data are being transfer ormessages are waiting in the inbox. This function requires ACPI OS support.

19. SMI Suspend Switch Lead (SMI, 2 pins)This allows the user to manually place the system into a suspend mode or “Green”mode where system activity will be instantly decreased to save electricity andexpand the life of certain components when the system is not in use. This 2-pinconnector (see the figure below) connects to the case-mounted suspend switch.If you do not have a switch for the connector, you may use the “Turbo Switch”since it does not have a function. SMI is activated when it detects a short to openmoment and therefore leaving it shorted will not cause any problems. Mayrequire one or two pushes depending on the position of the switch. Wake-up canbe controlled by settings in the BIOS but the keyboard will always allow wake-up (the SMI lead cannot wake-up the system). If you want to use this connector,“Suspend Switch” in the Power Management Setup of the BIOS SOFTWAREsection should be on the default setting of Enable.

20. ATX Power Switch / Soft Power Switch (PWR, 2 pins)The system power is controlled by a momentary switch connected to this lead.Pushing the button once will switch the system between ON and SLEEP. Push-ing the switch while in the ON mode for more than 4 seconds will turn thesystem off. The system power LED shows the status of the system’s power.

21. Reset Switch Lead (RESET, 2 pins)This 2-pin connector connects to the case-mounted reset switch for rebootingyour computer without having to turn off your power switch This is a preferredmethod of rebooting in order to prolong the life of the system’s power supply.

22. System Power LED (KEYLOCK, 3 pins)This 3-pin connector connects the system power LED, which lights when thesystem is powered on and blinks when it is in sleep mode.

23. Keyboard Lock Switch Lead (KEYLOCK, 2 pins)This 2-pin connector connects to the case-mounted key switch to allow key-board locking.

24. Speaker Connector (SPEAKER, 4 pins)This 4-pin connector connects to the case-mounted speaker.

System Panel Connectors

+5VNCGNDLOCKGND

+5V

SPKR

SpeakerConnector

GND

GND

GND+5V

Reset SW

SMI Lead

MessageLED

ATX PowerSwitch

SystemPower LED

Keyboard Lock

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Power Connection Procedures1. After all jumpers and connections are made, close the system case cover.

2. Be sure that all switches are off (in some systems, marked with ).

3. Connect the power supply cord into the power supply located on the back ofyour system case according to your system user’s manual.

4. Connect the power cord into a power outlet that is equipped with a surge protector.

5. You may then turn on your devices in the following order:a. Your monitorb. External SCSI devices (starting with the last device on the chain)c. Your system power. For ATX power supplies, you need to switch

on the power supply as well as press the ATX power switch on thefront of the case.

6. The power LED on the front panel of the system case will light. For ATX powersupplies, the system LED will light when the ATX power switch is pressed. Themonitor LED may light up after the system’s if it complies with “green” stan-dards or if it has a power standby feature. The system will then run power-ontests. While the tests are running, additional messages will appear on the screen.If you do not see anything within 30 seconds from the time you turn on thepower, the system may have failed a power-on test. Recheck your jumper set-tings and connections or call your retailer for assistance.

7. During power-on, hold down <Delete> to enter BIOS setup. Follow the instruc-tions in the next section, BIOS SOFTWARE.

* Powering Off your computer: You must first exit or shut down your operatingsystem before switching off the power switch. For ATX power supplies, youcan press the ATX power switch after exiting or shutting down your operatingsystem. If you use Windows 95, click the Start button, click Shut Down, andthen click Shut down the computer?. The system will give three quick beepsafter about 30 seconds and then power off after Windows shuts down.

NOTE: The message “You can now safely turn off your computer” will notappear when shutting down with ATX power supplies.


IV. BIOS SOFTWARESupport SoftwareFILELIST.TXT - View this file to see the files included in the support software.

PFLASH.EXE - This is the Flash Memory Writer utility that updates the BIOS byuploading a new BIOS file to the programmable flash ROM chip on the mother-board. To determine the BIOS version, check the last four numbers of the codedisplayed on the upper left-hand corner of your screen during bootup. Larger num-bers represent a newer BIOS file.

NOTE: A binary BIOS file is no longer included with the support software. Savethe motherboard’s BIOS file to a floppy disk as soon as your system is operational.See “Flash Memory Writer Utility” in this section to “Save Current BIOS to File.”

Flash Memory Writer UtilityThe flash memory writer utility must be run while the system is in real mode. Inparticular, the “Update BIOS Main Block From File” and “Update BIOS IncludingBoot Block and ESCD” options require real mode. To run this utility, boot from asystem floppy disk without the AUTOEXEC.BAT and CONFIG.SYS files.

IMPORTANT: If “unknown” is displayed after Flash Type -- , the memory chipis not programmable or is not supported with the PnP BIOS and therefore cannot beprogrammed by the Flash Memory Writer utility.

Main Menu1. Save Current BIOS To FileThis option allows you to copy the contents of the flash memory onto a floppy disk.This gives you a backup copy of the original motherboard BIOS in case you need toreinstall it. Create a bootable DOS diskette without AUTOEXEC.BAT andCONFIG.SYS and save both PFLASH.EXE and the BIOS file(s) to it. Note: BIOSFEATURES SETUP Boot Sequence needs to be set to A first in order to boot fromyour disk drive A.

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3. Advanced FeaturesThis option displays the Advanced Features screen for clearing the PnP configura-tion record and updating the motherboard BIOS.

Advanced Features Menu

1. Clear PNP ESCD Parameter BlockThis option erases the Plug-and-Play (PnP) configuration record.

2. Update BIOS Including Boot Block and ESCDThis option updates the boot block, the baseboard BIOS, and the PnP extended sys-tem configuration data- (ESCD) parameter block from a new BIOS file.


IV. BIOS SOFTWARE

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Managing and Updating Your Motherboard’s BIOS

Upon First Use of the Computer System1. Create a bootable system floppy diskette by typing [FORMAT A:/S] from the

DOS prompt without creating “AUTOEXEC.BAT” and “CONFIG.SYS” files.2. Copy PFLASH.EXE to your new diskette.3. Run PFLASH.EXE from your new diskette and select option 1 “Save Current

BIOS to File.” Enter the “Current BIOS Revision:” for the file name.

