User Guide
Motherboard
P4S800-X
E1554
Checklist
First Edition
February 2004
Copyright © 2004 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be
reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any
language in any form or by any means, except documentation kept by the purchaser for
backup purposes, without the express written permission of ASUSTeK COMPUTER INC.
(“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modified or
altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2)
the serial number of the product is defaced or missing.
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, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE
LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES
(INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE
OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN
ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR
ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED
FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME
WITHOUT NOTICE, AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS.
ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR
INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS
AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered
trademarks or copyrights of their respective companies, and are used only for identification or
explanation and to the owners’ benefit, without intent to infringe.
ii
Contents
Features
Notices ............................................................................................ v
Safety information .......................................................................... vi
About this guide ............................................................................. vii
Conventions used in this guide ............................................ vii
Typography ........................................................................... vii
P4S800-X specifications summary ............................................... viii
Chapter 1: Product introduction
1.1
1.2
1.3
Welcome! ........................................................................... 1-2
Package contents ............................................................... 1-2
Special features .................................................................. 1-3
1.3.1 Product Highlights .................................................. 1-3
1.3.2 Unique ASUS features ........................................... 1-4
1.4 Before you proceed ............................................................ 1-5
1.5 Motherboard overview ........................................................ 1-6
1.5.1 Motherboard layout ................................................ 1-6
1.5.2 Placement direction ............................................... 1-7
1.5.3 Screw holes ........................................................... 1-7
1.6 Central Processing Unit (CPU) ........................................... 1-8
1.6.1 Overview ................................................................ 1-8
1.6.2 Installing the CPU .................................................. 1-9
1.7 System memory ............................................................... 1-10
1.7.1 DIMM sockets location ......................................... 1-10
1.7.2 Installing a DIMM ................................................. 1-10
1.7.3 DIMM Qualified Vendors List ................................1-11
1.8 Expansion slots ................................................................ 1-12
1.8.1 Standard interrupt assignments ........................... 1-12
1.8.2 IRQ assignments for this motherboard ................ 1-13
1.8.3 PCI slots .............................................................. 1-13
1.8.4 AGP slot ............................................................... 1-14
1.9 Jumpers ............................................................................ 1-15
1.10 Connectors ....................................................................... 1-17
1.10.1 Rear panel connectors ......................................... 1-17
1.10.2 Internal connectors .............................................. 1-18
iii
Contents
Safeguards
Chapter 2: BIOS Information
2.1
2.2
2.3
2.4
2.5
2.6
2.7
Managing and updating your BIOS .................................... 2-2
2.1.1 Using ASUS EZ Flash to update the BIOS ............ 2-2
2.1.2 Using AFLASH to update the BIOS ....................... 2-3
2.1.3 CrashFree BIOS 2 ................................................. 2-6
BIOS Setup program .......................................................... 2-7
2.2.1 BIOS menu bar ...................................................... 2-7
2.2.2 Legend bar ............................................................. 2-8
Main Menu .......................................................................... 2-9
2.3.1 Primary and Secondary Master/Slave ................. 2-10
2.3.2 Keyboard Features .............................................. 2-13
Advanced Menu ............................................................... 2-13
2.4.1 Chip Configuration ............................................... 2-15
2.4.2 I/O Device Configuration ...................................... 2-17
2.4.3 PCI Configuration ................................................ 2-18
Power Menu ..................................................................... 2-20
2.5.1 Power Up Control ................................................ 2-21
2.5.2 Hardware Monitor ................................................ 2-22
Boot Menu ........................................................................ 2-22
Exit Menu ......................................................................... 2-24
Chapter 3: Software support
3.1
3.2
3.3
iv
Install an operating system ................................................. 3-2
Support CD information ...................................................... 3-2
3.2.1 Running the support CD ........................................ 3-2
3.2.2 Drivers menu ......................................................... 3-3
3.2.3 Utilities menu ......................................................... 3-3
3.2.4 ASUS Contact Information ..................................... 3-4
ASUS Instant Music Lite ..................................................... 3-5
Notices
Federal Communications Commission Statement
This device complies with Part 15 of the FCC Rules. 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.
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.
This class B digital apparatus complies with Canadian ICES-003.
Where to find more information
Refer to the following sources for additional information and for product and
software updates.
1. ASUS Websites
The ASUS website provides updated information on ASUS hardware and
software products. The ASUS websites are listed in the ASUS Contact
Information on the inside front cover.
2. Optional Documentation
Your product package may include optional documentation, such as warranty
flyers, that may have been added by your dealer. These documents are not
part of the standard package.
v
Safety information
Electrical safety
•
To prevent electrical shock hazard, disconnect the power cable from the
electrical outlet before relocating the system.
•
When adding or removing devices to or from the system, ensure that the power
cables for the devices are unplugged before the signal cables are connected. If
possible, disconnect all power cables from the existing system before you add a
device.
•
Before connecting or removing signal cables from the motherboard, ensure that
all power cables are unplugged.
•
Seek professional assistance before using an adpater or extension cord. These
devices could interrupt the grounding circuit.
•
Make sure that your power supply is set to the correct voltage in your area. If you
are not sure about the voltage of the electrical outlet you are using, contact your
local power company.
•
If the power supply is broken, do not try to fix it by yourself. Contact a qualified
service technician or your retailer.
Operation safety
vi
•
Before installing the motherboard and adding devices on it, carefully read all the
manuals that came with the package.
•
Before using the product, make sure all cables are correctly connected and the
power cables are not damaged. If you detect any damage, contact your dealer
immediately.
•
To avoid short circuits, keep paper clips, screws, and staples away from
connectors, slots, sockets and circuitry.
•
Avoid dust, humidity, and temperature extremes. Do not place the product in any
area where it may become wet.
•
Place the product on a stable surface.
•
If you encounter technical problems with the product, contact a qualified service
technician or your retailer.
About this guide
Conventions used in this guide
To make sure that you perform certain tasks properly, take note of the following
symbols used throughout this manual.
WARNING: Information to prevent injury to yourself when trying to
complete a task.
CAUTION: Information to prevent damage to the components when
trying to complete a task.
IMPORTANT: Information that you MUST follow to complete a task.
NOTE: Tips and additional information to aid in completing a task.
Typography
Bold text
Indicates a menu or an item to select.
Italics
Used to emphasize a word or a phrase.
<Key>
Keys enclosed in the less-than and greater-than sign
indicates that you must press the enclosed key.
Example: <Enter> indicates that you must press the
Enter or Return key.
<Multiple key names>
If you must press two or more keys simultaneously,
the key names are linked with a plus sign (+).
Example: <Ctrl+Alt+D>
Command
Means that you must enter the command exactly as
shown. Example:
At the DOS prompt, type the command line:
FORMAT A:/S
vii
P4S800-X specifications summary
CPU
Socket 478 for Intel® Pentium® 4 / Celeron® processors
Supports Intel® Hyper-Threading Technology
New power design to support Intel® Prescott CPU
Chipset
SiS® 648FX
SiS® 963L
Front System Bus
800/533/400 MHz
Memory
3 x 184-pin DDR DIMM sockets support up to 3GB
unbufferred non-ECC DDR memory
(Note: PC2100/PC1600 support up to 3 DIMMs; PC3200/
PC2700 support up to 2 DIMMs; 1 GB PC3200/PC2700
with 32 DDR chips support to 1 DIMM only.)
Expansion slots
1 x AGP 8X (1.5V only)
5 x PCI
Storage
2 x Ultra DMA 133/100/66/33 connectors
Audio
ADI AD1888 6-channel audio CODEC
S/PDIF-out interface
LAN
Integrated 10/100 Mbps LAN controller + VIA VT6103 PHY
USB
Maximum of six (6) USB 2.0 ports
Special features
ASUS EZ Flash
ASUS Instant Music Lite
ASUS CrashFree BIOS 2
ASUS JumperFree
ASUS C.P.R. (CPU Parameter Recall)
Overclocking features
CPU, Memory and AGP Voltage adjustable
SFS (Stepless Frequency Selection) from 100Mhz up to
266MHz at 1MHz increment
Adjustable FSB/DDR ratio, Fixed AGP/PCI frequencies
Rear Panel I/O
1 x PS/2 keyboard port
1 x Parallel port
1 x Serial port
4 x USB 2.0/USB 1.1 ports
1 x RJ-45 port
1 x SPDIF-out port
1 x PS/2 mouse port
Line In/Line Out/Microphone ports
(continued on the next page)
viii
Internal I/O connectors
1 x USB 2.0 connector for 2 additional USB ports
CPU/Chassis fan connectors
20-pin/4-pin ATX 12V power connectors
Chassis intrusion connector
GAME/MIDI connector
CD/AUX audio connectors
Front panel audio connector
BIOS features
2Mb Flash ROM, ASUS JumperFree, Award BIOS, TCAV,
PnP, DMI2.0, WfM2.0, SM BIOS2.3, ASUS EZ Flash, ASUS
CrashFree BIOS 2, ASUS C.P.R.
