ASUS TX97XV User Manual

IMPORTANT: This preliminary copy is for review purposes only and is

subject to errors and ongoing modifications.

R

TX97-XV

Pentium® A TX Motherboard

USER'S MANUAL

USER'S NOTICE

No part of this product, including the product and software may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any lan­guage in any form by any means without the express written permission of ASUST eK
COMPUTER INC. (hereinafter referred to as ASUS) except documentation kept
by the purchaser for backup purposes.

Specifications are subject to change without notice. ASUS provides this manual
"as is" without warranty of any kind, either express or implied, including but not
limited to the implied warranties or conditions of merchantability or fitness for a
particular purpose. In no event shall ASUS be liable for any loss or profits, loss of
business, loss of use or data, interruption of business, or for indirect, special, inci­dental, or consequential damages of any kind, even if ASUS has been advised of
the possibility of such damages arising from any defect or error in this manual or
product. ASUS may revise this manual from time to time without notice.

Products mentioned in this manual are mentioned for identification purposes only.
Product names appearing in this manual may or may not be registered trademarks
or copyrights of their respective companies.

• Intel, LanDesk, and Pentium are registered trademarks of Intel Corporation.

• 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 board itself. Manual

revisions are released for each board design represented by the digit before and
after the period of the manual revision number . Manual updates are represented by
the third digit in the manual revision number. For previous or updated manuals,
BIOS, drivers, or product release information you may visit ASUS' home page at:
http://www.asus.com.tw/ or contact ASUS from the following page.

© Copyright 1997 ASUSTeK COMPUTER INC. All rights reserved.

Product Name: ASUS TX97-XV
Manual Revision: 1.13
Release Date: April 1997

2

ASUS TX97-XV User’s Manual

ASUS CONTACT INFORMATION

ASUSTeK COMPUTER INC.

Marketing Info:

Address: 150 Li-Te Road, Peitou, Taipei, Taiwan, ROC
Telephone: [phone]
Fax: [phone]
Email: [e-mail]

Technical Support:

Fax: [phone]
BBS: 886-2-896-4667
Email: [e-mail]
WWW: http://www.asus.com.tw/
Gopher: gopher.asus.com.tw
FTP: ftp.asus.com.tw/pub/ASUS

ASUS COMPUTER INTERNATIONAL

Marketing Info:

Address: 721 Charcot Avenue, San Jose, CA 95131, USA
Telephone: [phone]
Fax: [phone]
Email: [e-mail]

Technical Support:

BBS: 1-408-474-0555
Email: [e-mail]

ASUS COMPUTER GmbH

Marketing Info:

Address: Harkort Str. 25, 40880 Ratingen, BRD, Germany
Telephone: [phone]
Fax: [phone]
Email: [e-mail]

Technical Support:

BBS: 49-2102-448690
Email: [e-mail]

ASUS TX97-XV User’s Manual 3

CONTENTS

I. INTRODUCTION...........................................................................7

How this manual is organized ..................................................................... 7

Item Checklist ............................................................................................. 7

II. FEATURES ....................................................................................8

Features of the ASUS TX97-XV Motherboard........................................... 8

Introduction to ASUS TX97 Series of motherboards ........................... 9

Parts of the ASUS TX97-XV Motherboard ........................................ 11

III. INSTALLATION ........................................................................12

Map of the ASUS Motherboard ................................................................ 12

Installation Steps ....................................................................................... 14

1. Jumpers ................................................................................................. 14

Jumper Settings ............................................................................ 15

Compatible Cyrix CPU Identification .......................................... 17

2. System Memory (SIMM & DIMM) .................................................... 19

SIMM Memory Installation.......................................................... 20

DIMM Memory Installation ......................................................... 21

3. Central Processing Unit (CPU) ............................................................ 23

4. Expansion Cards................................................................................... 24

Expansion Card Installation Procedure: ....................................... 24

Assigning IRQs for Expansion Cards........................................... 24

Assigning DMA Channels for ISA Cards..................................... 25

5. External Connectors ............................................................................. 26

Power Connection Procedures ............................................................ 33

IV. BIOS SOFTWARE .....................................................................34

Support Software....................................................................................... 34

Flash Memory Writer Utility..................................................................... 34

Main Menu ................................................................................... 34

Advanced Features Menu ............................................................. 35

Managing & Updating your Motherboard's BIOS.............................. 36

6. BIOS Setup........................................................................................... 37

Load Defaults ............................................................................... 38

Standard CMOS Setup ........................................................................ 38

Details of Standard CMOS Setup:................................................ 39

BIOS Features Setup........................................................................... 42

Details of BIOS Features Setup.................................................... 42

Chipset Features Setup........................................................................ 45

Details of Chipset Features Setup................................................. 45

Power Management Setup .................................................................. 48

Details of Power Management Setup ........................................... 48

PNP and PCI Setup ............................................................................. 50

Details of PNP and PCI Setup ...................................................... 50

Load BIOS Defaults............................................................................ 52

Load Setup Defaults............................................................................ 52

Supervisor Password and User Password ........................................... 53

IDE HDD Auto Detection ................................................................... 54

Save and Exit Setup ............................................................................ 55

Exit Without Saving............................................................................ 55

V. SUPPORT SOFTWARE ..............................................................56

ASUS TX97 Motherboard Series Support CD ......................................... 56

LANDesk Client Manager (LDCM) ......................................................... 56

4

ASUS TX97-XV User’s Manual

CONTENTS

Desktop Management Interface (DMI) ..................................................... 58