Updating BIOS (only when necessary)

IMPORTANT: If “unknown” is displayed after Flash Type -- , the memory chipis not programmable or is not supported with the PnP BIOS and therefore cannot beprogrammed by the Flash Memory Writer utility.

1. Download an updated ASUS BIOS file from the Internet (WWW or FTP) or aBBS (Bulletin Board Service) (see ASUS CONTACT INFORMATION on page3 for details) and save to the disk you created earlier.

2. Turn off your computer.3. Boot from the disk you created earlier.4. At the “A:\” prompt, type PFLASH and then press <Enter>.5. Enter 2 “Update BIOS Main Block From File” from the Main Menu or option 2

“Update BIOS Including Boot Block and ESCD” from the Advanced FeaturesMenu if prompted by option 2 of the Main Menu.

6. The program displays a second screen prompting you for the name of the BIOSfile. Type in the complete file name and extension of the new BIOS, and thenpress <Enter>. The utility then updates the BIOS file from disk.

WARNING! If you encounter problems while updating the new BIOS, DO NOTturn off your system since this might prevent your system from booting up. Justrepeat the process, and if the problem still persists, update the original BIOS fileyou saved to disk above. If the Flash Memory Writer utility was not able tosuccessfully update a complete BIOS file, your system may not be able to bootup. If this happens, your system will need service.

7. After successfully updating the new BIOS file, exit the Flash Memory Writerutility and then turn off your system.

8. Turn on your computer and press <Delete> to enter BIOS setup. You must select“Setup Default” to effect the new BIOS, after which you may set the other itemsfrom the Main Menu.


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The motherboard supports two programmable Flash ROM chips: 5 Volt and 12Volt. Either of these memory chips can be updated when BIOS upgrades are re-leased. Use the Flash Memory Writer utility to download the new BIOS file into theROM chip as described in detail in this section.

All computer motherboards provide a Setup utility program for specifying the sys-tem configuration and settings. If your motherboard came in a computer system, theproper configuration entries may have already been made. If so, invoke the Setuputility, as described later, and take note of the configuration settings for future refer-ence; in particular, the hard disk specifications.

If you are installing the motherboard, reconfiguring your system or you receive aRun Setup message, you will need to enter new setup information. This sectiondescribes how to configure your system using this utility.

The BIOS ROM of the system stores the Setup utility. When you turn on the com-puter, the system provides you with the opportunity to run this program. This ap-pears during the Power-On Self Test (POST). Press <Delete> to call up the Setuputility. If you are a little bit late pressing the mentioned key(s), POST will continuewith its test routines, thus preventing you from calling up Setup. If you still need tocall Setup, reset the system by pressing <Ctrl> + <Alt> + <Delete>, or by pressingthe Reset button on the system case. You can also restart by turning the system offand then back on again. But do so only if the first two methods fail.

When you invoke Setup, the CMOS SETUP UTILITY main program screen willappear with the following options:


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Load DefaultsThe Load BIOS Defaults option loads the minimum settings for troubleshooting.Load Setup Defaults, on the other hand, is for loading optimized defaults for regu-lar use. Choosing defaults at this level will modify all applicable settings.

A section at the bottom of the preceding screen displays the control keys for thisscreen. Take note of these keys and their respective uses.

Standard CMOS SetupStandard CMOS Setup allows you to record some basic system hardware configu-ration and set the system clock and error handling. If the motherboard is alreadyinstalled in a working system, you will not need to select this option anymore. How-ever, if the configuration stored in the CMOS memory on the board gets lost ordamaged, or if you change your system hardware configuration, you will need torespecify the configuration values. The configuration values usually get lost orcorrupted when the power of the onboard CMOS battery weakens.

The preceding screen provides you with a list of options. At the bottom of this screenare the control keys. Take note of these keys and their respective uses.

User-configurable fields appear in a different color. If you need information on theselected field, press <F1>. The help menu will then appear to provide you with theinformation you need. The memory display at the lower right of the screen is read-only and automatically adjusts accordingly.

Details of Standard CMOS Setup:DateTo set the date, highlight the “Date” field and then press either <Page Up>/<Page Down>or <+>/<–> to set the current date. Follow the month, day and year format. Valid valuesfor month, day and year are: Month: (1 to 12), Day: (1 to 31), Year: (up to 2079)


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TimeTo set the time, highlight the “Time” field and then press either <Page Up>/<Page Down>or <+>/<–> to set the current time. Follow the hour, minute and second format. Validvalues for hour, minute and second are: (Hour: (00 to 23), Minute: (00 to 59), Second:(00 to 59). If you do not want to modify the current time, press <Enter> three timesto go to Hard Disks.

NOTE: You can bypass the date and time prompts by creating an AUTOEXEC.BATfile. For information on how to create this file, refer to the MS-DOS manual.

Hard Disk DrivesThis field records the specifications for all non-SCSI hard disk drives installed inyour system. The onboard PCI IDE connectors provide Primary and Secondarychannels for connecting up to four IDE hard disks or other IDE devices. Each chan-nel can support up to two hard disks; the first of which is the “master” and thesecond is the “slave”.

Specifications for SCSI hard disks need not to be entered here since they operateusing device drivers and are not supported by any the BIOS. If you install either theoptional PCI-SC200 or PCI-SC860 SCSI controller card into the motherboard, seesection VI for instructions. If you install other vendor’s SCSI controller card, referto their respective documentations on how to install the required SCSI drivers.

For IDE hard disk drive setup, you can:• Use the Auto setting for detection during bootup.• Use the IDE HDD AUTO DETECTION in the main menu to automatically

enter the drive specifications.• Enter the specifications yourself manually by using the “User” option.

The entries for specifying the hard disk type include CYLS (number of cylinders),HEAD (number of read/write heads), PRECOMP (write precompensation), LANDZ(landing zone), SECTOR (number of sectors) and MODE . The SIZE field auto-matically adjusts according to the configuration you specify. The documentationthat comes with your hard disk should provide you with the information regardingthe drive specifications.

The MODE entry is for IDE hard disks only, and can be ignored for MFM and ESDIdrives. This entry provides three options: Normal, Large, LBA, or Auto (see below).Set MODE to the Normal for IDE hard disk drives smaller than 528MB; set it toLBA for drives over 528MB that support Logical Block Addressing (LBA) to allowlarger IDE hard disks; set it to Large for drives over 528MB that do not supportLBA. Large type of drive can only be used with MS-DOS and is very uncommon.Most IDE drives over 528MB support the LBA mode.