Industry standard
PCI 2.2, USB 2.0
Manageability
WfM 2.0, DMI 2.0, WOL/WOR by PME, Chassis intrusion,
SM Bus
Form Factor
ATX form factor: 12 in x 9.6 in
Support CD contents
Device drivers
ASUS PC Probe
ASUS LiveUpdate Utility
Trend Micro™ PC-cillin™ anti-virus software (OEM version)
* Specifications are subject to change without notice.
ix
x
Chapter 1
This chapter describes the features of the
motherboard. It includes brief descriptions of the
motherboard components, and illustrations of the
layout, jumper settings, and connectors.
Product introduction
1.1
Welcome!
Thank you for buying the ASUS® P4S800-X motherboard!
The motherboard delivers a host of new features and latest technologies making it
another standout in the long line of ASUS quality motherboards!
The motherboard combines the powers of the Intel® Pentium® 4 processor with
Intel® Hyper-Threading Technology support coupled with the SiS® 648FX chipset
with Front Side Bus 800 (FSB800) support and the unique MuTIOL technology to
set a new benchmark for an effective desktop platform solution.
Supporting up to 3GB of system memory with PC3200/2700/2100/1600 DDR
SDRAM, high-resolution graphics via an AGP 8X slot, USB 2.0, and 6-channel
audio features, the motherboard takes you ahead in the world of power computing!
Before you start installing the motherboard, and hardware devices on it, check the
items in your package with the list below.
1.2
Package contents
Check your motherboard package for the following items.
ASUS P4S800-X motherboard
ASUS motherboard support CD
Ultra DMA 133/100/66 IDE cable
Ribbon cable for a 3.5-inch floppy drive
I/O shield
Bag of extra jumper caps
User Guide
If any of the above items is damaged or missing, contact your retailer.
1-2
Chapter 1: Product introduction
1.3
Special features
1.3.1 Product Highlights
With the SiS® 648FX chipset, the motherboard supports 800MHz front side bus
and the Intel® Prescott CPU. In addition to supporting high-bandwidth DDR400,
unique MuTIOL technology increases the bus speed between the northbridge and
southbridge to 1GB/sec for enhanced system performance.
Latest processor technology
Leveraging the SiS® 648FX chipset to support 3.2 GHz+ P4 CPU on 800MHz FSB,
Intel® Hyper-Threading technology and DDR400 memory makes the motherboard
deliver a full-value, high-performance solution for today’s most demanding tasks.
DDR 400 (PC3200) Support
DDR400 (PC3200) supports bandwidth up to 3.2 GB/s to provide enhanced
system performance.
PC2100/1600 support up to 3 DIMMs; PC3200/2700 support up to 2 DIMMs;
1 GB PC3200/2700 with 32 DDR chips support to 1 DIMM only.
AGP 8X support
AGP 8X (AGP 3.0) is the VGA interface specification that enables enhanced
graphics performance with maximum bandwidth speeds of up to 2.12 GB/s.
6 USB 2.0 ports
The motherboard implements the new Universal Serial Bus (USB) 2.0
specification, extending the connection speed from 12 Mbps on USB 1.1 to a fast
480 Mbps on USB 2.0 - supporting up to six USB 2.0 ports. The higher bandwidth
of USB 2.0 allows connection of devices such as high resolution video
conferencing cameras, next generation scanners and printers, and fast storage
units. USB 2.0 is backward compatible with USB 1.1.
MuTIOL Technology
The motherboard supports high-bandwidth DDR400 and unique MuTIOL
technology that increases the bus speed between the northbridge and southbridge
to 1GB/s.
S/PDIF out
The motherboard’s S/PDIF out function turns your computer into a high-end
entertainment system with digital connectivity to powerful speaker systems.
ASUS P4S800-X motherboard
1-3
SoundMAX Digital Audio System
The SoundMAX® Digital Audio System is the industry’s high-performance and most
reliable audio solution for business professionals, audiophiles, musicians, and
gamers. SoundMAX Digital Audio System can output 5.1 channel surround and
features state-of-the-art DLS2 MIDI synthesizer with Yamaha DLSbyXG sound set,
5.1 Virtual Theater™ and supports all major game audio technologies including
Microsoft DirectX™8.0, Microsoft DirectSound 3D™, A3D, MacroFX, ZoomFX,
MultiDrive 5.1 and EAX.
1.3.2 Unique ASUS features
CrashFree BIOS
This feature allows you to restore the original BIOS data from the ASUS support
CD in case when the BIOS codes and data are corrupted. This protection
eliminates the need to buy a replacement ROM chip. See page 2-6.
ASUS EZ Flash BIOS
With the ASUS EZ Flash, you can easily update the system BIOS even before
loading the operating system. No need to use a DOS-based utility or boot from a
floppy disk. See page 2-2.
C.P.R. (CPU Parameter Recall)
The C.P.R. feature of the motherboard BIOS allows automatic re-setting to the
BIOS default settings in case the system hangs due to overclocking. When the
system hangs due to overclocking, C.P.R. eliminates the need to open the system
chassis and clear the RTC data. Simply shut down and reboot the system, and
BIOS automatically restores the CPU previous setting for each parameter.
Instant Music Lite
This unique feature allows you to playback audio CDs even without booting the
system to Windows®. Just press the ASUS Instant Music special function keys and
enjoy the music! See details on pages 2-15 and 3-5.
1-4
Chapter 1: Product introduction
1.4
Before you proceed
Take note of the following precautions before you install motherboard components
or change any motherboard settings.
1.
2.
3.
4.
5.
Unplug the power cord from the wall socket before touching any
component.
Use a grounded wrist strap or touch a safely grounded object or discharge
any static electricity by touching the metal surface of the system chassis.
Hold components by the edges to avoid touching the ICs on them.
Whenever you uninstall any component, place it on a grounded antistatic
pad or in the bag that came with the component.
Before you install or remove any component, ensure that the ATX
power supply is switched off or the power cord is detached from the
power supply. Failure to do so may cause severe damage to the
motherboard, peripherals, and/or components.
Onboard LED
The motherboard comes with a stand-by power LED. When lit, this green LED
indicates that the system is ON, in sleep mode, or in soft-off mode, a reminder that
you should shut down the system and unplug the power cable before removing or
plugging in any motherboard component. The illustration below shows the location
of the onboard LED.
SB_PWR
P4S800-X
®
ON
Standby
Power
OFF
Powered
Off
P4S800-X Onboard LED
ASUS P4S800-X motherboard
1-5
1.5
Motherboard overview
1.5.1 Motherboard layout
24.5cm (9.6in)
ATX Power Connector
PS/2KBMS
T: Mouse
B: Keyboard
CPU_FAN
Bottom:
ATX12V
Top:
USB3 RJ-45
USB4
SiS
648FX
Chip
PRI_IDE
30.5cm (12.0in)
USB12
SEC_IDE
USBPW12
USBPW34
DDR DIMM3 (64/72 bit,184-pin module)
COM1
DDR DIMM2 (64/72 bit,184-pin module)
DDR DIMM1 (64/72 bit,184-pin module)
SPDIF1
PARALLEL PORT
Socket 478
Top:Line In
Center:Line Out
Below:Mic In
Accelerated Graphics Port (AGP)
SiS
963LUA
Chipset
P4S800-X
®
PCI1
PCI2
FLOPPY
CR2032 3V
Lithium Cell
CMOS Power
FP_AUDIO
PCI3
CLRTC
PCI4
Super
I/O
Audio
Codec
AUX
2Mbit
ISA
CD
CHASSIS
PCI5
USBPW56
SB_PWR
1-6
USB_56
GAME
CHA_FAN
PANEL
Chapter 1: Product introduction
1.5.2 Placement direction
When installing the motherboard, make sure that you place it into the chassis in
the correct orientation. The edge with external ports goes to the rear part of the
chassis as indicated in the image below.
1.5.3 Screw holes
Place nine (9) screws into the holes indicated by circles to secure the motherboard
to the chassis.
Do not overtighten the screws! Doing so may damage the motherboard.
Place this side towards
the rear of the chassis
ASUS P4S800-X motherboard
1-7
1.6
Central Processing Unit (CPU)
1.6.1 Overview
The motherboard comes with a surface mount 478-pin Zero Insertion Force (ZIF)
socket designed for the Intel® Pentium® 4 processor.
Take note of the marked corner (with gold triangle) on the CPU. This mark should
match a specific corner on the socket to ensure correct installation.
Gold Arrow
P4S800-X
®
P4S800-X Socket 478
Incorrect installation of the CPU into the socket may bend the pins and severely
damage the CPU!
Notes on Intel® Hyper-Threading Technology
1-8
1.
This motherboard supports Intel® Pentium® 4 CPUs with Hyper-Threading
Technology.
2.
