The information presented in this publication has been
carefully checked for reliability; however, no
responsibility is assumed for inaccuracies.
Specifications are subject to change without notice.
Trademarks
IBM, PC/AT, and PC/XT are trademarks of
International Business Machines Corporation.
Intel and Pentium are trademarks of Intel Corporation.
AMD is a trademark of Advanced Micro Devices Inc.
Cyrix is a trademark of Cyrix Corporation.
IDT is a trademark of Integrated Devices Technology
Corporation.
AMI is a trademark of American Megatrends Inc.
MS-DOS and WINDOWS 95/98/NT are registered
trademarks of Microsoft Corporation.
Auto-Detect Hard Disks....................................................... 28
Save Settings and Exit .......................................................... 29
Exit Without Saving.............................................................. 29
iii
Chapter 1
Introduction
This mainboard is a high-performance mainboard
based on the advanced Pentiumª microprocessor,
100MHz CPU external clock speed capability feature,
and PCI Local Bus and the high-end AGP chipset. The
mainboard offers a high degree of flexibility in
configuration and is fully IBM PC/AT compatible.
Introduction 3
Key Features
The advanced features of this mainboard include:
¥ Supports P54C/P55C Pentiumª (MMX) CPUs and
Cyrix/IBM 6x86L/6x86MX/MII, AMD K6/K6-2
(3.2V & 2.2V), IDT C6 133~500MHz CPUs with
Frequency at 66/75/83/95/100 MHz;
¥ Provides three DIMMs for SDRAM/EDO/FPM
memory modules, memory expandable up to
768MB, however, it is not recommended to use
EDO/FPM DRAM when 83 ~ 100MHz CPU
frequency is being used and SDRAM has to meet
the requirement of PC-100 if using 100MHz;
¥ Supports 64M-bit (8Mx8, 4Mx16) EDO DRAM/
SDRAM;
¥ Onboard 1MB Pipeline Burst synchronous L2
cache;
¥ Provides both ATX/AT power connector, and
supports various ATX power functions, such as:
Modem Ring On, ATX Power Button, Suspend
Switch, and Alarm Wake Up;
¥ Supports ACPI and Legacy PMU, and the Ultra
DMA/33, fully compliant to PC97 & PC98;
¥ Provides Accelerated Graphics Port (AGP), 3 PCI
Bus slots, 2 ISA Bus slots and PCI Bus Master IDE
interface with 2 connectors which supports 4 IDE
devices in 2 channels;
¥ Super Multi-I/O chip supports 2 serial ports with
16550 compatible fast UART, 1 parallel port with
EPP and ECP capabilities, and one floppy disk
drive interface with 1Mb/s transfer rate;
4Chapter 1
¥Provides ATX Form Card containing PS/2 Mouse,
2 USB interface, and Infrared connectors;
¥Onboard 3D Sound Pro meets PC98' SPEC and
supports HRTF Positional Audio, Direct Sound 3D
with Aureal 3D driver, Software Wave-table
Synthesizer, and Digital Audio Interface (SPDIF)
IN/OUT;
¥Bundled PC-cillin (OEM) provides automatic virus
protection for Window95/98 and the Internet;
¥System BIOS supports TrendÕs ChipAway Virus
function to ensure the entire boot process is
virusfree, no installation and configuration worries.
Introduction5
Unpacking the Mainboard & Static
Electricity Precautions
This Mainboard package contains the following items:
1.This Mainboard and a Device Driver
2.This UserÕs Guide and AT cable set
3.Sound & Game ribbon cables/bracket and
SPDIF/IN cable
4.ATX Form Card
The mainboard is easily damaged by static electricity.
Follow the precautions below while unpacking or
installing the mainboard.
1.Do not remove the mainboard from its original
package until you are ready to install it.
2.Frequently ground yourself to discharge any static
electric charge that may build up in your body
while working on installation and/or
configuration. For example, you may ground
yourself by grasping an unpainted portion of the
systemÕs metal chassis.
3.Remove the mainboard from its anti-static
packaging and place it on a grounded surface,
component side up.
4.Handle the mainboard by its edges or by the
mounting bracket to avoid touching its
components.
5.Check the mainboard for damage. If any integrated
circuit appears loose, press carefully to seat it
firmly in its socket.
6.Do not apply power if the mainboard appears
damaged. If there is damage to the board contact
your dealer immediately.
Chapter 2
Hardware Configuration
Before you install this mainboard into the system
chassis, you may find it convenient to first configure
the mainboardÕs hardware. This chapter describes how
to set jumpers and install memory modules, and where
to attach components.
Hardware Configuration7
Mainboard Component Locations
J1
21
18 17
AGP1
12 12
COM1 COM2
IDE2
1
IDE1
1
PRN1
1
KBD1
1
PWR2
PWR1
Chipset
PCI3PCI2PCI1
12
J2
FAN1
JP14
CBAD
Keylock
2
1
SPKRST
1
SUSLED
JP4
CD1
CD2
Sound
Pro
1
JP6
+
Battery
Chipset
BIOS
JP8
ACB
JP7
JP13
Socket 7
P54C
P55C
HDDLED
JP9
PWB
22
JP11
21
Cache
Cache
Figure 2Ð1. Mainboard Component Locations
A
B
C
D
JP12
DIMM3DIMM2DIMM1
FDC1
5V
3V
JP3
8Chapter 2
Connectors
Attach system components and case devices to the
mainboard via the mainboard connectors. A description
of each connector follows. See Figure 2Ð1 for the
location of the connectors on the mainboard.
Note: Make sure that the power is turned off before
making any connection to the board.
PWR2 – AT Power Supply Connectors
COM1/2 – Serial Port #1/#2
PRN1 – Parallel Port
FDC1 – Floppy Disk Port
IDE1/IDE2 – Primary/Secondary IDE Ports
KBD1 – Keyboard Connector
FAN1 – FAN Power Connector
J1 – ATX Form Card Connector
This connector contains 2 sets of USB interface, PS/2
Mouse, and Infrared connectors. Connect the ATX
Form Card cable to this connector.
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