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Auto detection of hard disks on bootupFor each field: Primary Master, Primary Slave, Secondary Master, and SecondarySlave, you can select Auto under the TYPE and MODE fields. This will enable autodetection of your IDE hard disk during bootup. This will allow you to change yourhard disks (with the power off) and then power on without having to reconfigureyour hard disk type. If you use older hard disks that do not support this feature, thenyou must configure the hard disk in the standard method as described earlier by the“User” option.

NOTE: After the IDE hard disk drive information has been entered into BIOS, newIDE hard disk drives must be partitioned (such as with FDISK) and then formattedbefore data can be read from and write on. Primary IDE hard disk drives must haveits partition set to active (also possible with FDISK).

NOTE: SETUP Defaults are noted in parenthesis next to each function heading.

Drive A / Drive B (None)These fields record the types of floppy disk drives installed in your system. Theavailable options for drives A and B are: 360KB, 5.25 in.; 1.2MB, 5.25 in.; 720KB,3.5 in.; 1.44MB, 3.5 in.; 2.88MB, 3.5 in.; None

To enter the configuration value for a particular drive, highlight its correspondingfield and then select the drive type using the left- or right-arrow keys.

Floppy 3 Mode Support (Disabled)This is the Japanese standard floppy drive. The standard stores 1.2MB in a 3.5inchdiskette. This is normally disabled but you may choose from either: Drive A, DriveB, Both, and Disabled

Video (EGA/VGA)Set this field to the type of video display card installed in your system. The optionsare EGA/VGA, CGA 40, CGA 80, and Mono (for Hercules or MDA).

If you are using a VGA or any higher resolution card, choose EGA/VGA.

Halt On (All Errors)This field determines which types of errors will cause the system to halt. Choose fromAll Errors; No Errors; All,But Keyboard; All,But Diskette; and All,But Disk/Key.


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BIOS Features SetupBIOS Features Setup consists of configuration entries that allow you to improveyour system performance, or let you set up some system features according to yourpreference. Some entries are required by the motherboard’s design to remain intheir default settings.

A section at the lower right of the screen displays the control keys you can use. Takenote of these keys and their respective uses. If you need information on a particularentry, highlight it and then press <F1>. A pop-up help menu will appear to provideyou with the information you need. <F5> loads the last set values, <F6> and <F7>loads the BIOS default values and Setup default values, respectively.


Details of BIOS Features SetupVirus Warning (Disabled)This field protects the boot sector and partition table of your hard disk against accidentalmodifications. Any attempt to write to them will cause the system to halt and display awarning message. If this occurs, you can either allow the operation to continue or use abootable virus-free floppy disk to reboot and investigate your system. This setting is rec-ommended because of conflicts with new operating systems or some programs. Installa-tion of these programs requires that you disable Virus Warning to prevent write errors.

CPU Internal Cache (Enabled)Choose Disable to turn off the CPU’s built-in level 1 cache.

External Cache (Enabled)Choose Disable to turn off the CPU’s external level 2 cache.

Quick Power On Self Test (Enabled)This field speeds up the Power-On Self Test (POST) routine by skipping retesting asecond, third, and forth time. Setup default setting for this field is Enabled. A com-plete test of the system is done on each test.


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BIOS Features

HDD Sequence SCSI/IDE First (IDE)When using both SCSI and IDE hard disk drives, IDE is always the boot disk usingdrive letter C (default setting of IDE ). This new feature allows a SCSI hard diskdrive to be the boot disk when set to SCSI. This allows multiple operating systems tobe used on both IDE and SCSI drives or the primary operating system to boot usinga SCSI hard disk drive.

Boot Sequence (C,A)This field determines where the system looks first for an operating system. Options areC,A; A,CDROM,C; CDROM,C,A; D,A; E,A; F,A; C only; LS/ZIP, C; and A,C. The setupdefault setting is to check first the hard disk and then the floppy disk drive; that is, C, A.

Boot Up Floppy Seek (Disabled)When enabled, the BIOS will seek drive A one time.

Floppy Disk Access Control (R/W)This allows protection of files from the computer system to be copied to floppy diskdrives by allowing the setting of Read Only to only allow reads from the floppy diskdrive but not writes. The setup default R/W allows both reads and writes.

IDE HDD Block Mode Sectors (HDD MAX)This field enhances hard disk performance by making multi-sector transfers insteadof one sector per transfer. Most IDE drives, except older versions, can utilize thisfeature. Selections are HDD MAX, Disabled, 2, 4, 8, 16, and 32.

Security Option (System)This field determines when the system prompts for the password. The default set-ting is System, where the system prompts for the User Password every time you bootup. The other option is Setup, where the system always boots up, and prompts forthe Supervisor Password only when the Setup utility is called up. You can specify apassword by using the Supervisor Password or User Password option from the mainscreen as explained later in this section.

PS/2 Mouse Function Control (Auto)The default of Auto allows the system to detect a PS/2 mouse on bootup. If detected,IRQ12 will be used for the PS/2 mouse. IRQ12 will be reserved for expansion cardsif a PS/2 mouse is not detected. Enabled will reserve IRQ12 for the PS/2 mouse, andthus other devices will not be able to use IRQ12.

PCI/VGA Palette Snoop (Disabled)Some display cards that are nonstandard VGA such as graphics accelerators or MPEGVideo Cards may not show colors properly. The setting Enabled should correct thisproblem. Otherwise leave this on the setup default setting of Disabled.

OS/2 Onboard Memory > 64M (Disabled)When using OS/2 operating systems with installed DRAM of greater than 64MB,you need to Enable this option otherwise leave this on the setup default of Disabled.......................................................................................................................................


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Video ROM BIOS Shadow (Enabled)This field allows you to change the video BIOS location from ROM to RAM. Relocat-ing to RAM enhances system performance, as information access is faster than the ROM.

C8000 - CBFFF Shadow to DC000 - DFFFF Shadow (Disabled)These fields are used for shadowing other expansion card ROMs. If you install otherexpansion cards with ROMs on them, you will need to know which addresses theROMs use to shadow them specifically. Shadowing a ROM reduces the memoryavailable between 640KB and 1024KB by the amount used for this purpose.

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Boot Up NumLock Status (On)This field enables users to activate the Number Lock function upon system boot.