Hyper-Threading Technology is supported under Windows® XP and Linux
2.4.x (kernel) and later versions only. Under Linux, use the Hyper-Threading
compliler to compile the code. If you are using any other operating systems,
disable the Hyper-Threading Technology item in BIOS to ensure system
stability and performance.
3.
It is recommended that you install Windows® XP Service Pack 1.
4.
Make sure to enable the Hyper-Threading Technology item in BIOS before
installing a supported operating system.
5.
For more information on Hyper-Threading Technology, visit www.intel.com/
info/hyperthreading.
Chapter 1: Product introduction
1.6.2 Installing the CPU
Follow these steps to install a CPU.
1. Locate the 478-pin ZIF socket on the motherboard.
90º~100º angle
2. Unlock the socket by pressing the
lever sideways, then lift it up to a 90°100° angle.
Socket Lever
Make sure that the socket lever is lifted up to 90°-100° angle; otherwise, the
CPU does not fit in completely.
3. Position the CPU above the socket
such that its marked corner matches
the base of the socket lever.
Gold Mark
4. Carefully insert the CPU into the
socket until it fits in place.
The CPU fits only in one correct orientation. DO NOT force the CPU into the
socket to prevent bending the pins and damaging the CPU!
5. When the CPU is in place, push
down the socket lever to secure the
CPU. The lever clicks on the side tab
to indicate that it is locked.
ASUS P4S800-X motherboard
1-9
1.7
System memory
1.7.1 DIMM sockets location
104 Pins
DIMM3
DIMM2
DIMM1
You can install 64MB, 256MB, 512MB, and 1GB DDR DIMMs into the DIMM
sockets of this motherboard. The following figure illustrates the location of the DDR
DIMM sockets.
P4S800-X
80 Pins
®
P4S800-X 184-Pin DDR DIMM Sockets
•
•
•
Make sure to unplug the power supply before adding or removing DIMMs or
other system components. Failure to do so may cause severe damage to
the motherboard and other system components.
When installing long AGP cards, it is recommended to install the memory
modules first. Long AGP cards when installed may interfere with memory
socket.
Make sure that the memory frequency matches the CPU Front Side Bus.
Refer to Table 2 for details.
1.7.2 Installing a DIMM
DDR DIMM
Follow these steps to install a DIMM.
1. Unlock a DIMM socket by pressing the
retaining clips outward.
2. Align a DIMM on the socket such that the
notch on the DIMM matches the break on
the socket.
3. Firmly insert the DIMM into the socket
until the retaining clips snap back in place
and the DIMM is properly seated.
•
•
1-10
Unlocked
A DDR DIMM is keyed with a notch so that it fits in only one direction. DO
NOT force a DIMM into a socket to avoid damaging the DIMM.
Install only qualified DDR DIMMs on this motherboard. See Table 1.
Chapter 1: Product introduction
1.7.3 DIMM Qualified Vendors List
The following table lists the memory modules that have been tested and qualified
for use with this motherboard.
Table 1 Qualified DDR 400 DIMMs
Vendor
ADATA /S
Part Number
MDOMO5F3G31-JB1EAZ
Chip Vendor
Mosel
Chip Part Number
Size
V58C2256804SAT5
256MB
ADATA /S
MDOADHF3G31-JB1FC2
ADATA
ADD8608A8A-4.5B
256MB
ADATA /S
MDOSS6F3G31JB1EAE
Samsung
K4H560838D-TCC4
256MB
ADATA /S
MDOWB5F3G316B1EAE
Winbond
W942508BH-5
256MB
Apacer /S
77.10636.465
Samsung
K4H560838D-TCCC
256MB
Apacer /D
77.10736.464
Samsung
K4H560838D-TCCC
512MB
Apacer /S
77.10639.535
PSC
A2S56D30ATP
256MB
Apacer /D
77.10739.534
PSC
A2S56D30ATP
512MB
ATP /S
AG32L64T8SQC4S
Samsung
K4H560838D-TCC4
256MB
ATP /D
AG64L64T8SQC4S
Samsung
K4H560838D-TCC4
512MB
Geil /S
MAG32UL6464D2TG5A-KC
Geil
GL3LC32G88TG-5A
256MB
Geil /D
MAG16UL3264D1TG5A-KC
Geil
GL3LC32G88TG-5A
512MB
Hynix /S
HYMD232646B8J-D43 AA
Hynix
HY5DU56822BT-D43
256MB
Hynix /D
HYMD232646B8J-D43 AA
Hynix
HY5DU56822BT-D43
512MB
Infineon /S
HYS64D16301GU-5-B
Infineon
HYB25D256160BT-5B
128MB
Infineon /S
HYS64D32300GU-5-B
Infineon
HYB25D256800BT-5B
256MB
Infineon /D
HYS64D64320GU-5-B
Infineon
HYB25D256800BT-5B
512MB
Kingston /S
KVR400X64C25/256
Winbond
W942508BH-5
256MB
Kingston /S
KVR400X64C3/256
Samsung
K4H560838D-TCC4
256MB
Kingston /D
KVR400X64C3/512
Samsung
K4H560838D-TCC4
512MB
Micron /S
MT8VDDT3264AG-40BC4
Micron
MT46V32M8TG-5BC
256MB
Micron /D
MT16VDDT6464AG-40BC4
Micron
MT46V32M8TG-5BC
512MB
PSC /D
AL6D8A53T1-5B
PSC
A2S56D30ATP
512MB
SAMSUNG /S
M368L3223ETM-CCC
Samsung
K4H560838E-TCCC
256MB
SAMSUNG /D
M368L6432ETM-CCC
Samsung
K4H560838E-TCCC
512MB
Transcend /S
TS32MLD64V4F3
Mosel
V58C2256804SAT5
256MB
Transcend /D
TS64MLD64V4F3
Mosel
V58C2256804SAT5
512MB
TwinMOS /S
M2G9I08AFATT9F081AA4T
TwinMOS
TMD7608F8FE50D
256MB
TwinMOS /D
M2G9J16AGATT9F081AA4T
TwinMOS
TMD7608F8FE50D
512MB
TwinMOS /S
M2S9I08AFAPS9F0811A-T
PSC
A2S56D30ATP
256MB
TwinMOS /D
M2G9J16AGATT9F081AA4T
TwinMOS
TMD7608F8E50D
512MB
Winbond /D
W9451GCDB-5
Winbond
W942508CH-5
512MB
Apacer /S
77.10328.462
Samsung
K4H280838D-TCB3
128MB
Hynix /D
HYMD132645B8J-JAA
Hynix
HY5DU28822BT-J
256MB
Kingston /S
KVR333X64C25/256
Mosel
V58C2256804SAT6
256MB
Kingston /D
KVR333X64C25/512
Mosel
V58C2256804SAT6
512MB
Mosel /D
MPMC225-383
Mosel
V58C2256804SAT6
512MB
Nanya /D
NT256D64S8HA0G-6
Nanya
NT5DS16M8AT-6
256MB
PQI /S
MD3456UPS
PQI
PQ3D328S6-0246
256MB
Samsung /S
M368L3223KTL-CB3
Samsung
K4H560838D-TCB3
256MB
512MB
Samsung /D
M368L6423ETN-CB3
Samsung
K4H560838E-TCB3
TwinMOS /S
M2G5I08AIATT5F081AA4T
TwinMOS
TMD7608F8E60B
256MB
TwinMOS /D
M2G5J16AJATT5F081AA4T
TwinMOS
TMD7608F8E60B
512MB
Winbond
W942508AH-6
512MB
Winbond /D
LEGEND: /S - Single Sided DIMMs
/D - Double Sided DIMMs
ASUS P4S800-X motherboard
1-11
Table 2 Memory Frequency/CPU FSB Synchronization
CPU Front Side Bus (FSB)
800 MHz
533 MHz
400 MHz
1.8
Memory Frequency
PC3200/PC2700
PC3200/PC2700/PC2100
PC3200/PC2700/PC2100/PC1600
Expansion slots
To install and configure an expansion card:
1. Install an expansion card following the instructions that came with the chassis.
2. Turn on the system and change the necessary BIOS settings, if any. See
Chapter 2 for BIOS information.
3. Assign an IRQ to the card. Refer to the tables next page.
4. Install the drivers and/or software applications for the expansion card
according to the card documentation.
1.8.1 Standard interrupt assignments
IRQ
0
1
2
3*
4*
5*
6
7*
8
9*
10*
11*
12*
13
14*
15*
Priority
1
2
N/A
11
12
13
14
15
3
4
5
6
7
8
9
10
Standard Function
System Timer
Keyboard Controller
Programmable Interrupt
Communications Port (COM2)
Communications Port (COM1)
IRQ holder for PCI steering
Floppy Disk Controller
Printer Port (LPT1)
System CMOS/Real Time Clock
IRQ holder for PCI steering
Advance AC’97 CODEC
Standard PCI Graphics Adapter (VGA)
PS/2 Compatible Mouse Port
Numeric Data Processor
Primary IDE Channel
Secondary IDE Channel
* These IRQs are usually available for ISA or PCI devices.
