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Pentium
82430 TX P54C/P55C PCI Mainboard
User’s Guide &
Technical Reference
5BT5
ii
®
™
About This Guide
This Users Guide is for assisting system manufacturers and end users in
setting up and installing the mainboard. Information in this guide has been
carefully checked for reliability; however, no guarantee is given as to the
correctness of the contents. The information in this document is subject to
change without notice.
Copyright Notice
Copyright 1997, Soyo Computer Inc. All rights reserved. This manual is
copyrighted by Soyo Computer Inc. You may not reproduce, transmit, transcribe,
store in a retrieval system, or translate into any language, in any form or by any
means, electronic, mechanical, magnetic, optical, chemical, manual, or otherwise,
any part of this publication without express written permission of Soyo Computer
Inc.
Trademarks
Soyo is a registered trademark of Soyo Computer Inc. All trademarks are the
property of their owners.
Disclaimer
Soyo Computer Inc. makes no representations or warranties regarding the
contents of this manual. We reserve the right to revise the manual or make
changes in the specifications of the product described with in it at any time
without notice and without obligation to notify any person of such revision or
change. The information contained in this manual is provided for general use by
our customers. Our customers should be aware that the personal computer field is
the subject of many patents. Our customers should ensure that they take
appropriate action so that their use of our products does not infringe upon any
patents. It is the policy of Soyo Computer Inc.to respect the valid patent rights of
third parties and not to infringe upon or assist others to infringe upon such rights.
Restricted Rights Legend
Use, duplication, or disclosure by the Government is subject to restrictions set
forth in subparagraph (c)(1)(ii) of the Rights in Technical Data and Computer
Software clause at 252.277-7013.
Product Rights
Products mentioned in this manual are mentioned for identification purpose only.
Product names appearing in this manual may or may not be registered trademarks
or copyrights of their respective companies. If you need any further information,
please come to our home page on the internet. The address is
Ð http://www.soyo.com.twÑ .
Edition: October 1997
Version 2.0J
5BT5 SERIAL
F Tested To Comply
C
With FCC Standards
FOR HOME OR OFFICE USE
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Table of Contents
Chapter 1: Introduction ..................................................
1
Key Features ...............................................................................
1
Unpacking the Mainboard ...........................................................
2
Electrostatic Discharge Precautions............................................
2
Mainboard Layout w/ Default Settings .......................................
3
Chapter 2: Hardware Setup ............................................
5
Jumpers .......................................................................................
5
JP5: CMOS Clear Jumper .....................................................
5
JP40: CE Test Jumper Pin ....................................................
5
JP43: CPU Cooling Fan Connector ......................................
6
ATP1, PW3, JP44: Power Supply Selection Jumpers ..........
6
CPU Type Configuration ............................................................
7
Step 1: Frequency Setting .....................................................
7
Pentium Î 90/100 CPU Settings (1.5 x clock) ..................
7
Pentium Î 120/133 CPU Settings (2.0 x clock) ................
8
PentiumÎ 150/166 CPU Settings (2.5 x clock) .................
9
Pentium Î 180/200 CPU Settings (3.0 x clock) ................
9
Pentium Î 233 CPU Settings (3.5 x clock) .....................
10
AMD K6 Î PR266 CPU Setting (4.0 x clock)................
10
Step 2: CPU Single/Dual Voltage Setting ..........................
11
Single Voltage CPU Setting ...........................................
11
Dual Voltage CPU Setting..............................................
12
Memory Configuration .............................................................
12
Memory Configuration Table..............................................
13
RAM Bank Installation Notice ............................................
13
Cache Configuration .................................................................
13
Cache Size and RAM Locations .........................................
13
Multi I/O Port Addresses ..........................................................
14
14
PW2 Ï ATX Power Supply On/Off Switch Connector
(Momentary Type)...............................................................
14
COM1, COM2 Ï COM1/COM2 Connectors ....................
14
FDC Ï FDC Connector ......................................................
15
AT PW Ï Power Supply Connectors .................................
15
ATX PW Ï ATX Power Supply Connectors .....................
15
J19 Î Hardware Reset Control .............................................
15
16
IDE1/IDE2 Î On-board Primary/Secondary IDE HDD
Connectors ...........................................................................
16
IR1 Î IR Connector .............................................................
16
Connectors ................................................................................
J24 Î HDD LED Connectors ...............................................
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J17 Î Keylock & Power LED Connector ............................
16
KB Conn. Î Keyboard Connector .......................................
16
PS/2 Mouse Conn. Î PS/2 Mouse Connector ......................
17
PRT Î Parallel Port Connector ............................................
17
J18 Ï Speaker Connector ...................................................
17
USB1 Î Universal Serial Bus Connectors ...........................
17
JP45 Î Wake-On-Lan (WOL) Header .................................
17
Chapter 3: BIOS Setup ..................................................
18
Standard CMOS Setup ..............................................................
19
BIOS Features Setup .................................................................
21
Chipset Features Setup..............................................................
24
Power Management Setup ........................................................
26
PNP/PCI Configuration Setup ..................................................
29
Load Setup Defaults..................................................................
31
Load BIOS Defaults..................................................................
31
Integrated Peripherals ...............................................................
32
Supervisor Password .................................................................
35
User Password ...........................................................................
36
IDE HDD Auto Detection .........................................................
37
Appendix A: CPU Setting List ......................................
38
Appendix B: Frequently Asked Questions...................
40
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1 Introduction
The 82430 TX PCI mainboard is a high-performance AT form-factor
system board that supports P54C/P55C family CPUs. This mainboard is
fully compatible with industry standards, and adds many technical enhancements.
Key Features
• Processor supported
˜ Supports P54C/P55C family CPUs running at 75~233 MHz speeds
; Cyrix 6x86/6x86L/6x86MXCPUs running at PR150~PR266 speeds
; and AMD K5/K6 CPUs running at PR75~PR266
˜ Supports SOCKET 7 for upgrade
˜ Supports P54C/P55C series SMM mode and CPU stop clock
˜ Supports MMX technology and Smart Detect CPU Voltage function
• L2 Cache Controller
˜ On-board 512K pipeline burst SRAMs cache
• DRAM Controller
˜ Supports FPM/EDO SIMM ( symmetrical/asymmetrical addressing)
˜ Supports 2 strips of 168-pin EDO /SDRM Unbuffered DIMM
˜ Memory configurations from 4MB to 256MB
• BUS Controller:
˜ Compliant with PCI specification 2.1
˜ Four 32-bit PCI slots (Masters) and three ISA slots.
˜ Supports Universal Serial Bus --- USB
• Peripheral Controller:
˜ System BIOS built-in NCR810 SCSI Card BIOS and “ Plug and
Play”
function
˜ Onboard PCI Master IDE controller and floppy controller
˜ Onboard two high speed UARTS (w/i 16550 FIFO),one
SPP/EPP/ECP
multi-mode parallel port, and one PS/2 mouse port
˜ Onboard FLASH Memory for easy upgrades BIOS
˜ Onboard IR function.
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