Introducing the ASUS DMI Configuration Utility ....................... 58

System Requirements ................................................................... 58

Using the ASUS DMI Configuration Utility ................................ 59

Notes:............................................................................................ 59

R

A TI VGA Series....................................................................65

VI. Microsoft Windows 95 ................................................................67

Video Driver Installation ........................................................................... 67

Software MPEG & Video Player ........................................................ 71

Windows 95 Display Settings ................................................................... 72

VII. Microsoft Windows 3.x..............................................................73

Video Driver Installation ........................................................................... 73

Software MPEG & Video Player .............................................................. 75

ATI Desktop Control Panel ................................................................. 76

ATI Desktop Features ......................................................................... 76

FlexDesk+ ................................................................................................. 77

FlexDesk+ Basic Settings ................................................................... 77

FlexDesk+ Advanced Settings ............................................................ 79

DPMS (for Windows) ............................................................................... 80

Timer Settings..................................................................................... 80

Buttons ................................................................................................ 80

DeskScape ................................................................................................. 81

DeskScape Functions .......................................................................... 81

Buttons ................................................................................................ 82

WinSwitch................................................................................................. 82

Screen Adjustment .............................................................................. 83

DPMS Parameters ............................................................................... 85

VIII. Windows V ideo Player.............................................................86

ATI Player and control panel (Win3.1x and Win95) .......................... 86

Features ............................................................................................... 86

V ideo Acceleration Performance ........................................................ 87

Playing V ideo Clips ............................................................................ 87

Sizing Windows .................................................................................. 87

IX. Microsoft Windows NT...............................................................88

Video Driver Installation ........................................................................... 88

X. IBM OS/2 & OS/2 Warp ..............................................................92

Video Driver Installation ........................................................................... 92

XI. Other Video Drivers ....................................................................93

AutoCAD Video Driver Installation ......................................................... 93

Microstation Video Driver Installation ..................................................... 94

Select System Information (optional) ....................................................... 95

Quick Setup (optional) .............................................................................. 95

VDIF Files (optional).......................................................................... 96

Advanced Setup (optional)........................................................................ 97

A. Troubleshooting ............................................................................99

Diagnostics ................................................................................................ 99

Troubleshooting ........................................................................................ 99

System Lockup.......................................................................................... 99

ASUS TX97-XV User’s Manual 5

FCC & DOC COMPLIANCE

Federal Communications Commission Statement

This device complies with FCC Rules Part 15. Operation is subject to the following
two 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 B
digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installa­tion. This equipment generates, uses and can radiate radio frequency energy and, if
not installed and used in accordance with manufacturer's instructions, may cause
harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the inter­ference 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 the graphics
card is required to assure compliance with FCC regulations. Changes or modifica­tions to this unit not expressly approved by the party responsible for compliance
could void the user's authority to operate this equipment.

Canadian Department of Communications Statement

This digital apparatus does not exceed the Class B limits for radio noise emissions
from digital apparatus set out in the Radio Interference Regulations of the Cana­dian Department of Communications.

6

ASUS TX97-XV User’s Manual

I. INTRODUCTION

How this manual is organized

This manual is divided into the following sections:

I. Introduction: Manual information and checklist
II. Features: Information and specifications concerning this product
III. Installation: Instructions on setting up the motherboard.
IV. BIOS Setup: BIOS software setup information.
V. Support Software: Installation of software drivers and utilities.
VI. (reserved) SCSI Firmware not available
VII. ASUS I-A16C: Installation of an optional 16-bit Audio card
VIII. Windows 95: Audio Software Manual (with ASUS I-A16C bundle)
IX. DOS/Win3.1x: Audio Software Manual (with ASUS I-A16C bundle)

Item Checklist

Please check that your package is complete. If you discover damaged or missing
items, please contact your retailer.

I. INTRODUCTION

(Manual / Checklist)

√ The ASUS TX97-XV motherboard
√ 1 serial port ribbon cable attached to a mounting bracket
√ 1 IDE ribbon cable
√ 1 floppy ribbon cable
√ ASUS TX97 Series Support CD:

• LANDesk Client Manager (LDCM) Software

• Flash Memory Writer utility to update the FLASH BIOS

• Desktop Management Interface (DMI) utility

• Audio drivers and utilities (included with ASUS I-A16C CD bundle only)

• VGA Drivers and utilities

• Readme files for descriptions and use of the files

• Technical Support Form

√ This user's manual

Optional ASUS I-A16C Audio Card

ASUS TX97-XV User’s Manual 7

II. FEATURES

(Features)

II. FEATURES

Features of the ASUS TX97-XV Motherboard

The ASUS TX97-XV is carefully designed for the demanding PC user who wants
many many features in a small package. This motherboard:

• Intel Chipset: Features Intel's 430TX PCIset with I/O subsystems.

• VGA Onboard: Features ATI’s VGA Chipset with VGA out connector.

• Multi-Processor/Multi-Speed Support: Intel Pentium

™

MMX
133MHz), AMD-K6

• Versatile Memory Support: Is equipped with two DIMM sockets to support

8-128MB 168-pin 3.3Volt SDRAM/EDO memory modules up to 256MB. Is
also equipped with four SIMM sockets to support 4-64MB 72-pin Fast Page
Mode (FPM) or Extended Data Out (EDO) memory modules up to 256MB.
SIMMs and DIMMs cannot be used at the same time.

• Easy Installation: Is equipped with BIOS that supports auto detection of hard

drives, PS/2 mouse, and Plug and Play devices to make setup of hard drives,
expansion cards, and other devices virtually automatic.