1-12
Chapter 1: Product introduction
1.8.2 IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCI slot 1
— shared —
—
—
—
—
—
PCI slot 2
—
— shared —
—
—
—
—
PCI slot 3
—
—
— shared —
—
—
—
PCI slot 4
shared —
—
—
—
—
—
—
PCI slot 5
— shared —
—
—
—
—
—
AGP slot
— shared —
—
—
—
—
—
Onboard USB 1.1/2.0 controller —
—
—
— shared shared shared shared
Onboard LAN
—
—
— shared —
—
—
—
Onboard Audio
—
— shared —
—
—
—
—
When using PCI cards on shared slots, ensure that the drivers support “Share
IRQ” or that the cards do not need IRQ assignments. Otherwise, conflicts will
arise between the two PCI groups, making the system unstable and the card
inoperable.
1.8.3 PCI slots
The PCI slots support PCI cards such as a LAN card, SCSI card, USB card, and
other cards that comply with PCI specifications.
ASUS P4S800-X motherboard
1-13
1.8.4 AGP slot
The Accelerated Graphics Port (AGP) slot supports AGP 8X/4X (+1.5V) cards.
When you buy an AGP card, make sure that you ask for one with +1.5V
specification.
Note the notches on the card golden fingers to ensure that they fit the AGP slot on
the motherboard.
Install only +1.5V AGP cards.
P4S800-X
®
Keyed for 1.5v
P4S800-X Accelerated Graphics Port (AGP)
If installing the ATi 9500 or 9700 Pro Series VGA cards, use only the card
version PN xxx-xxxxx-30 or later, for optimum performance and overclocking
stability.
1-14
Chapter 1: Product introduction
1.9
Jumpers
1. Clear RTC RAM (CLRTC)
This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS.
You can clear the CMOS memory of date, time, and system setup parameters
by erasing the CMOS RTC RAM data. The RAM data in CMOS, that include
system setup information such as system passwords, is powered by the
onboard button cell battery.
To erase the RTC RAM:
1. Turn OFF the computer and unplug the power cord.
2. Move the jumper cap from pins 1-2 (default) to pins 2-3. Keep the cap on
pins 2-3 for about 5~10 seconds, then move the cap back to pins 1-2.
3. Plug the power cord and turn ON the computer.
4. Hold down the <Del> key during the boot process and enter BIOS setup to
re-enter data.
Except when clearing the RTC RAM, never remove the cap on the jumper
default position. Removing the cap will cause system boot failure!
CLRTC
P4S800-X
®
1 2
Normal
(Default)
2 3
Clear CMOS
P4S800-X Clear RTC RAM
You do not need to clear the RTC when the system hangs due to overclocking.
For system failure due to overclocking, use the C.P.R. (CPU Parameter Recall)
feature. Shut down and reboot the system so BIOS can automatically reset
parameter settings to its previous values.
ASUS P4S800-X motherboard
1-15
2. USB device wake-up (3-pin USBPW12, USBPW34, USBPW56)
Set these jumpers to +5V to wake up the computer from S1 sleep mode (CPU
stopped, DRAM refreshed, system running in low power mode) using the
connected USB devices. Set to +5VSB to wake up from S3 and S4 sleep
modes (no power to CPU, DRAM in slow refresh, power supply in reduced
power mode).
USBPW12
USBPW34
2 3
1 2
+5V
(Default)
+5VSB
P4S800-X
®
USBPW56
1 2
P4S800-X USB Device Wake Up
1-16
+5V
(Default)
2 3
+5VSB
•
The USB device wake-up feature requires a power supply that can provide
500mA on the +5VSB lead for each USB port. Otherwise, the system would
not power up.
•
The total current consumed must NOT exceed the power supply capability
(+5VSB) whether under normal condition or in sleep mode.
Chapter 1: Product introduction
1.10 Connectors
This section describes and illustrates the motherboard rear panel and internal
connectors.
1.10.1 Rear panel connectors
1
2
3
4
5
6
11
10
9
8
7
1. PS/2 mouse port. This green 6-pin connector is for a PS/2 mouse.
2. Parallel port. This 25-pin port connects a parallel printer, a scanner, or other
devices.
3. RJ-45 port. This port allows connection to a Local Area Network (LAN) through
a network hub.
4. Line In jack. This Line In (light blue) jack connects a tape player or other audio
sources. In 6-channel mode, the function of this jack becomes Bass/Center.
5. Line Out jack. This Line Out (lime) jack connects a headphone or a speaker.
In 6-channel mode, the function of this jack becomes Front Speaker Out.
6. Microphone jack. This Mic (pink) jack connects a microphone. In 6-channel
mode, the function of this jack becomes Rear Speaker Out.
The functions of the Line Out, Line In, and Microphone jacks change when you
select the 6-channel audio configuration as shown in the following table.
Audio 2, 4 or 6-channel configuration
Light Blue
Lime
Pink
Headphone/
2-Speaker
Line In
Line Out
Mic In
4-Speaker
Line In
Front Speaker Out
Rear Speaker Out
6-Speaker
Bass/Center
Front Speaker Out
Rear Speaker Out
7. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
8. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are
available for connecting USB 2.0 devices.
9. Serial connector. This port connects to your serial mouse and other serial
devices.
10. S/PDIF out port. This jack connects to external audio output devices.
11. PS/2 keyboard port. This purple connector is for a PS/2 keyboard.
ASUS P4S800-X motherboard
1-17
1.10.2 Internal connectors
1. IDE connectors (40-1 pin PRI_IDE, SEC_IDE)
This connector supports the provided Ultra DMA 100/66 IDE hard disk ribbon
cable. Connect the cable’s blue connector to the primary (recommended) or
secondary IDE connector, then connect the gray connector to the Ultra DMA
100/66 slave device (hard disk drive) and the black connector to the Ultra DMA
100/66 master device.
Follow the hard disk drive documentation when setting the device in master
or slave mode.
•
Pin 20 on each IDE connector is removed to match the covered hole on the
Ultra DMA cable connector. This prevents incorrect orientation when you
connect the cables.
•
The hole near the blue connector on the Ultra DMA cable is intentional.
®
P4S800-X IDE Connectors
PRI_IDE
P4S800-X
SEC_IDE
•
NOTE: Orient the red markings
(usually zigzag) on the IDE
ribbon cable to PIN 1.
PIN 1
2. Floppy disk drive connector (34-1 pin FLOPPY)
This connector supports the provided floppy drive ribbon cable. After
connecting one end to the motherboard, connect the other end to the floppy
drive. (Pin 5 is removed to prevent incorrect insertion when using ribbon cables
with pin 5 plug).
PIN 1
FLOPPY
P4S800-X
®
NOTE: Orient the red markings on
the floppy ribbon cable to PIN 1.
P4S800-X Floppy Disk Drive Connector
1-18
Chapter 1: Product introduction
3. ATX power connectors (20-pin ATXPWR, 4-pin ATX12V)
These connectors connect to an ATX 12V power supply. The plugs from the
power supply are designed to fit these connectors in only one orientation. Find
the proper orientation and push down firmly until the connectors completely fit.
In addition to the 20-pin ATX power connector, this motherboard requires that
you connect the 4-pin ATX +12V power plug to provide sufficient power to the
CPU.
ATX12V
ATXPWR
Pin 1
+12.0VDC
+5VSB
PWR_OK
COM
+5.0VDC
COM
+5.0VDC
COM
+3.3VDC
+3.3VDC
P4S800-X
®
+5.0VDC
+5.0VDC
-5.0VDC
COM
COM
COM
PS_ON#
COM
-12.0VDC
+3.3VDC
GND
+12V DC
GND
+12V DC
P4S800-X ATX Power Connector
Make sure that your ATX 12V power supply can provide 8A on the +12V lead
and at least 1A on the +5-volt standby lead (+5VSB). The minimum
recommended wattage is 230W, or 300W for a fully configured system. The
system may become unstable and may experience difficulty powering up if the
power supply is inadequate.
4. Internal audio connectors (4-pin CD, AUX)
These connectors allow you to receive stereo audio input from sound sources
such as a CD-ROM, TV tuner, or MPEG card.
CD(Black)
P4S800-X
®
Left Audio Channel
Ground
Ground
Right Audio Channel
AUX(White)
Right Audio Channel
Ground
Ground
Left Audio Channel
P4S800-X Internal Audio Connectors
ASUS P4S800-X motherboard
1-19
5. CPU and chassis fan connectors (3-pin CPU_FAN, CHA_FAN)
The fan connectors support cooling fans of 350mA~740mA (8.88W max.) or a
total of 1A~2.22A (26.64W max.) at +12V. Connect the fan cables to the fan
connectors on the motherboard, making sure that the black wire of each cable
matches the ground pin of the connector.