Typematic Rate Setting (Disabled)When enabled, you can set the two typematic controls listed next. Setup defaultsetting is Disabled.

Typematic Rate (Chars/Sec) (6)This field controls the speed at which the system registers repeated keystrokes. Op-tions range from 6 to 30 characters per second. Setup default setting is 6; othersettings are 8, 10, 12, 15, 20, 24, and 30.

Typematic Delay (Msec) (250)This field sets the time interval for displaying the first and second characters. Fourdelay rate options are available: 250, 500, 750, and 1000.


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Chipset Features

Chipset Features SetupThis “Chipset Features Setup” option controls the configuration of the board’s chipset.Control keys for this screen are the same as in the BIOS Features Setup screen.


Details of Chipset Features SetupEDO/FPM Configuration (60ns DRAM)The default setting of 60ns DRAM automatically sets the optimal timings for items2–7 for 60ns DRAM modules. If you are using 70ns DRAM modules, change thisitem to 70ns DRAM. See section III for DRAM installation information. Disabledallows you to configure RAS Precharge Time, RAS to CAS Delay, CAS PrechargeTime, CAS Pulse Width (Read and Write), and Refresh RAS Assertion.

SDRAM Configuration (12ns SDRAM)If you use ASUS SDRAM DIMM modules, you can set this to 10ns SDRAM for betterperformance, otherwise leave on default or check with your vendor for DIMM specifications.

Linear Mode SRAM Support (Disabled)For a slightly better performance on IBM/Cyrix CPUs, this function can be Enabledto switch from Toggle mode SRAM to Linear mode SRAM support.WARNING: Intel CPUs currently only support the Toggle mode so leave this func-tion Disabled when using Intel CPUs.

ROM Cycle Wait States (1 Wait)Timing for 16-bit ISA cards. Leave on default setting of 1 Wait.

16-bit I/O Recovery Time (5 BUSCLK)Timing for 16-bit ISA cards. Leave on default setting of 5 BUSCLK.

8-bit I/O Recovery Time (8 BUSCLK)Timing for 8-bit ISA cards. Leave on default setting of 8 BUSCLK.

ISA Bus Clock (PCICLK/4)Timing for the ISA bus clock. Leave on default setting of PCICLK/4.


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Graphics Aperture Size (64MB) (Leave on default setting of 64MB)Memory-mapped, graphics data structures can reside in a Graphics Aperture.

Memory Hole at Address (None)This features reserves either 12MB-16MB, 14MB-16MB, or 15MB-16MB memoryaddress space to ISA expansion cards that specifically require this setting. Memoryfrom either 12MB and up, 14MB and up, or 15MB and up will be unavailable to thesystem because expansion cards can only access memory up to 16MB.

Refresh Queue Depth (12)This function sets the DRAM refresh rate. A slow refresh cycle time increases thebandwidth available for data transfers. NOTE: Some DRAMs are known to losedata without frequent refreshing so the default is set at 0.

Delayed Transaction (Enabled)The default setting of Enabled frees the PCI Bus during CPU accessing of 8-bit ISAcards, which normally consume about 50–60 PCI clocks without PCI delayed trans-action. For PCI bus masters that cannot use the PCI Bus and some ISA cards that arenot PCI 2.1 compliant, set this to Disabled.

DRAM are 64 (Not 72) bits wideThis motherboard does not have parity support, thus DRAM modules are always 64bits wide.

Data Integrity Mode (None)The setting None has byte-wise write capability but no provision for protecting dataintegrity in the DRAM array. You can enable the ECC function if ECC-supportedDIMM is used. (See section III for more information on memory modules.)....................................................................................................................................

Onboard FDC Controller (Enabled)When enabled, this field allows you to connect your floppy disk drives to the on-board floppy drive connector instead of a separate controller card. If you want to usea different controller card to connect the floppy drives, set this field to Disabled.

Onboard FDC Swap A & B (No Swap)This field allows you to reverse the hardware drive letter assignments of your floppydisk drives through the onboard chipset. If you want to switch drive letter assign-ments, set this field to Swap AB. Default setting is No Swap.

Onboard Serial Port 1 (3F8H/IRQ4) and Onboard Serial Port 2 (2F8H/IRQ3)Settings are 3F8H/IRQ4, 2F8H/IRQ3, 3E8H/IRQ4, 2E8H/IRQ10, and Disabled forthe onboard serial connectors. Default setting for Serial Port 1 is 3F8H/IRQ4, whilefor Serial Port 2 is 2F8H/IRQ3.


Chipset Features

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Chipset Features

Onboard Parallel Port (378H/IRQ7)This field sets the address of the onboard parallel port connector. You can select either3BCH / IRQ 7, 378H / IRQ 7, 278H / IRQ 5, or Disabled. If you install an I/O card witha parallel port, ensure that there is no conflict in the address assignments. The PC cansupport up to three parallel ports as long as there are no conflicts for each port.

Parallel Port Mode (ECP+EPP)This field allows you to set the operation mode of the parallel port. The settingNormal, allows normal-speed operation but in one direction only; EPP allows bidi-rectional parallel port operation at maximum speed; ECP allows the parallel port tooperate in bidirectional mode and at a speed faster than the maximum data transferrate; ECP+EPP allows normal speed operation in a two-way mode.

ECP DMA Select (3)This selection is available only if you select ECP or ECP+EPP in theParallel Port Mode. Select either DMA Channel 1, 3, or Disabled.

UART2 Use Infrared (Disabled)When enabled, this field activates the onboard infrared feature and sets the second serialUART to support the infrared module connector on the motherboard. If your systemalready has a second serial port connected to the onboard COM2 connector, it will nolonger work if you enable the infrared feature. By default, this field is set to Disabled,which leaves the second serial port UART to support the COM2 serial port connector.

Onboard PCI IDE Enable (Both)You can select to enable the Primary IDE channel, Secondary IDE channel, Both, orDisable both channels (for systems with only SCSI drives).

IDE Ultra DMA Mode (Auto)This sets the IDE UltraDMA to be active when using UltraDMA-capable IDE de-vices. The BIOS will automatically adjust or disable this setting for slower IDEdevices so that Auto or high settings will not cause problems for older IDE devices.Choose Disable if you do not want this feature for all devices.