, P54C/P54CS), Cyrix® P166+ (Rev 2.7 & later), AMD-K5™ (PR75-

™

(PR200-233MHz).

®

75-233MHz (P55C-

• ISA and PCI Expansion Slots: Provides three 16-bit ISA slots, and four 32-bit

PCI slots.

• Super Multi-I/O: Provides two high-speed UART compatible serial ports and

one parallel port with EPP and ECP capabilities. UART2 can also be directed
from COM2 to the Infrared Module for wireless connections. T wo floppy drives
of either 5.25" or 3.5" (1.44MB or 2.88MB) are also supported without an exter­nal card. Supports Japanese standard "Floppy 3 mode" (3.5" 1.2MB).

• Desktop Management Interface (DMI): Supports DMI through BIOS which

allows hardware to communicate within a standard protocol creating a higher
level of compatibility. (Requires DMI-enabled components.) (See section V)

• PCI Bus Master IDE Controller: Comes with an onboard Ultra DMA/33
Bus Master IDE controller with two connectors that supports four IDE devices
in two channels up to 33MB/sec IDE transfers and supports Enhanced IDE de­vices. This controller supports PIO Modes 3 and 4 and Bus Master IDE DMA
Mode 2. BIOS now supports IDE CD-ROM or SCSI bootup.

• Level 2 Cache: 512KB Pipelined Burst SRAM onboard.

• SCSI BIOS: (not supported on motherboards with VGA)

• Optional IrDA Connector: This motherboard supports an optional infrared
port module for wireless interface.

8 ASUS TX97-XV User’s Manual

II. FEATURES

Introduction to ASUS TX97 Series of motherboards

Performance:

• SDRAM Optimized Performance - ASUS TX97 series of motherboards sup-

port the new generation memory - Synchronous Dynamic Random Access
Memory (SDRAM) which increases the data transfer rate from 264MB/s max
using EDO memory to 528MB/s max.

• Double the IDE Transfer Speed - ASUS TX97 series of motherboards with

Intel 430TX PCIset improves IDE transfer rate using Bus Master UltraDMA/33
IDE which can handle data transfer up to 33MB/s. The best of all is that this
new technology is compatible with existing ATA-2 IDE specs so there is no
need to upgrade current hard drives or cables.

• Concurrent PCI - Concurrent PCI allows multiple PCI transfers from PCI master

busses to memory to CPU.

• ACPI Ready - ACPI (Advanced Configuration and Power Interface) is also

implemented on all ASUS 430TX series of motherboards. ACPI provide more
Energy Saving Features for the future operating systems (OS) supporting OS
Direct Power Management (OSPM) functionality. With these features imple­mented in the OS, PCs can be ready around the clock everyday, yet satisfy all
the energy saving standards. To fully utilize the benefits of ACPI, an ACPI­supported OS such as in the next release of Windows 95 must be used.

(TX97 Series)

II. FEATURES

• PC ’97 Compliant - Both the BIOS and hardware levels of ASUS TX97 series

of motherboards meet PC ’97 compliancy. The new PC 97 requirements for
systems and components are based on the following high-level goals: Support
for Plug and Play compatibility and power management for configuring and
managing all system components, and 32-bit device drivers and installation pro­cedures for both Windows 95 and Windows NT.

Intelligence:

• Fan Status Monitoring and Alarm - To prevent system overheat and system

damage, the CPU fan and system fans are monitored for RPM and failure. Each
fan can be set for its normal RPM range and alarm thresholds.

• Temperature Monitoring and Alert - To prevent system overheat and system

damage, there is a heat sensor under the CPU and on the motherboard itself to
monitor CPU and system temperature to make sure the system is operating at a
safe heat level to avoid any failures triggered by extremely high temperature.

ASUS TX97-XV User’s Manual 9

• Voltage Monitoring and Alert - System voltage levels are monitored to ensure

• System Resources Alert - T oday’ s operating systems such as W indows 95, W in-

II. FEATURES

(TX97 Series)

• Virus Write Protection - Normally, viruses can destroy data on storage media

II. FEATURES

stable current to critical motherboard components. Voltage specifications are
more critical for future processors, so monitoring is necessary to ensure proper
system configuration and management.

dows NT , and OS/2, require much more memory and hard drive space to present
enormous user interfaces and run large applications. The system resource moni­tor will warn the user before the system resources are used up to prevent pos­sible application crashes. Suggestions will give the user information on manag­ing their limited resources more efficiently.

such as hard drivers, floppy diskettes, and MO. Some new-generation viruses
will not only destroy data on storage media, but also clear BIOS data which is
usually unprotected. ASUS TX97 series of motherboards were designed to co­operate with BIOS, chipset, and flash EPROM to disable write permission when
the system’s initialization stage is completed upon boot-up.

• CPU Slow Down - When CPU fans or system fans are malfunctioning, the
system will deactivate the CPU Clock line to decrease CPU utilization to the
speed upon detection of system overheat. This will prevent CPU damage from
system overheat. The CPU utilization will restore normal operations when tem­perature falls below a safe level.

• Auto Fan Off - The system fans will power off automatically even in sleep
mode. This function reduces both energy consumption and system noise, and

is a important feature to implement silent PC systems.

• Dual Function Power Button (requires A TX power supply) - The system can
be in one of two states, one is Sleep mode and the other is the Soft-Off mode.
Pushing the power button for less than 4 seconds places the system into Sleep
mode. When the power button is pressed for more than 4 seconds, it enters the
Soft-Off mode.