Rotation
+12V
GND
CPU_FAN
P4S800-X
®
CHA_FAN
Rotation
+12V
GND
P4S800-X 12-Volt Fan Connectors
Do not forget to connect the fan cables to the fan connectors. Lack of sufficient
air flow within the system may damage the motherboard components. These
are not jumpers! DO NOT place jumper caps on the fan connectors!
6. USB header (10-1 pin USB56)
USB+5V
USB_P6USB_P6+
GND
NC
If the USB ports on the rear panel are inadequate, a USB header is available
for additional USB ports. Connect the USB cable of the USB 2.0 module to this
header. You may install the USB module in the chassis front panel. The
module has two USB 2.0 ports for connecting next generation USB peripherals
such as high resolution cameras, scanners, and printers.
P4S800-X
®
1
P4S800-X USB 2.0 Header
•
•
1-20
USB+5V
USB_P5USB_P5+
GND
USB56
The USB 2.0 module is purchased separately.
Install the USB 2.0 driver before using the USB 2.0 feature.
Chapter 1: Product introduction
7. Front panel audio connector (10-1 pin FP_AUDIO)
This is an interface for the front panel cable that allows convenient connection
and control of audio devices.
P4S800-X
BLINE_OUT_L
AGND
+5VA
BLINE_OUT_R
Be default, the pins labeled LINE OUT_R/BLINE_OUT_R and the pins
LINE OUT_L/BLINE_OUT_L are shorted with jumper caps. Remove the caps
only when you are connecting the front panel audio cable.
®
MIC2
MICPWR
Line out_R
NC
Line out_L
FP_AUDIO
P4S800-X Front Panel Audio Connector
8. Chassis intrusion connector (4-1 pin CHASSIS)
This lead is for a chassis designed with intrusion detection feature. This
requires an external detection mechanism such as a chassis intrusion sensor
or microswitch. When you remove any chassis component, the sensor triggers
and sends a high-level signal to this lead to record a chassis intrusion event.
By default, the pins labeled “Chassis Signal” and “Ground” are shorted with a
jumper cap. If you wish to use the chassis intrusion detection feature, remove
the jumper cap from the pins.
®
Chassis Signal
GND
P4S800-X
+5VSB_MB
CHASSIS
(Default)
P4S800-X Chassis Alarm Lead
ASUS P4S800-X motherboard
1-21
9. GAME/MIDI connector (16-1 pin GAME)
This connector supports a GAME/MIDI module. If a GAME/MIDI module is
available, connect the GAME/MIDI cable to this connector. The GAME/MIDI
port on the module connects a joystick or a game pad for playing games, and
MIDI devices for playing or editing audio files.
P4S800-X
+5V
J2B1
J2CX
MIDI_OUT
J2CY
J2B2
MIDI_IN
®
GAME
+5V
J1B1
J1CX
GND
GND
J1CY
J1B2
+5V
P4S800-X Game Connector
The GAME/MIDI module is purchased separately.
10. System panel connector (20-1 pin PANEL)
This connector accommodates several system front panel functions.
®
SMI Lead
+5V
Ground
Ground
Speaker
PLED-
IDE_LED
Reset
Ground
P4S800-X
ExtSMI#
Ground
PWR
Ground
IDE_LED+
IDE_LED-
PLED+
Power LED
Speaker
Connector
Reset SW
ATX Power
Switch*
* Requires an ATX power supply.
P4S800-X System Panel Connectors
• System Power LED Lead (2-pin PLED)
This 2-pin connector connects to the system power LED. The LED lights up
when you turn on the system power.
• Keyboard Lock Lead (2-pin KEYLOCK)
This 2-pin connector connects to a chassis-mounted switch to allow the use of
the keyboard lock feature.
1-22
Chapter 1: Product introduction
• System Warning Speaker Lead (4-pin SPEAKER)
This 4-pin connector connects to the case-mounted speaker and allows you to
hear system beeps and warnings.
• Reset Switch (2-pin RESET)
This 2-pin connector connects to the case-mounted reset switch for rebooting
the system without turning off the power switch.
• ATX Power Switch / Soft-Off Switch Lead (2-pin PWRBTN)
This connector connects a switch that controls the system power. Pressing the
power switch turns the system between ON and SLEEP, or ON and SOFT
OFF, depending on the BIOS or OS settings. Pressing the power switch while
in the ON mode for more than 4 seconds turns the system OFF.
• System Management Interrupt Lead (2-pin ExtSMI#)
This 2-pin connector permits switching to suspend mode, or “Green” mode, in
which system activity is instantly decreased to save power and to expand the
life of certain system components.
ASUS P4S800-X motherboard
1-23
1-24
Chapter 1: Product introduction
Chapter 2
This chapter tells how to change system settings
through the BIOS Setup menus. Detailed
descriptions of the BIOS parameters are also
provided.
BIOS information
ASUS P4S800-X motherboard
2-1
2.1
Managing and updating your BIOS
The following utilities allow you to manage and update the motherboard Basic
Input/Output System (BIOS) setup.
1. ASUS EZ Flash - Updates the BIOS using a floppy disk during POST.
2. ASUS AFLASH - Updates the BIOS using a bootable floppy disk in DOS mode.
3. ASUS CrashFree BIOS 2 - Updates the BIOS using a bootable floppy disk or
the support CD. Refer to the corresponding sections for details on these
utilities.
Important notes
•
•
It is recommended that you save a copy of the original motherboard
BIOS file to a bootable floppy disk in case you need to restore the BIOS
in the future.
Visit the ASUS website and download the latest BIOS file for this
motherboard.
2.1.1 Using ASUS EZ Flash to update the BIOS
The ASUS EZ Flash feature allows you to easily update the BIOS without having to
go through the long process of booting from a diskette and using a DOS-based
utility. The EZ Flash is built-in the BIOS firmware so it is accessible by simply
pressing <Alt + F2> during the Power-On Self Test (POST).
To update the BIOS using ASUS EZ Flash:
1. Visit the ASUS website (www.asus.com) to download the latest BIOS file for
your motherboard. Save the BIOS file to a floppy disk.
2. Reboot the system.
3. To launch EZ Flash, press <Alt+F2> during POST to display the following.
ASUS EZ Flash V1.00
Copyright (C) 2002, ASUSTeK COMPUTER INC.
[Onboard BIOS Information]
BIOS Version
: ASUS P4S800-X ACPI BIOS Revision 1002
BIOS Model
: P4S800-X
BIOS Built Date : 01/28/04
Please Enter File Name for NEW BIOS: _
*Note: EZ Flash will copy file from A:\, Press [ESC] to reboot
The BIOS information in the above screen is for reference only. What you see
on your screen may not be exactly the same as shown.
4. Insert the floppy disk that contains the new BIOS file into the floppy drive.
2-2
Chapter 2: BIOS Setup
5. At the prompt, “Please Enter File Name for NEW BIOS: _”, type in the BIOS
file name that you downloaded from the ASUS website, then press <Enter>.
EZ Flash will automatically access drive A to look for the file name that you
typed. When found, the following message appears on screen.
[BIOS Information in File]
BIOS Version: P4S800-X Boot Block
WARNING! Continue to update the BIOS (Y/N)? _
If you accidentally typed in a wrong BIOS file name, the error message,
“WARNING! File not found.” appears. Press <Enter> to remove the
message, then type in the correct file name and press <Enter>.
6. At the above prompt, type <Y> to continue with the update process or press
<N> to exit EZ Flash and reboot the system without updating the BIOS.
The following prompt appears if you typed <Y>.
Flash Memory:
SST 39SF020
Update Main BIOS area
(Y/N)? _
7. Press <Y> to update the main BIOS area.
DO NOT shutdown or reset the system while updating the BIOS area! Doing so
may cause system boot failure.
8. When finished, the message, “Press a key to reboot” appears. Press any
key to reboot the system with the new BIOS.
2.1.2 Using AFLASH to update the BIOS
Creating a bootable disk
AFLASH.EXE is a Flash Memory Writer utility that updates the BIOS by uploading
a new BIOS file to the programmable flash ROM on the motherboard. This file
works only in DOS mode. To determine the BIOS version of your motherboard,
check the last four numbers of the code displayed on the upper left-hand corner of
your screen during bootup. Larger numbers represent a newer BIOS file.
To create a bootable floppy disk:
1. Insert a floppy disk to the floppy disk drive.
2. At the DOS prompt, type the command line:
FORMAT A:/S then press <Enter>.
Wait for a few minutes to complete format process.
3. Copy AFLASH.EXE to the boot disk you created.
To copy, type the command line:
COPY D:\AFLASH.EXE\AFLASH.EXE A:\ then press <Enter>.
ASUS P4S800-X motherboard
2-3
•
•
The AFLASH.EXE utility works only in DOS mode. It does not work with
certain memory drivers that may be loaded when you boot from the hard
drive. It is recommended that you reboot using a floppy disk.
DO NOT copy AUTOEXEC.BAT and CONFIG.SYS to the disk.
4. Reboot the computer from the floppy disk.
BIOS setup must specify “Floppy” as the first item in the boot sequence.