IDE 0 Master/Slave PIO/DMA Mode, IDE 1 Master/Slave PIO/DMA Mode (Auto)Each channel (0 and 1) has both a master and a slave making four IDE devices possible.Because each IDE device may have a different Mode timing (0, 1, 2, 3, 4), it is necessaryfor these to be independent. PIO and DMA timings can be independently set. The defaultsetting of Auto will allow autodetection to ensure optimal performance.


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Power Management SetupThis “Power Management Setup” option allows you to reduce power consumption.This feature turns off the video display and shuts down the hard disk after a periodof inactivity.


Details of Power Management SetupPower Management (User Define)This field acts as the master control for the power management modes. User Defineallows you to set power saving options according to your preference; Disable dis-ables the power saving features; Min Saving puts the system into power saving modeafter 40 min of system inactivity; Max Saving puts the system into power savingmode after 30 sec of system inactivity.

IMPORTANT: Advanced Power Management (APM) must be installed to keep thesystem time updated when the computer enters suspend mode activated by the BIOSPower Management. For DOS, you must add DEVICE=C:\DOS\POWER.EXE inyour CONFIG.SYS. For Windows 3.x and Windows 95, you must install with theAPM feature enabled. A “Power” icon will appear in the “Control Panel.” Choose“Advanced” in the Power Management Field.

Video Off Option (Susp,Stby -> Off )This field determines when to activate the video off feature for monitor powermanagement. The settings are Susp,Stby -> Off (default); All Modes -> Off; AlwaysOn; and Suspend -> Off.


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Video Off Method (DPMS OFF)This field defines the video off features. These options are available: DPMS OFF,DPMS Reduce ON, Blank Screen, V/H SYNC+Blank, DPMS Standby, and DPMS Sus-pend. The DPMS (Display Power Management System) features allow the BIOS tocontrol the video display card if it supports the DPMS feature. Blank Screen onlyblanks the screen (or monitors without power management or “green” features). If setup in your system, your screen saver will not display with Blank Screen selected. V/HSYNC+Blank blanks the screen and turns off vertical and horizontal scanning.......................................................................................................................................PM TimersThis section controls the time-out settings for the Power Management scheme. Thesystem automatically “wakes up” from any power saving mode when there is sys-tem activity, such as when a key is pressed from the keyboard, or when there isactivity detected from the enabled IRQ channels.

HDD Power Down (Disable)This feature shuts down any IDE hard disk drives in the system after a period ofinactivity. This time period is user-configurable to 1-15 Mins or Disable. This fea-ture does not affect SCSI hard disks.

Doze Mode, Standby Mode, Suspend Mode (Disable)These fields set the period of time after which each of these modes activate: 30 Sec,1 Min, 2 Min, 4 Min, 8 Min, 20 Min, 30 Min, 40 Min, 1 Hour, and Disable........................................................................................................................................Power Up ControlThis section determines the ways the system can be controlled when it is started orrestarted, when modem activity is detected, or when power to the computer is inter-rupted and reapplied. The Soft-Off mode refers to powering off the system througha momentary button switch (ATX switch) or through the software as opposed todisconnecting the AC power by way of a rocker switch or other means.

Ring Power Up (Enable)This field allows either settings of Enable (default) or Disable for powering up thecomputer (turns the ATX power supply on) when the modem begins receiving ortransmitting data while the computer is off.

Automatic Power Up (Disable)This field allows you to have an unattended or automatic power up of your system.You may configure your system to power up at a certain time of the day by selectingEnable, which will allow you to set the days (SUN–SAT) and time (hh:mm:ss) whenyou want this function to activate......................................................................................................................................Fan Monitor (xxxxRPM)The onboard hardware monitor can detect the Chassis Fan Speed and CPU FanSpeed. These values refresh upon any key entries in the BIOS setup screen. Set toIgnore if one of these are not used so that error messages will not be given.


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Thermal Monitor (xxxC/xxxF)The onboard hardware monitor can detect the CPU and MB (motherboard) tempera-tures. These values refresh upon key entries. Set to Ignore only if necessary.

Voltage Monitor (xx.xV)The onboard hardware monitor can detect the voltages put out by the voltage regu-lators. These values refresh upon key entries. Set to Ignore only if necessary.

NOTE: If any of the monitored items are out of range, you will get an error mes-sage. Follow the onscreen instructions to troubleshoot.

PNP and PCI SetupThis “PNP and PCI Setup” option configures the PCI bus slots. All PCI bus slots onthe system use INTA#, thus all installed PCI cards must be set to this value.


Details of PNP and PCI SetupPNP OS Installed (No)This field allows you to use a Plug-and-Play (PnP) operating system to configurethe PCI bus slots instead of using the BIOS. Thus interrupts may be reassigned bythe OS when Yes is selected. When a non-PnP OS is installed or to prevent reassign-ing of interrupt settings, select the default setting of No.

Slot 1 (RIGHT) IRQ to Slot 4 (LEFT) IRQ (Auto)These fields set how IRQ use is determined for each PCI slot. The default setting foreach field is Auto, which uses auto-routing to determine IRQ use. The other options aremanual settings of NA, 5, 7, 9, 10, 11, 12, 14 or 15 for each slot.

PCI Latency Timer (32 PCI Clock)The default setting of 32 PCI Clock enables maximum PCI performance.


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PnP / PCI

DMA x Used By ISA (No/ICU)These fields indicate whether or not the displayed DMA channel for each field isbeing used by a legacy (non-PnP) ISA card. Available options include: No/ICU andYes. The first option, the default setting, indicates either that the displayed DMAchannel is not used or an ICU is being used to determine if an ISA card is using thatchannel. If you install a legacy ISA card that requires a unique DMA channel, andyou are not using an ICU, you must set the field for that channel to Yes.

ISA MEM Block BASE (No/ICU)This field allows you to set the base address and block size of a legacy ISA card thatuses any memory segment within the C800H and DFFFH address range. If youhave such a card, and you are not using an ICU to specify its address range, select abase address from the six available options; the ISA MEM Block SIZE field willthen appear for selecting the block size. If you have more than one legacy ISA cardin your system that requires to use this address range, you can increase the blocksize to either 8K, 16K, 36K, or 64K. If you are using an ICU to accomplish this task,leave ISA MEM Block BASE to its default setting of No/ICU.