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

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

10 ASUS TX97-XV User’s Manual

II. FEATURES

Parts of the ASUS TX97-XV Motherboard

T: PS/2 Mouse
B: PS/2 Keyboard

T: USB Port 1
B: USB Port 2

COM 1

T: Parallel Conn.
B: Serial / VGA

VGA Connector

1MB VGA Memory
(upgradable to 2MB)

ATI VGA

4 PCI Slots
Hardware Monitor

2 DIMM Sockets

CPU ZIF
Socket 7

CPU Thermal
Sensor

Intel 430TX
PCIset

512KB Pipelined
Burst L2 Cache

II. FEATURES

(Parts of Board)

Programmable
Flash ROM

3 ISA Slots

ASUS TX97-XV User’s Manual 11

III. INSTALLATION

Map of the ASUS Motherboard

III. INSTALLATION

(Map of Board)

T: Mouse

PS/2

B: Keyboard

T: USB 1

USB

B: USB 2

COM 1

Parallel Port

VGA

COM 2

Hardware

Monitor

Board Power Input
for ATX Power Supply

PWR_FAN

VID2
VID1
VID0

CPU Voltage

CPU ZIF Socket 7

DIMM Socket 1 (64-bit, 168-pin module)
DIMM Socket 2 (64-bit, 168-pin module)
SIMM Socket 1 (32-bit, 72-pin module)

SIMM Socket 2 (32-bit, 72-pin module)

SIMM Socket 3 (32-bit, 72-pin module)
SIMM Socket 4 (32-bit, 72-pin module)

ATI
VGA

VIRQ

AMC Connector

VGA IRQ (Dis/En)

PCI Slot 1

PCI Slot 2

Heat
Sensor

512KB DRAM
Upgrade Socket

512KB DRAM
Upgrade Socket

512KB DRAM

512KB DRAM

Row

CPU_FAN

01 23 23

01

BUS FREQ

256KB/512KB Onboard L2 Cache

FREQ. RATIO

BF1
BF0

Intel

10

430TX

32

Row

FS0
FS1
FS2

PCIset

CR2032
3 Volt
Lithium Cell

Floppy Drives

Secondary IDE

Primary IDE

PCI Slot 3

Flash ROM

for BIOS

PCI Slot 4

ISA Slot 1

ISA Slot 2

ISA Slot 3

Intel
PIIX4
PCIset

Keyboard
BIOS/
Multi-I/O

RTCLR

RTC (Clear/Test)

Chassis open

CHASSIS FAN

IDE LED

Panel Connections

Infrared Con.

12 ASUS TX97-XV User’s Manual

III. INSTALLATION

Jumpers

1)RTCLR p. 15Real Time Clock RAM (Operation/Clear Data)

2)FS0, FS1, FS2 p. 16CPU External Clock (BUS) Frequency Selection

3)BF0, BF1 p. 16CPU:BUS Frequency Ratio

4)VID0, VID1, VID2 p. 17CPU Voltage Regulator Output Selection

5)VIRQ p. 18VGA Interrupt (Disable / Enable)

Expansion Slots

1)System Memory p. 19System Memory Upgrade

2)SIMM Sockets p. 2072-Pin SIMM Memory Expansion Sockets

3)DIMM Sockets p. 21168-Pin DIMM Memory Expansion Sockets

4) CPU ZIF Socket 7 p. 23Central Processing Unit (CPU) Socket

5)ISA Slots p. 2416-bit ISA Bus Expansion Slots

6)PCI Slots p. 2432-bit PCI Bus Expansion Slots

Connectors

1)PS2KEYBOARD p. 26PS/2 Keyboard Connector (6-pin Female)

2)PS2MOUSE p. 26PS/2 Mouse Connector (6-pin Female)

3)PRINTER p. 27Parallel (Printer) Port Connector (25-pin Female)

4)COM1 p. 27Serial Port COM1 (Two 9-pin Female)

5)USB p. 27Universal Serial BUS Ports 1 & 2 (Two 4-pin Female)

6)VGA p. 28VGA Connector (15-pin Female)

7)FLOPPY p. 28Floppy Drive Connector (34-pin Block)

8)FANPWR p. 29Power Supply Fan (3-pin) & CPU Fan Lead (4-pin )

9)CHASSIS p. 29Chassis Open Alarm Lead (3-pin Block)

10)Primary / Second IDE p. 30Primary / Secondary IDE Connector (40-pin Blocks)

11)IDELED p. 30IDE LED Activity Light

12)MSG LED (PANEL) p. 30System Message LED (2-pins)

13)SMI (PANEL) p. 31SMI Switch Lead (2-pins)

14)PWR SW (CON1) p. 31ATX Power & Soft-Off Switch Lead (2-pins)

15)RESET (PANEL) p. 31Reset Switch Lead (2-pins)

16)KEYLOCK (PANEL) p. 31Keyboard Lock Switch Lead (5-pins)

17)SPEAKER (PANEL) p. 31Speaker Output Connector (4-pins)

18)IR p. 32Infrared Port Module Connector

(Map of Board)

III. INSTALLATION

19)ATXPWR p. 32Motherboard Power Connector (20-pin Block)

ASUS TX97-XV User’s Manual 13

III. INSTALLATION

III. INSTALLATION

Installation Steps

Before using your computer, you must complete the following steps:

1. Set Jumpers on the Motherboard

2. Install DRAM Modules

3. Install the Central Processing Unit (CPU)

4. Install Expansion Cards

5. Connect Ribbon Cables, Cabinet Wires, and Power Supply

6. Setup the BIOS Software

1. Jumpers

Several hardware settings are made through the use of jumper caps to connect jumper
pins (JP) on the motherboard. See "Map of the Motherboard" on page 4 for loca­tions of jumpers. The jumper settings will be described numerically such as [----],

(Jumpers)

[1-2], [2-3] for no connection, connect pins 1&2, and connect pins 2&3 respec­tively. Pin 1 for our motherboards is always on top
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 jumpers 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 motheboards and components contain very delicate
Integrated Circuit (IC) chips. To protect the motherboard and other compo­nents against damage from static electricity, you should follow some precau­tions whenever you work on your computer.