5. To run AFLASH, at the DOS prompt type:
A:\AFLASH then press <Enter>
If the word “unknown” appears after Flash Memory, the memory chip is either
not programmable or is not supported by the ACPI BIOS and therefore, cannot
be programmed by the Flash Memory Writer utility.
6. Select 1. Save Current BIOS to File from the Main menu and press <Enter>.
The Save Current BIOS To File screen appears.
7. When asked to enter a filename to save, type a filename and the path. For
example, A:\XXX-XX.XXX, then press <Enter>.
Updating the BIOS
Update the BIOS only if you are sure that the new BIOS revision will solve your
problems. Careless updating may result to more problems with the
motherboard!
2-4
Chapter 2: BIOS Setup
1. Download an updated ASUS BIOS file from the ASUS website
(www.asus.com) and save to the boot floppy disk you created earlier.
2. Boot from the floppy disk.
3. At the DOS prompt, type AFLASH then press <Enter>.
4. From the Main Menu, type <2> then press <Enter>. The Update BIOS
Including Boot Block and ESCD screen appears.
5. Type the filename of your new BIOS and the path, for example,
A:\XXX-XX.XXX, then press <Enter>.
To cancel this operation, press <Enter>.
6. When prompted to confirm the BIOS update, press <Y> to start the update.
7. The utility starts to program the new BIOS information into the Flash ROM. The
boot block is updated automatically only when necessary. When the
programming is done, the message “Flashed Successfully” appears.
8. Follow the succeeding screen instructions to continue.
ASUS P4S800-X motherboard
2-5
DO NOT turn off the system while updating the BIOS. This may cause boot
problems. Just repeat the process, and if the problem persists, load the original
BIOS file you saved to the boot disk. If the Flash Memory Writer utility is not
able to successfully update a complete BIOS file, call the ASUS service center
for support.
2.1.3 CrashFree BIOS 2
The CrashFree BIOS 2 feature allows users to boot the computer from a floppy
disk and update the BIOS using AFLASH.EXE or EZ Flash Utility in case the
original BIOS fails or gets corrupted. If the user doesn’t have a bootable floppy disk
with the original BIOS, an auto-recovery procedure can be performed using the
support CD. It is recommended to save a copy of the motherboard’s original BIOS
along with the AFLASH.EXE utility to a bootable disk.(See section 2.1.2 to create a
bootable floppy disk)
Using the support CD
1. Boot using the support CD. The support CD will automatically detect whether
the BIOS is corrupted.
2. If the BIOS data or codes are corrupted, the message “The BIOS was
corrupted! Do you want to recover?”, appears.
3. Press “Y”, to start auto-recovery procedure. If there is no keyboard input from
user, the system will perform BIOS auto recovery after 30 seconds.
The recovered BIOS may not have the same version as original BIOS. Visit
ASUS website (www.asus.com) to download the latest BIOS for this
motherboard and update BIOS using ASUS AFLASH.EXE, ASUS EZ Flash
Utility or ASUS Live Update.
Using the created bootable floppy disk
1. Boot using the bootable floppy disk.
2. Execute AFLASH.EXE utility (Refer to section 2.1.2 “Using AFLASH to update
BIOS” for detailed procedures)
3. If the BIOS image is newer than the current BIOS or if the BIOS is corrupted,
the confirmation message “Are you sure? (Y/N)”, appears.
4. Press <Y> to update the BIOS.
2-6
Chapter 2: BIOS Setup
2.2
BIOS Setup program
Use the BIOS Setup program when you are installing a motherboard, reconfiguring
your system, or prompted to “Run Setup”. This section explains how to configure
your system using this utility.
Even if you are not prompted to use the Setup program, you may want to change the
configuration of your computer in the future. For example, you may want to enable
the security password feature or make changes to the power management settings.
This requires you to reconfigure your system using the BIOS Setup program so that
the computer can recognize these changes and record them in the CMOS RAM of
the EEPROM.
The EEPROM on the motherboard stores the Setup utility. When you start up the
computer, the system provides you with the opportunity to run this program. Press
<Del> during the Power-On Self Test (POST) to enter the Setup utility, otherwise,
POST continues with its test routines.
The Setup program is designed to make it as easy to use as possible. It is a
menu-driven program, which means you can scroll through the various sub-menus
and make your selections among the predetermined choices.
Because the BIOS software is constantly being updated, the following BIOS
setup screens and descriptions are for reference purposes only, and may not
exactly match what you see on your screen.
2.2.1 BIOS menu bar
The top of the screen has a menu bar with the following selections:
MAIN
Use this menu to make changes to the basic system
configuration.
ADVANCED
Use this menu to enable and make changes to the advanced
features.
POWER
Use this menu to configure and enable Power Management
features.
BOOT
Use this menu to configure the default system device used to
locate and load the Operating System.
EXIT
Use this menu to exit the current menu or to exit the Setup
program.
To access the menu bar items, press the right or left arrow key on the keyboard
until the desired item is highlighted.
ASUS P4S800-X motherboard
2-7
2.2.2 Legend bar
At the bottom of the Setup screen is a legend bar. The keys in the legend bar allow
you to navigate through the various setup menus. The following table lists the keys
found in the legend bar with their corresponding functions.
Navigation Key(s)
Function Description
<F1> or <Alt + H>
Displays the General Help screen from anywhere in the BIOS Setup
<Esc>
Jumps to the Exit menu or returns to the main
menu from a sub-menu
Left or Right arrow
Selects the menu item to the left or right
Up or Down arrow
Moves the highlight up or down between fields
- (minus key)
Scrolls backward through the values for the
highlighted field
+ (plus key) or spacebar Scrolls forward through the values for the
high-lighted field
<Enter>
Brings up a selection menu for the highlighted
field
<Home> or <PgUp>
Moves the cursor to the first field
<End> or <PgDn>
Moves the cursor to the last field
<F5>
Resets the current screen to its Setup Defaults
<F10>
Saves changes and exits Setup
General help
In addition to the Item Specific Help window, the BIOS setup program also provides
a General Help screen. You may launch this screen from any menu by simply pressing
<F1> or the <Alt+H> combination. The General Help screen lists the legend keys
and their corresponding functions.
Saving changes and exiting the Setup program
See “2.7 Exit Menu” for detailed information on saving changes and exiting the setup
program.
When a scroll bar appears to the right of a help window, it indicates that there is more
information to be displayed that will not fit in the window. Use <PgUp> and <PgDn>
or the up and down arrow keys to scroll through the entire help document. Press
<Home> to display the first page, press <End> to go to the last page. To exit the help
window, press <Enter> or <Esc>.
2-8
Chapter 2: BIOS Setup
Sub-menu
The sub-menu appears. Use the legend keys to enter values
and move from field to field within a sub-menu as you would
within a menu. Use the <Esc> key to return to the main menu.
Take some time to familiarize yourself with the legend keys
and their corresponding functions. Practice navigating through
the various menus and sub-menus. If you accidentally make
unwanted changes to any of the fields, use the set default hot
key <F5> to load the Setup default values. While moving
around through the Setup program, note that explanations
appear in the Item Specific Help window located to the right of
each menu. This window displays the help text for the currently highlighted field.
2.3
Main Menu
When you enter the Setup program, the following screen appears.
System Time [XX:XX:XX]
Sets the system to the time that you specify (usually the current time). The format
is hour, minute, second. Valid values for hour, minute and second are Hour: (00 to
23), Minute: (00 to 59), Second: (00 to 59). Use the <Tab> or <Shift+Tab> keys to
move between the hour, minute, and second fields.
System Date [XX/XX/XXXX]
Sets the system to the date that you specify (usually the current date). The format
is month, day, year. Valid values for month, day, and year are Month: (1 to 12),
Day: (1 to 31), Year: (up to 2099). Use the <Tab> or <Shift+Tab> keys to move
between the month, day, and year fields.
Legacy Diskette A [1.44M, 3.5 in.]
Sets the type of floppy drive installed. Configuration options: [None]
[360K, 5.25 in.] [1.2M , 5.25 in.] [720K , 3.5 in.] [1.44M, 3.5 in.] [2.88M, 3.5 in.]
Floppy 3 Mode Support [Disabled]
This is required to support older Japanese floppy drives. The Floppy 3 Mode feature
allows reading and writing of 1.2MB (as opposed to 1.44MB) on a 3.5-inch diskette.
Configuration options: [Disabled] [Enabled]
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2-9
Supervisor Password [Disabled] / User Password [Disabled]
These fields allow you to set passwords. To set a password, highlight the
appropriate field and press <Enter>. Type in a password then press <Enter>. You
can type up to eight alphanumeric characters. Symbols and other characters are
ignored. To confirm the password, type the password again and press <Enter>.
The password is now set to [Enabled]. This password allows full access to the
BIOS Setup menus. To clear the password, highlight this field and press <Enter>.
The same dialog box as above appears. Press <Enter>. The password is set to
[Disabled].