SYMBIOS SCSI BIOS (Auto)The default uses Auto settings for the onboard SCSI BIOS. If you do not want to usethe onboard SCSI BIOS, choose Disabled.

USB Function (Disabled)The motherboard supports Universal Serial Bus (USB) devices but current operatingsystems do not. The default is set to Disabled. If you have the necessary support disksand USB devices, set this function to Enabled to use the onboard USB connector.

USB IRQ (Auto)When USB devices are connected to the onboard USB connector, the resource set-tings or IRQs for these devices are, by default, automatically assigned by the BIOS.You may manually select the settings: 5, 7, 9, 10, 11, 12, 14, and 15. If you are notusing any USB devices, you may set this field to NA.

IRQ xx Used By ISA (No/ICU)These fields indicate whether or not the displayed IRQ for each field is being usedby a legacy (non-PnP) ISA card. Two options are available: No/ICU and Yes. Thefirst option, the default value, indicates either that the displayed IRQ is not used oran ISA Configuration Utility (ICU) is being used to determine if an ISA card isusing that IRQ. If you install a legacy ISA card that requires a unique IRQ, and youare not using an ICU, you must set the field for that IRQ to Yes. For example: If youinstall a legacy ISA card that requires IRQ 10, then set IRQ10 Used By ISA to Yes.......................................................................................................................................


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Load BIOS DefaultsThis “Load BIOS Defaults” option allows you to load the troubleshooting defaultvalues permanently stored in the BIOS ROM. These default settings are non-opti-mal and disable all high performance features. To load these default settings, high-light “Load BIOS Defaults” on the main screen and then press <Enter>. The systemdisplays a confirmation message on the screen. Press <Y> and then <Enter> toconfirm. Press <N> and then <Enter> to abort. This feature does not affect thefields on the Standard CMOS Setup screen.

Load Setup DefaultsThis “Load Setup Defaults” option allows you to load the default values to the sys-tem configuration fields. These default values are the optimized configuration set-tings for the system. To load these default values, highlight “Load Setup Defaults”on the main screen and then press <Enter>. The system displays a confirmationmessage on the screen. Press <Y> and then <Enter> to confirm. Press <N> andthen <Enter> to abort. This feature does not affect the fields on the Standard CMOSSetup screen.


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Password

Supervisor Password and User PasswordThese two options set the system passwords. “Supervisor Password” sets a pass-word that will be used to protect the system and the Setup utility; “User Password”sets a password that will be used exclusively on the system. By default, the systemcomes without any passwords. To specify a password, highlight the type you wantand then press <Enter>. A password prompt appears on the screen. Taking note thatthe password is case sensitive, and can be up to 8 alphanumeric characters long, typein your password and then press <Enter>. The system confirms your password byasking you to type it again. After setting a password, the screen automatically re-verts to the main screen.

To implement password protection, specify in the “Security Option” field of theBIOS Features Setup screen when the system will prompt for the password. If youwant to disable either password, press <Enter> instead of entering a new passwordwhen the “Enter Password” prompt appears. A message confirms the password hasbeen disabled.

NOTE: If you forget the password, see CMOS RAM in section III for procedureson clearing the CMOS.


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IDE HDD Auto DetectionThis “IDE HDD Auto Detection” option detects the parameters of an IDE hard diskdrive, and automatically enters them into the Standard CMOS Setup screen.

Up to four IDE drives can be detected, with parameters for each listed inside thebox. To accept the optimal entries, press <Y> or else select from the numbers dis-played under the OPTIONS field (2, 1, 3 in this case); to skip to the next drive, press<N>. If you accept the values, the parameters will appear listed beside the driveletter on the screen. The process then proceeds to the next drive letter. Pressing<N> to skip rather than to accept a set of parameters causes the program to enterzeros after that drive letter.

Remember that if you are using another IDE controller that does not feature En-hanced IDE support for four devices, you can only install two IDE hard disk drives.Your IDE controller must support the Enhanced IDE features to use Drive E andDrive F. The onboard PCI IDE controller supports Enhanced IDE, with two connec-tors for connecting up to four IDE devices. If you want to use another controller thatsupports four drives, you must disable the onboard IDE controller in the ChipsetFeatures Setup screen.

When auto-detection is completed, the program automatically enters all entries youaccepted on the field for that drive in the Standard CMOS Setup screen. Skippedentries are ignored and are not entered in the screen.

If you are auto-detecting a hard disk that supports the LBA mode, three lines willappear in the parameter box. Choose the line that lists LBA for an LBA drive. Donot select Large or Normal.

The auto-detection feature can only detect one set of parameters for a particular IDEhard drive. Some IDE drives can use more than one set. This is not a problem if thedrive is new and empty.


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IMPORTANT: If your hard disk was already formatted on an older previous system,incorrect parameters may be detected. You will need to enter the correct parametersmanually or use low-level format if you do not need the data stored on the hard disk.

If the parameters listed differ from the ones used when the disk was formatted, thedisk will not be readable. If the auto-detected parameters do not match the ones thatshould be used for your disk, do not accept them. Press <N> to reject the presentedsettings and enter the correct ones manually from the Standard CMOS Setup screen.

Save & Exit SetupSelect this option to save into the CMOS memory all modifications you specifiedduring the current session. To save the configuration changes, highlight the “Save& Exit Setup” option on the main screen, type “Y”, and then press <Enter>.

Exit Without SavingSelect this option to exit the Setup utility without saving the modifications you specifyduring the current session. To exit without saving, highlight the “Exit Without Sav-ing” option on the main screen and then press <Enter>.


V. SUPPORT SOFTWARE

IV.

BIO

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ad S

etup

Def

aults

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t CD

ASUS Smart Motherboard Support CD

Inserting the support CD brings up a selection menu described as follows:(NOTE: CD version and contents are constantly modified without notice.)

• Install ASUS PC Probe: Installs the ASUS PC Probe utility to monitor fan,temperature, and voltage statuses in your computer.

• Install AGP VxD Driver: Installs the SiS 5591 AGP VxD driver.

• Install Sound Card & Joystick Driver: Installs the Crystal audio drivers.

• Install IDE Driver: Installs the SiS 5591 IDE driver.

• Browse this CD: Allows you to see the contents of the ASUS support CD.

• Technical Support Form: View the Technical Support Form with Notepad.

• Read Me: View additional notes with Notepad.

• Exit: Exit the selection menu.