1. Unplug your computer when working on the inside.

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

circuitry.

3. Use a grounded wrist strap before handling computer components.

4. Place components on a grounded antistatic pad or on the bag that came with

the component whenever the components are separated from the system.

Pin 1

or on the left

Pin 1

when

14 ASUS TX97-XV User’s Manual

III. INSTALLATION

Jumper Settings

1. Real Time Clock (RTC) RAM (RTCLR)

The CMOS RAM is powered by the onboard button cell battery. To clear the
RTC data: (1) Turn off your computer, (2) Move this jumper to “Clear Data,”
(3) Move the jumper back to “Operation,” (4) Turn on your computer, (5) Hold
down <Delete> during bootup and enter BIOS setup to re-enter user preferences.

Battery Test Jumper (RTCLR)

You can test the battery’s current by removing this jumper and attaching a cur­rent meter to pins 2&3. WARNING: You must unplug the power cord to

your power supply to ensure that there is no power to your motherboard.
The CMOS RAM containing BIOS setup information may be cleared by
this action. You should enter BIOS to “Load Setup Defaults” and re-enter
any user information after removing and reapplying this jumper.

RTC RAM RTCLR

Operation [2-3] (Default)
Clear Data [1-2] (momentarily)

RTCLR
Battery Test

Operation (Default)

RTC RAM (Operation / Clear Data)

RTCLR

Clear Data

(Jumpers)

III. INSTALLATION

ASUS TX97-XV User’s Manual 15

III. INSTALLATION

2. CPU External (BUS) Frequency Selection (FS0, FS1, FS2)

These jumpers tell the clock generator what frequency to send to the CPU. These
allow the selection of the CPU’ s External frequency (or BUS Clock). The BUS Clock
times the BUS Ratio equals the CPU's Internal frequency (the advertised CPU speed).

3. CPU to BUS Frequency Ratio (BF0, BF1)

These jumpers set the frequency ratio between the Internal frequency of the CPU
and the External frequency (called the BUS Clock) within the CPU. These must
be set together with the above jumpers CPU External (BUS) Frequency Selection.

FS1

FS0

FS2

FS2

FS1

FS0

FS2

FS1

FS0

FS2

FS1

FS0

III. INSTALLATION

(Jumpers)

Complete Names

Intel Pentium P54C, P55C
AMD K5, K6
Cyrix M1, M2

:

1
2

3

50MHz

CPU External Clock (BUS) Frequency Selection

P54C/K5
P55C/K6/M2
Cyrix M1

CPU : BUS Frequency Ratio

1.5x(3/2)

3.5X(3/1)

3.0x(3/1)

BF0

55MHz

BF1

1
2

3

BF0

BF1

2.0x(2/1)

2.0x(2/1)

2.0x(2/1)

60MHz

BF0

2.5x(5/2)

2.5x(5/2)

1.0x(1/1)

1
2

3

66MHz

BF1

BF0

BF1

3.0x(3/1)

3.0x(3/1)

4.0x(4/1)

1
2

3

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

(BUS Freq.) (Freq. Ratio)

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

Intel Pentium 233MHz 3.5x 66MHz [2-3] [2-3] [1-2] [1-2] [1-2]
Intel Pentium 200MHz 3.0x 66MHz [2-3] [2-3] [1-2] [1-2] [2-3]
Intel Pentium 166MHz 2.5x 66MHz [2-3] [2-3] [1-2] [2-3] [2-3]
Intel Pentium 150MHz 2.5x 60MHz [2-3] [2-3] [2-3] [2-3] [2-3]
Intel Pentium 133MHz 2.0x 66MHz [2-3] [2-3] [1-2] [2-3] [1-2]
Intel Pentium 120MHz 2.0x 60MHz [2-3] [2-3] [2-3] [2-3] [1-2]
Intel Pentium 100MHz 1.5x 66MHz [2-3] [2-3] [1-2] [1-2] [1-2]
Intel Pentium 90MHz 1.5x 60MHz [2-3] [2-3] [2-3] [1-2] [1-2]
Intel Pentium 75MHz 1.5x 50MHz [2-3] [1-2] [2-3] [1-2] [1-2]

AMD-K6-PR233 233MHz 3.5x 66MHz [2-3] [2-3] [1-2] [1-2] [1-2]
AMD-K6-PR200 200MHz 3.0x 66MHz [2-3] [2-3] [1-2] [1-2] [2-3]

AMD-K5-PR133 100MHz 1.5x 66MHz [2-3] [2-3] [1-2] [1-2] [1-2]
AMD-K5-PR120 90MHz 1.5x 60MHz [2-3] [2-3] [2-3] [1-2] [1-2]
AMD-K5-PR100 100MHz 1.5x 66MHz [2-3] [2-3] [1-2] [1-2] [1-2]
AMD-K5-PR90 90MHz 1.5x 60MHz [2-3] [2-3] [2-3] [1-2] [1-2]
AMD-K5-PR75 75MHz 1.5x 50MHz [2-3] [1-2] [2-3] [1-2] [1-2]

*Cyrix 166+ 133MHz 2.0x 66MHz [2-3] [2-3] [1-2] [2-3] [1-2]

*NOTE: Only Cyrix Rev 2.7 or later is supported on this motherboard. See next page for revision identifi-

cation. Bootup screen will show 6x86-P166+ with the Cyrix 166+ installed on this motherboard.