A note about passwords
The BIOS Setup program allows you to specify passwords in the Main menu. The passwords
control access to the BIOS during system startup. Passwords are not case sensitive,
meaning, passwords typed in either uppercase or lowercase letters are accepted. The BIOS
Setup program allows you to specify two different passwords: a Supervisor password and a
User password. If you did not set a Supervisor password, anyone can access the BIOS
Setup program. If you did, the Supervisor password is required to enter the BIOS Setup
program and to gain full access to the configuration fields.
Forgot the password?
If you forget your password, you can clear it by erasing the CMOS Real Time Clock (RTC)
RAM. The RAM data containing the password information is powered by the onboard button
cell battery. If you need to erase the CMOS RAM, unplug the all the power cables and
remove the button cell battery. Re-install the battery after about 2 seconds, then power up the
system.
Halt On [All Errors]
This field specifies the types of errors that will cause the system to halt.
Configuration options: [All Errors] [No Error] [All but Keyboard] [All but Disk]
[All but Disk/Keyboard]
Installed Memory [XXX MB]
This field automatically displays the amount of conventional memory detected by
the system during the boot process.
2.3.1 Primary and Secondary Master/Slave
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Chapter 2: BIOS Setup
Type [Auto]
Select [Auto] to automatically detect an IDE hard disk drive. If automatic detection
is successful, Setup automatically fills in the correct values for the remaining fields
on this sub-menu. If automatic detection fails, select [User Type HDD] to manually
enter the IDE hard disk drive parameters. Refer to the next section for details.
Before attempting to configure a hard disk drive, make sure you have the correct
configuration information supplied by the drive manufacturer.
[User Type HDD]
Manually enter the number of cylinders, heads and sectors per track for the drive.
Refer to the drive documentation or label for this information.
If no drive is installed or if you are removing a drive and not replacing it, select
[None].
Other options for the Type field are:
[CD-ROM] - for IDE CD-ROM drives
[LS-120] - for LS-120 compatible floppy disk drives
[ZIP] - for ZIP-compatible disk drives
[MO] - for IDE magneto optical disk drives
[Other ATAPI Device] - for IDE devices not listed here
After making your selections on this sub-menu, press <Esc> key to return to the
Main menu. When the Main menu appears, the hard disk drive field displays the
size for the hard disk drive that you configured.
Translation Method [LBA]
Select the hard disk drive type in this field. When Logical Block Addressing (LBA)
is enabled, the 28-bit addressing of the hard drive is used without regard for
cylinders, heads, or sectors. Note that LBA Mode is necessary for drives with more
than 504MB storage capacity. Configuration options: [LBA] [LARGE] [Normal]
[Match Partition Table] [Manual]
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Cylinders
This field configures the number of cylinders. Refer to the drive documentation to
determine the correct value. To make changes to this field, set the Type field to
[User Type HDD] and the Translation Method field to [Manual].
Head
This field configures the number of read/write heads. Refer to the drive
documentation to determine the correct value. To make changes to this field, set
the Type field to [User Type HDD] and the Translation Method field to [Manual].
Sector
This field configures the number of sectors per track. Refer to the drive
documentation to determine the correct value. To make changes to this field, set
the Type field to [User Type HDD] and the Translation Method field to [Manual].
CHS Capacity
This field shows the drive’s maximum CHS capacity as calculated by the BIOS
based on the drive information you entered.
Maximum LBA Capacity
This field shows the drive’s maximum LBA capacity as calculated by the BIOS
based on the drive information you entered.
Multi-Sector Transfers [Maximum]
This option automatically sets the number of sectors per block to the highest
number that the drive supports. Note that when this field is automatically
configured, the set value may not always be the fastest value for the drive. You
may also manually configure this field. Refer to the documentation that came with
the hard drive to determine the optimum value and set it manually. To make
changes to this field, set the Type field to [User Type HDD]. Configuration options:
[Disabled] [2 Sectors] [4 Sectors] [8 Sectors] [16 Sectors] [32 Sectors] [Maximum]
SMART Monitoring [Disabled]
This field allows you to enable or disable the S.M.A.R.T. (Self-Monitoring, Analysis
and Reporting Technology) system that utilizes internal hard disk drive monitoring
technology. This parameter is normally disabled because the resources used in the
SMART monitoring feature may decrease system performance.
Configuration options: [Disabled] [Enabled]
PIO Mode [4]
This option lets you set a PIO (Programmed Input/Output) mode for the IDE
device. Modes 0 through 4 provide successive increase in performance.
Configuration options: [0] [1] [2] [3] [4]
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Chapter 2: BIOS Setup
Ultra DMA Mode [Disabled]
Ultra DMA capability allows improved transfer speeds and data integrity for
compatible IDE devices. Set to [Disabled] to suppress Ultra DMA capability. To
make changes to this field, set the Type field to [User Type HDD].
Configuration options: [0] [1] [2] [3] [4] [5] [Disabled]
2.3.2 Keyboard Features
Boot Up NumLock Status [On]
This field enables users to activate the Number Lock function upon system boot.
Configuration options: [Off] [On]
Keyboard Auto-Repeat Rate [12/Sec]
This controls the speed at which the system registers repeated keystrokes.
Options range from 6 to 30 characters per second. Configuration options: [6/Sec]
[8/Sec] [10/Sec] [12/Sec] [15/Sec] [20/Sec] [24/Sec] [30/Sec]
Keyboard Auto-Repeat Delay [1/4 Sec]
This field sets the time interval for displaying the first and second characters.
Configuration options: [1/4 Sec] [1/2 Sec] [3/4 Sec] [1 Sec]
2.4
Advanced Menu
CPU Speed [Manual]
This field allows you to select the internal frequency of the CPU. Select [Manual] if
you want to make changes to the two subsequent fields. Note that selecting a
frequency higher than the CPU manufacturer recommends may cause the system
to hang or crash.
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CPU Frequency Multiple
When using an unlocked CPU and when the CPU Speed is set to [Manual], this
field sets the frequency multiple between the CPU’s internal frequency (CPU
speed) and external frequency. Set this field in conjunction with CPU Frequency
(MHz) to match the speed of the CPU.
CPU External Frequency (MHz) (when CPU Speed is set to [Manual])
This feature tells the clock generator what frequency to send to the system bus
and PCI bus. The bus frequency (external frequency) multiplied by the bus multiple
equals the CPU speed.
Memory Frequency [Auto]
This field determines whether the memory clock frequency is set to be in
synchronous or asynchronous mode with respect to the system frequency. The
options that appear in the popup menu vary according to the CPU Frequency [MHz].
Configuration options: [Auto] [200MHz] [266MHz] [333MHz] [400MHz]
CPU VCore Setting [Auto]
The [Manual] setting allows you to manually select the core voltage supplied to the
CPU (see next item). However, it is recommended that you keep the default setting
[Auto] to allow the system to automatically determine the appropriate CPU core
voltage. Configuration options: [Auto] [Manual]
CPU VCore [1.xxxV]
When the CPU VCore Setting parameter above is set to [Manual], the CPU VCore
item allows you to select a specific CPU core voltage. This field is not accessible
when the CPU VCore Setting is set to [Auto].
DDR Voltage Adjustment [Auto]
This item controls the DDR operating voltage.
Configuration options: [2.5V] [2.6V] [2.7V] [Auto]
CPU Level 2 Cache [Enabled]
This field allows you to choose from the default [Enabled] or choose [Disabled] to
turn on or off the CPU Level 2 built-in cache.
Configuration options: [Disabled] [Enabled]
BIOS Update [Enabled]
This field functions as an update loader integrated into the BIOS to supply the
processor with the required data. When set to [Enabled], the BIOS loads the
update on all processors during system bootup.
Configuration options: [Disabled] [Enabled]
PS/2 Mouse Function Control [Auto]
The default setting [Auto] allows the system to detect a PS/2 mouse at startup. If a
mouse is detected, the BIOS assigns IRQ12 to the PS/2 mouse. Otherwise, IRQ12
can be used for expansion cards.
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Chapter 2: BIOS Setup
When you set this field to [Enabled], BIOS reserves IRQ12, whether or not a PS/2
mouse is detected at startup. Configuration options: [Enabled] [Auto]
USB Legacy Support [Auto]
This motherboard supports Universal Serial Bus (USB) devices. The default of
[Auto] allows the system to detect a USB device at startup. If detected, the USB
controller legacy mode is enabled. If not detected, the USB controller legacy mode
is disabled. When you set this field to [Disabled], the USB controller legacy mode
is disabled whether or not you are using a USB device.
Configuration options: [Disabled] [Enabled] [Auto]
OS/2 Onboard Memory > 64M [Disabled]
When using OS/2 operating systems with installed DRAM of greater than 64MB,
you need to set this option to [Enabled]. Otherwise, leave to the default setting
[Disabled]. Configuration options: [Disabled] [Enabled]
Instant Music [Disabled]
This item allows you to enable or disable the Instant Music feature. See Chapter 3
for more information using this feature. Configuration options: [Disabled] [Enabled]
The Power-Up by PS/2 keyboard feature will not function when Instant Music is
set to [Enabled] and will function only when Instant Music is set to [Disabled].