Desktop Management Interface (DMI)

Introducing the ASUS DMI Configuration UtilityThis motherboard supports DMI within the BIOS level and provides a DMI Con-figuration Utility to maintain the Management Information Format Database (MIFD).DMI is able to auto-detect and record information pertinent to a computer’s systemsuch as the CPU type, CPU speed, and internal/external frequencies, and memorysize. The onboard BIOS will detect as many system information as possible andstore those collected information in a 4KB block in the motherboard’s Flash EPROMand allow the DMI to retrieve data from this database. Unlike other BIOS software,the BIOS on this motherboard uses the same technology implemented for Plug andPlay to allow dynamic real-time updating of DMI information versus creating a newBIOS image file and requiring the user to update the whole BIOS. This DMI Con-figuration Utility also allows the system integrator or end user to add additionalinformation into the MIFD such as serial numbers, housing configurations, and ven-dor information. Those information not detected by the motherboard BIOS and hasto be manually entered through the DMI Configuration Utility and updated into theMIFD. This DMI Configuration Utility provides the same reliability as PnP updat-ing and will prevent the refreshing failures associated with updating the entire BIOS.

System RequirementsThe DMI Configuration Utility (DMICFG.EXE) must be used in real mode in orderfor the program to run, the base memory must be at least 180K. Memory managerslike HIMEM.SYS (required by windows) must not be installed. You can boot upfrom a system diskette without AUTOEXEC.BAT and CONFIG.SYS files, “REM”HIMEM.SYS in the CONFIG.SYS, or press <F5> during bootup to bypass yourAUTOEXEC.BAT and CONFIG.SYS files.V. SO

FTWARE

DM

I Introduction

V. SUPPORT SOFTWARE


Using the ASUS DMI Configuration Utility

Edit DMI (or delete)

Use the ←→ (left-right) cursors to move the top menu items and the ↑↓ (up-down)cursor to move between the left hand menu items. The bottom of the screen willshow the available keys for each screen. Press enter at the menu item to enter theright hand screen for editing. “Edit component” appears on top. The reversed colorfield is the current cursor position and the blue text are available for editing. Theorange text shows auto-detected information and are not available for editing. Theblue text “Press [ENTER] for detail” contains a second pop-up menu is available,use the + - (plus-minus) keys to change the settings. Enter to exit and save, ESC toexit and not save.

If the user has made changes, ESC will prompt you to answer Y or N. Enter Y to goback to the left-hand screen and save, enter N to go back to left-hand screen and notsave. If editing has not been made, ESC will send you back to the left hand menuwithout any messages.

NotesA heading, *** BIOS Auto Detect ***, appears on the right for each menu item on the leftside that has been auto detected by the system BIOS.

A heading, *** User Modified ***, will appear on the right for menu items that have beenmodified by the user.

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V. SUPPORT SOFTWARE


Save MIFD

You can save the MIFD (normally only saved to flash ROM) to a file by entering thedrive and path here. If you want to cancel save, you may press ESC and a message“Bad File Name” appears here to show it was not saved.

Load MIFD

You can load the disk file to memory by entering a drive and path and file namehere.

Load BIOS Defaults

You can load the BIOS defaults from a MIFD file and can clear all user modifiedand added data. You must reboot your computer in order for the defaults to be savedback into the Flash BIOS.

V. SOFTW

AREU

sing DM

I Utility

V. SUPPORT SOFTWARE


Aside from the system BIOS, the Flash memory chip on the motherboard also con-tains the Symbios SCSI BIOS. This Symbios SCSI BIOS works in conjunction withthe optional ASUS PCI-SC200 controller card to provide Fast SCSI-2 interface whenusing compatible SCSI devices or the ASUS PCI-SC860 SCSI controller cards toprovide Ultra-Fast SCSI-2 interface when using Ultra-Fast SCSI-2 devices.

All SCSI devices you install on your system require driver software to function.The Symbios SCSI BIOS directly supports SCSI hard disks under the DOS, Win-dows and OS/2 environments. It also uses device drivers from the DOS floppy diskincluded in the ASUS PCI-SC200 and ASUS PCI-SC860 controller card packagesto support hard disks and other SCSI devices working under DOS, Microsoft Win-dows, Microsoft Windows NT, Novell NetWare and IBM OS/2. These drivers pro-vide higher performance than the direct BIOS support. To use these drivers, youmust install them into your system and add them to your system configuration files.Driver support for SCSI devices used with SCO UNIX is also provided. Thesedrivers are included in the second SCO UNIX floppy disk. Windows 95 support isalso available using the device drivers included within the Windows software. TheASUS PCI-SC200 and ASUS PCI-SC860 are Plug and Play adapters that are autodetected by BIOS and current operating systems that support Plug and Play features.

For information about these drivers and their usage, view the Readme files includedin the driver packages.

ASUS PCI-SC200 & PCI-SC860 SCSI CardsThe ASUS PCI-SC200 or the ASUS PCI-SC860 may be bundled with your mother-board or purchased separately. Both cards provide the option of connecting internalor external SCSI devices for a total of 7 devices on each SCSI card.

VI. ASUS PCI SCSI Cards

Symbios SCSI BIOS and Drivers

VI. A

SUS

SCSI

Car

dsSC

SI B

IOS


Setting Up the ASUS PCI-SC200 & PCI-SC860There are two jumper settings you may need to make on the ASUS PCI-SC200 to setit up. One setting assigns the PCI INT interrupt, the other sets the card’s termination.The ASUS PCI-SC860 has no jumper settings but you should read the “TerminatorRequirements.”

Setting the INT Assignment for the ASUS PCI-SC200You must use PCI INT A setting in order to properly assign the ASUS PCI-SC200’sinterrupt. On the ASUS PCI-SC200, you assign the INT by setting jumper JP1 orJP2. The default setting for the card already is INT A, so you do not need to changethe setting to use the ASUS PCI-SC200 with this motherboard.

JP 1

JP 2

INT A (Def)

123

Interrupt Settings (A, B, C, or D)

JP 1

JP 2

INT B

123

JP 1

JP 2

INT C

123

JP 1

JP 2

INT D

123

Terminator Requirements for SCSI DevicesSCSI devices are connected together in a “chain” by cables. Internal devices con-nect to the ASUS PCI-SC200 or ASUS PCI-SC860 with a fifty-pin flat ribbon cable.External devices connect to the external port with a SCSI-2 cable. If there are morethan one internal or external devices, additional devices are connected with cablesto form a “daisy chain.” Terminating the devices on the ends of the SCSI Bus “chain”is necessary for SCSI devices to work properly. Termination of the devices betweenthe ends must be Disabled.