16 ASUS TX97-XV User’s Manual

III. INSTALLATION

Compatible Cyrix CPU Identification

The only Cyrix CPU that is supported on this motherboard is
labeled Cyrix 6x86 P166+ but must be Revision 2.7 and later .
Look on the underside of the CPU for the serial number . The
number should read G8DC6620A or larger.

4. Voltage Regulator Output Selection (VID0, 1, 2)

These jumpers set the voltage supplied to the CPU. The voltage regulators will
automatically detect and switch between Single Power Plane (STD & VRE) and
Dual Power Planes.

Intel P54C Pentium
(75-233MHz)

Intel P55C Pentium
MMX (150-200MHz)

AMD-K5
(PR75-133MHz)

AMD-K6
(PR166-233MHz)

Cyrix 6x86 166+
Rev2.7 (133MHz)

Type Setting Voltage VID0 VID1 VID2

Intel/AMD/Cryix P54C/CS/K5/M1 3.5V(VRE) [2-3] [1-2] [1-2]
Intel/AMD P54C/CS/K5 3.4V(STD) [2-3] [1-2] [2-3]
AMD K6/PR233 3.2V [1-2] [ ] [2-3]

(VID0-3)
(VID1-3)

AMD K6/PR166, PR200 2.9V [2-3] [2-3] [1-2]
Intel/Cyrix P55C MMX/M2 2.8V [2-3] [2-3] [2-3]

Voltage Regulator Output Selection

VID0

1
2
3

3.5Volts
(VRE)

1
2
3

2.8Volts

VID1

VID2

VID0

1
2
3

3.4Volts
(STD)

1
2
3

2.7Volts

VID1

VID2

VID0

1
2
3

3.2Volts

1
2
3

2.5Volts

VID1

VID2

VID0

1
2
3

2.9Volts

VID1

VID2

(System Memory)

III. INSTALLATION

ASUS TX97-XV User’s Manual 17

III. INSTALLATION

5. VGA Interrupt (VIRQ)

This jumper enables or disables the onboard VGA’s interrupt.

VIRQ

Disable (Default)

VGA Interrupt (Disable/Enable)

VIRQ

Enable

18 ASUS TX97-XV User’s Manual

III. INSTALLATION

2. System Memory (SIMM & DIMM)

This motherboard supports four 72-pin, 32-bit SIMMs (Single Inline Memory Mod­ules) of 4, 8, 16, 32, or 64MB to form a memory size between 8MB to 256MB. The
SIMMs can be either 60ns or 70ns Fast Page Mode (FPM) (Asymmetric or Sym­metric), or Enhanced Data Out (EDO) (BEDO & Parity are not supported). SIMMs
must be installed in pairs so that each Row (see Map of Motherboard for Row loca­tions) contains 64-bits of the same size and type of memory chips. One side (with
memory chips) of the SIMM module takes up half a Row on the motherboard.

Dual Inline Memory Modules (DIMM’s) can be used when the SIMM sockets are
not used. Two sockets are available for 3.3V olt (power level) Unbuf fered Synchro­nous DRAMs (SDRAM) or EDO DRAM of either 8, 16, 32, 64, or 128MB to form
a memory size between 8MB to 256MB. One side (with memory chips) of the
DIMM module takes up one Row on the motherboard.

IMPORTANT: Memory speed setup is requir ed through "Auto Configuration"
in BIOS Chipset Setup of the BIOS SOFTW ARE. If both 60ns and 70ns memory
are used, set "Auto Configuration" to 70ns. Do not use memory modules with
more than 24 chips per module. Modules with more than 24 chips exceed the
design specifications of the memory subsystem and will be unstable.

Memory Socket SIMM Memory Module Total Memory
SIMM Sockets 1&2 4MB, 8MB, 16MB, 32MB, 64MB x2

(Rows 0 & 1) 72-pin FPM or EDO SIMM

(DIMM Sockets must be empty)

SIMM Sockets 3&4 4MB, 8MB, 16MB, 32MB, 64MB x2
(Rows 2 & 3) 72-pin FPM or EDO SIMM

(DIMM Sockets must be empty)
Total System Memory (Max 256MB) =

WARNING: Do not install both SIMMs and DIMMs at the same time or
else you will burn your memory . Mixing SIMMs and DIMMs require 5.0V olt
(signal level) tolerant memory chips which are currently unavailable.

Memory Socket DIMM Memory Module Total Memory
DIMM Socket 1 8MB, 16MB, 32MB, 64MB, 128MB x1

(Rows 3 & 2) 168-pin SDRAM or EDO DIMM

(SIMM Sockets must be empty)

DIMM Socket 2 8MB, 16MB, 32MB, 64MB, 128MB x1
(Rows 1 & 0) 168-pin SDRAM or EDO DIMM

(SIMM Sockets must be empty)
Total System Memory (Max 256MB) =

ASUS TX97-XV User’s Manual 19

III. INSTALLATION

DRAM in SIMM S

SIMM Memory Installation

1. The SIMM memory modules will only fit in one orientation as shown because
of a "Plastic Safety Tab" on one end of the SIMM sockets which requires the
"Notched End" of the SIMM memory modules.