VI. ASUS SCSI CardsSetup



Terminator Settings for the ASUS PCI-SC860Many SCSI devices including the ASUS PCI-SC860 use a set of onboard activeresistors to terminate the devices at the ends automatically. Automatic terminationrequires that the SCSI devices be connected in a straight linear connection or “chain.”Connect SCSI devices to one or two of the SCSI connectors in a linear “chain” forauto termination of the ASUS PCI-SC860 to be effective. Other formations willcause your SCSI devices to not mount properly. You must use the end of the ribboncable when using the internal connector(s) to keep a linear path.

Additional Note: The Symbios Logic SCSI Configuration Utility is a powerfultool. If, while using it, you somehow disable all your controllers or cannot enterthe configuration utility, pressing “Ctrl-A” after memory count during rebootallows you to recover and reconfigure.

Terminator Settings for the ASUS PCI-SC200The ASUS PCI-SC200, on the other hand, has “active” termination that you mustset using jumper JP5. There are two settings, “terminated” and “not terminated,” asshown below.

Terminator Setting (Terminated / Not Terminated)

JP 5

Terminated (Default) Not Terminated

JP 5

Decide whether or not you need to terminate the ASUS PCI-SC200 based on itsposition in the SCSI chain. Only the devices at each end of the chain need to beterminated. If you have only internal or only external devices connected to theASUS PCI-SC200, then you must terminate the ASUS PCI-SC200. If you haveboth internal and external devices connected, you must not terminate the card. Seethe following example which illustrates this concept.

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Set

tings



SCSI Device 1 SCSI Device 2

Termination Required(End Device)Termination Required

(JP5 Open)

Termination Required(End Device)



Termination Required(End Device)

No Termination Required(JP5 Short)

SCSI ID Numbers for SCSI DevicesAll SCSI devices, including the ASUS PCI-SC200 and ASUS PCI-SC860 interfacecard must have a SCSI identification number that is not in use by any other SCSIdevice. There are eight possible ID numbers, 0 through 7. The ASUS PCI-SC200 andASUS PCI-SC860 cards have fixed SCSI IDs of 7. The SCSI ID serves two purposes:

• It uniquely defines each SCSI device on the bus.• It determines which device controls the bus when two or more devices try to use

it at the same time.

SCSI IDs on one channel do not interfere with the IDs on another channel. This ap-plies to two SCSI host adapters that implement different buses as well as dual channelson a single host adapter. You can connect up to seven SCSI devices to the interfacecard. You must set a SCSI ID number (ID 0 to ID 6) for each device. SCSI devicesvary in how they set the ID number. Some use jumpers, others have some kind ofselector switch. Refer to the manual for any device you install for details on how to setits ID number.

SCSI ID PriorityThe ASUS PCI-SC200 and ASUS PCI-SC860 are 8bit single-channel SCSI cards.SCSI ID 7 has the highest priority, and SCSI ID 0 has the lowest priority.

VI. ASUS SCSI CardsSC

SI ID N

umbers



VII. ASUS LAN Card

ASUS PCI-L101 Fast Ethernet Card

LAN ActivityOutput Signal

RJ45

LED

s

Motherboard typeWake on LANOutput Signal

ASUS

Other

IntelChipset

If you are using the ASUS PCI-L101 on an ASUS motherboard, leave the jumper onits defaut setting of “ASUS.” If you are using another brand of motherboard, set thejumper to “Other.” Connect the Wake on LAN (WOL) output signal to themotherboard’s WOL_CON in order to utilize the wake on LAN feature of the moth-erboard. Connect the LAN activity output signal (LAN_LED) to the system cabinet’sfront panel LAN_LED in order to display the LAN data activity.

VII.

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LAN

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ard


VII. ASUS LAN Card

Features• Intel 82558 Ethernet LAN Controller (Fully integrated 10BASE-T/100BASE-TX)• Wake-On-LAN Remote Control Function Supported• PCI Bus Master Complies to PCI Local Bus Rev. 2.1 specifications• Consists of MAC & PHY (10/100Mbps) interfaces• Complies to IEEE 802.3 10BASE-T and IEEE 802.3u 100BASE-TX interfaces• Fully supports 10BASE-T & 100BASE-TX operations through a single RJ45 port• Supports 32-bit Bus Master Technology / PCI Rev. 2.1• Enhancements on ACPI & APM• Adheres to PCI Bus Power Management Interface Rev. 1.0, ACPI Rev. 1.0, and

Device Class Power Management Rev. 1.0• IEEE 802.3u auto-negotiation for 10Mbps/100Mbps Network Data Transfer Rates.• Provides LED indicators for monitoring network conditions• Plug and Play

Software Driver Support• NetWare ODI Drivers - Novell Netware 3.x, 4.x, DOS, OS/2 Client• NDIS 2.01 Drivers - Microsoft LAN Manager, Microsoft Windows 3.11, IBM

LAN Server• NDIS 3.0 Drivers - Microsoft Windows NT, Microsoft Windows 95, Microsoft

Windows 3.11

Question and AnswerQ: What is Wake-On-LAN ?A: The Wake-On-LAN feature provides the capability to remotely power on sys-

tems supporting Wake-On-LAN by simply sending a wake-up frame. With thisfeature, remotely uploading/downloading data to/from systems during off-peakhours will be feasible.

Q: What can Wake-On-LAN do for you ?A: Wake-On-LAN is a remote management tool with advantages that can reduce

system management workload, provide flexibility to the system administrator’sjob, and then of course save you time-consuming efforts and costs.

Q: What components does Wake-On-LAN require to be enable?A: To enable Wake-On-LAN function, your system requires Ethernet LAN adapter

card that can activate Wake-On-LAN function, a client with Wake-On-LAN capa-bility, and software such as LDCM Rev. 3.10 or up that can trigger wake-up frame.

VII. ASUS LAN CardFeatures

user’s manual - asusdlcdnet.asus.com/pub/asus/mb/sock7/sis5591/sp98agp-x/sp98agp… · 2 asus...

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