III. INSTALLATION

(System Memory)

2. Press the memory module firmly into place starting from a 45 degree angle
making sure that all the contacts are aligned with the socket.

3. With your finger tips, rock the memory module into a vertical position so that it
clicks into place.

72 Pin SIMM Sockets

4321

Notched End

72 Pin

Metal Clip

Plastic Safety Tab (This Side Only)

4. The plastic guides should go through the two "Mounting Holes" on the sides and
the "Metal Clips" should snap on the other side.

5. To release the memory module, squeeze both "Metal Clips" outwards and rock
the module out of the "Metal Clips".

ocket

Mounting Hole

20 ASUS TX97-XV User’s Manual

III. INSTALLATION

DIMM Memory Installation

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

Lock

60 Pins 20 Pins

88 Pins

168 Pin DIMM Memory Sockets

The Dual Inline Memory Module (DIMM) must be 3.3V Unbuffered for this moth­erboard. You can identify the type of DIMM module by the illustration below:

DRAM Key Position

RFU

Buffered

Unbuffered

Voltage Key Position

5.0V

Reserved

3.3V

168-PIN DRAM DIMM Notch Key Definitions

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

(System Memory)

III. INSTALLATION

ASUS TX97-XV User’s Manual 21

(This page was intentionally left blank)

22 ASUS TX97-XV User’s Manual

III. INSTALLATION

3. Central Processing Unit (CPU)

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

WARNING: Without a fan circulating air on the CPU and heat sinks, the
CPU and/or heat sinks can overheat and cause damage to both the CPU and the
motherboard. (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 ZIF
socket and open it by first pulling the lever sideways away from the socket then
upwards to a 90-degree right angle. Insert the CPU with the correct orientation as
shown. Use the notched corner of the CPU with the white dot as your guide. The
white dot should point towards the end the of the lever . Notice that there is a blank
area where one hole is missing from that corner of the square array of pin holes and
a "1" printed on the motherboard next to that corner . Because the CPU has a corner
pin for three of the four corners, the CPU will only fit in the one orientation as
shown. The picture is for reference only; you should have a CPU fan that will cover
the face of the CPU. W ith the added weight of the CPU fan, no force is required to
insert the CPU. Once completely inserted, hold down on the fan and close the
socket's lever.

(CPU)

III. INSTALLATION

IMPORTANT: You must set jumpers for "CPU to BUS Frequency Ratio" and
jumpers for "BUS Frequency Selection" depending on the CPU that you install.

White Dot

BlankLever Lock

1

ZIF Socket 7 with Pentium Processor

1

ASUS TX97-XV User’s Manual 23

4. Expansion Cards

WARNING: Make sure that you unplug your power supply when adding or
removing expansion cards or other system components. Failure to do so may
cause severe damage to both your motherboard and expansion cards.

Expansion Card Installation Procedure:

1. Read your expansion card documentation on any hardware and software set-

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.

III. INSTALLATION

(Expansion Cards)

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

III. INSTALLATION

tings that may be required to setup your specific card.

Keep the bracket for possible future use.

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

7. Replace the computer system's cover.

8. Setup the BIOS 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 Cards

Some expansion cards need to use an IRQ to operate. Generally an IRQ must be
exclusively assigned to one use. In an standard design there are 16 IRQs available
but most of them are already in use by parts of the system which leaves 6 free for
expansion cards.

Both ISA and PCI expansion cards may need to use IRQs. System IRQs are avail­able to cards installed in the ISA expansion bus first, and any remaining IRQs are
then used by PCI cards. Currently, there are two types of ISA cards. The original
ISA expansion card design, now referred to as “Legacy” ISA cards, requires that
you configure the card’ s jumpers manually and then install it in any available slot on
the ISA bus. You may use Microsoft's Diagnostic (MSD.EXE) utility included in
the Windows directory to see a map of your used and free IRQs. For Windows 95
users, the "Control Panel" icon in "My Computer," contains a "System" icon which
gives you a "Device Manager" tab. Double clicking on a specific device give you
"Resources" tab which shows the Interrupt number and address. Make sure that no
two devices use the same IRQs or your computer will experience problems when
those two devices are in use at the same time.

24 ASUS TX97-XV User’s Manual

III. INSTALLATION

T o simplify this process this motherboard has complied with the Plug and Play (PNP)
specification which was developed to allow automatic system configuration when­ever a PNP-compliant card is added to the system. For PNP cards, IRQs are as­signed automatically from those available.

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

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

Assigning DMA Channels for ISA Cards

Some ISA cards, both Legacy and PNP may also need to use a DMA (Direct Memory
Access) channel. DMA assignments for this motherboard are handled the same way
as the IRQ assignment process described above. You can select a DMA channel in
the PCI and PNP configuration section of the BIOS Setup utility.

IMPORTANT: Choose "Yes" for those IRQ's and DMA's you wish to reserve
for Legacy (Non-PnP) ISA expansion cards in “IRQ xx Used By ISA” and “DMA
x Used By ISA” of the PNP and PCI Setup in the BIOS SOFTWARE section,
otherwise conflicts may occur.

(Connectors)
(DMA Channels)

III. INSTALLATION

III. INSTALLATION

ASUS TX97-XV User’s Manual 25

III. INSTALLATION

5. External Connectors

WARNING: Some pins are used for connectors or power sources. These are
clearly separated from jumpers in "Map of the Motherboard." Placing jumper
caps over these will cause damage to your motherboard.

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

III. INSTALLATION

(Connectors)

1. PS/2 Keyboard Connector (6-pin Female)
This connection is for a standard keyboard using an PS/2 plug (mini DIN). This
connector will not allow standard AT size (large DIN) keyboard plugs. You
may 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 de­tected, expansion cards can use IRQ12. See "PS/2 Mouse Control" in BIOS
Features Setup of the BIOS SOFTWARE.

PS/2 Mouse (6-pin Female)

26 ASUS TX97-XV User’s Manual

III. INSTALLATION

3. Parallel Printer Connector (25-pin Female)

You can enable the parallel port and choose the IRQ through "Onboard Parallel
Port" in Chipset Features Setup of the BIOS SOFTW ARE. NOTE: Serial printers
must be connected to the serial port.

Parallel (Printer) Port (25-pin Female)

6. VGA Connector (15-pin Female )

This connector supports a VGA-compliant monitor with a an appropriate cable.

VGA Port (15-pin Female)

5. Universal Serial BUS Ports 1 & 2 (Two 4-pin Female Sockets)

Two USB ports are available for connecting USB devices.

USB 1

Univeral Serial Bus (USB) 2

(Connectors)

III. INSTALLATION

ASUS TX97-XV User’s Manual 27

III. INSTALLATION

(Connectors)

III. INSTALLATION

4. Serial Port COM1 Connector (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.

Serial Port COM 1 (9-pin Male)

4. Serial Port COM2 Connector (10-pin block)

This connector supports the provided serial port ribbon cable with mounting
bracket. Connect the ribbon cable to this connector and mount the bracket to the
case on an open slot. See "Onboard Serial Port" in Chipset Features Setup.

(Pin 10 is removed to prevent inserting in the wr ong orientation when using
ribbon cables with pin 10 plugged).

COM 2

Pin 1

For this connector to be available, you must connect
the included Serial cable set from COM2 (using the
25-Pin male) to a free expansion slot opening.

TIP: You may also remove the bracket connectors
and mount them directly to the case to save expansion
slot space.

Onboard COM2 Serial Connector

7. Floppy drive connector (34-pin block )

This connector supports the provided floppy drive ribbon cable. After connect­ing the single end to the board, connect the two plugs on the other end to the
floppy drives. (Pin 5 is removed to prevent inserting in the wrong orienta-

tion when using ribbon cables with pin 5 plugged).

NOTE: Connect the Red stripe to Pin 1

Floppy Drive Connector

Pin 1

Floppy Drive Connector

28 ASUS TX97-XV User’s Manual

III. INSTALLATION

8. Power Supply Fan & CPU Connectors

These connectors support cooling fans of 500mAMP (6WATT) or less. Orien­tate the fans so that the heat sink fins allow airflow to go across the onboard heat
sink(s) instead of the expansion slots. Depending on the fan manufacturer, the
wiring and plug may be different. The red wire should be positive, while the
black should be ground. Connect the fan's plug to the board taking into consid­eration the polarity of the this connector . NOTE: The “Rotation” signal is to

be used only by a specially designed fan with rotation signal.

WARNING: The CPU and/or motherboard will overheat if there is no air-

flow across the CPU and onboard heatsinks. Damage may occur to the
motherboard and/or the CPU fan if these pins are incorrectly used. These

are not jumpers, do not place jumper caps over these pins.

ir Flow

Chassis Fan
CPU Fan
Power Supply Fan

Ground

+12Volt

Rotation

Orientate the fins so
that air flow runs across
motherboard's heatsinks.

12Volt Cooling Fans

Air Flow

9. Chassis Open Alarm Lead (CHASSIS)

This lead is for an open chassis monitor. A high level signal to the CHASSIS
lead will indicate to the system that the chassis has been opened.

+5V GND

CHASSIS

Chassis open alarm lead

(Connectors)

III. INSTALLATION

ASUS TX97-XV User’s Manual 29

III. INSTALLATION

(Connectors)

III. INSTALLATION

10. Primary / Secondary IDE connectors (Two 40-pin Block)

These connectors support the provided IDE hard disk ribbon cable.
After connecting the single end to the board, connect the two plugs at the other
end to your hard disk(s). If you install two hard disks, you must configure the
second drive to Slave mode by setting its jumper accordingly . Please refer to the
documentation of your hard disk for the jumper settings. BIOS now supports
SCSI device or IDE CD-ROM bootup (see "HDD Sequence SCSI/IDE First" &
"Boot Sequence" in the BIOS Features Setup of the BIOS SOFTWARE) (Pin

20 is removed to prevent inserting in the wrong orientation when using
ribbon cables with pin 20 plugged).

TIP: You may configure two hard disks to be both Masters using one ribbon

cable on the primary IDE connector and another ribbon cable on the secondary
IDE connector. You may install one operating system on an IDE drive and
another on a SCSI drive and select the boot disk through BIOS Features Setup.

NOTE: Connect the Red stripe to Pin 1

Pin 1

IDE (Hard Driver) Connectors

Secondary IDE Connector

Primary IDE Connector

11. IDE activity LED (IDE LED)

This connector supplies power to the cabinet’s IDE activity LED. Read and
write activity by devices connected to the Primary or Secondary IDE connectors
will cause the LED to light up.

IDELED

Power
IDE Active #

Power

IDE (HD) Activity LED

30 ASUS TX97-XV User’s Manual