Instant Music CDROM
This item displays the detected CD-ROM installed in the system.
The Instant Music items does not appear if an optical drive is not installed in
your system.
2.4.1 Chip Configuration
SDRAM Configuration [By SPD]
This parameter allows you to set the optimal timings for items 2–5, depending on
the memory modules that you are using. The default setting is [By SPD], which
configures items 2–5 by reading the contents in the SPD (Serial Presence Detect)
device.
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2-15
The EEPROM on the memory module stores critical information about the module,
such as memory type, size, speed, voltage interface, and module banks.
Configuration options: [User Define] [By SPD]
The SDRAM parameters (items 2~5) become configurable only when you set
the SDRAM Configuration to [User Define].
SDRAM CAS Latency (value depends on SDRAM SPD)
This item controls the latency between the SDRAM read command and the time
the data actually becomes available. Configuration options: [2.5T] [2T] [1.5T] [3T]
SDRAM RAS to CAS Delay (value depends on SDRAM SPD)
This item controls the latency between the DDR SDRAM active command and the
read/write command. Configuration options: [3T] [2T] [4T]
SDRAM RAS Precharge Time (value depends on SDRAM SPD)
This item controls the idle clocks after issuing a precharge command to the DDR
SDRAM. Configuration options: [3T] [2T] [4T]
SDRAM RAS Active Time (value depends on SDRAM SPD)
This item controls the number of DDR SDRAM clocks used for DDR SDRAM
parameters. Configuration options: [6T] [7T] [5T] [9T]
Chipset Clock Mode [Synchronous]
This item sets the chipset clock mode.
Configuration Options: [Synchronous] [Asynchronous]
SDRAM Command Lead-off Time [Auto]
Configuration options: [Auto] [2T] [1T]
Graphics Aperture Size [64MB]
This feature allows you to select the size of mapped memory for AGP graphic data.
Configuration options: [4MB] [8MB] [16MB] [32MB] [64MB] [128MB] [256MB]
AGP Capability [8X Mode]
This motherboard supports the AGP 8X interface that transfers video data at
2.12GB/s. The configuration options vary depending on the speed of AGP card
installed. If an AGP 4X card is installed, configuration options will be [4X Mode].
The setting [8X Mode] will be the default if an AGP 8X card is installed. AGP 8X is
backward-compatible so you may keep the [4X Mode] setting, however the AGP
interface will only provide a peak data throughput of 1066MB/s even if you are
using an AGP 8X card.
AGP Fast Write Capability [Enabled]
This field enables or disables the AGP 4x Fast Write Capability feature.
Configuration options: [Disabled] [Enabled]
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Chapter 2: BIOS Setup
Video Memory Cache Mode [UC]
USWC (uncacheable, speculative write combining) is a new cache technology for
the video memory of the processor. It can greatly improve the display speed by
caching the display data. You must set this to UC (uncacheable) if your display
card does not support this feature, otherwise the system may not boot.
Configuration options: [UC] [USWC]
Delay Transaction [Enabled]
This field enables or disables the PCI delay transaction function.
Configuration options: [Disabled] [Enabled]
Onboard PCI IDE Enable [Both]
This field allows you to enable either the primary IDE channel or secondary IDE
channel, or both. You can also set both channels to [Disabled].
Configuration options: [Both] [Primary] [Secondary] [Disabled]
IDE Bus Master Support [Enabled]
This item controls the IDE Bus Master support for non-Windows operating
systems. Configuration options: [Disabled] [Enabled]
2.4.2 I/O Device Configuration
Floppy Disk Access Control [R/W]
When set to [Read Only], this parameter protects files from being copied to floppy
disks by allowing reads from, but not writes to, the floppy disk drive. The default
setting [R/W] allows both reads and writes. Configuration options: [R/W] [Read Only]
Onboard Serial Port 1 [3F8H/IRQ4]
This field allows you to set the addresses for the onboard serial connectors.
Configuration options: [3F8H/IRQ4] [2F8H/IRQ3] [3E8H/IRQ4] [2E8H/IRQ10]
[Disabled]
Onboard Parallel Port [378H/IRQ7]
This field allows you to set the address of the onboard parallel port connector. If
you disable this field, the Parallel Port Mode and ECP DMA Select configurations
are not available. Configuration options: [Disabled] [378H/IRQ7] [278H/IRQ5]
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2-17
Parallel Port Mode [ECP+EPP]
This field allows you to set the operation mode of the parallel port. [Normal] allows
normal-speed operation but in one direction only; [EPP] allows bidirectional parallel
port operation; [ECP] allows the parallel port to operate in bidirectional DMA mode;
[ECP+EPP] allows normal speed operation in a two-way mode.
Configuration options: [Normal] [EPP] [ECP] [ECP+EPP]
ECP DMA Select [3]
This field allows you to configure the parallel port DMA channel for the selected
ECP mode. This selection is available only if you select [ECP] or [ECP+EPP] in
Parallel Port Mode above. Configuration options: [1] [3]
Onboard Game Port [200H-207H]
This field sets the I/O address for the game port.
Configuration options: [Disabled] [200H-207H] [208H-20FH]
Onboard MIDI I/O [Disabled]
This field sets the I/O address for the MIDI I/O port.
Configuration options: [Disabled] [330H-331H] [300H-301H]
2.4.3 PCI Configuration
Slot 1/5, Slot 2, Slot 3, Slot 4 IRQ [Auto]
These fields automatically assign the IRQ for each PCI slot. The default setting for
each field is [Auto], which utilizes auto-routing to determine IRQ assignments.
Configuration options: [Auto] [NA] [3] [4] [5] [7] [9] [10] [11] [12] [14] [15]
PCI/VGA Palette Snoop [Disabled]
Some non-standard VGA cards, like graphics accelerators or MPEG video cards,
may not show colors properly. Setting this field to [Enabled] corrects this problem.
If you are using standard VGA cards, leave this field to the default setting
[Disabled]. Configuration options: [Disabled] [Enabled]
PCI Latency Timer [32]
Leave this field to the default setting [32] for best performance and stability.
Primary VGA BIOS [PCI VGA Card]
This field allows you to select the primary graphics card.
Configuration options: [PCI VGA Card] [AGP VGA Card]
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Chapter 2: BIOS Setup
USB Function [Enabled]
This field allows you to enable or disable the USB function.
Configuration options: [Disabled] [Enabled]
USB 2.0 Function [Enabled]
This field allows you to enable or disable the USB 2.0 function.
Configuration options: [Disabled] [Enabled]
Onboard PCI Devices Control
Onboard LAN [Enabled]
This field allows you enable or disable the onboard LAN.
Configuration options: [Disabled] [Enabled]
Onboard LAN Boot ROM [Disable]
This field allows you enable or disable the onboard LAN Boot ROM.
Configuration options: [Disabled] [Enabled]
Onboard AC97 Audio Controller [Auto]
This field allows you to disable the onboard AC97 audio controller or set to the
default [Auto] for optimum performance. Configuration options: [Disabled] [Auto]
PCI IRQ Resource Exclusion
IRQ XX Reserved [No/ICU]
These fields indicate whether or not the displayed IRQ for each field is being used
by a legacy device. The setting [No/ICU] for an IRQ field indicates that this
particular IRQ is NOT required by a legacy device. Set the IRQ field to [Yes] if you
install a legacy device that requires a unique IRQ.
Configuration options: [No/ICU] [Yes]
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2-19
2.5
Power Menu
The Power menu allows you to reduce power consumption. This feature turns off
the video display and shuts down the hard disk after a period of inactivity.
Power Management [User Defined]
This field allows you to activate or deactivate the automatic power saving features.
When set to [Disabled], the power management features do not function
regardless of the other settings on this menu. The [User Defined] option allows you
to set the period of inactivity before the system enters suspend mode. Refer to
“Suspend Mode” item.
When set to [Max Saving], system power is conserved to its greatest amount. This
setting automatically puts the system into suspend mode after a brief period of
system inactivity. [Min Saving] allows the least power saving as the system enters
suspend mode only after a long period of inactivity.
Configuration options: [User Defined] [Disabled] [Min Saving] [Max Saving]
Video Off Option [Suspend -> Off ]
This field determines when to activate the video off feature for monitor power
management. Configuration options: [Always On] [Suspend -> Off]
Video Off Method [DPMS OFF]
This field defines the video off features. The Display Power Management System
(DPMS) feature allows the BIOS to control the video display card if it supports the
DPMS feature. [Blank Screen] only blanks the screen. Use this for monitors without
power management or “green” features. [V/H SYNC+Blank] blanks the screen and
turns off vertical and horizontal scanning.
Configuration options: [Blank Screen] [V/H SYNC+Blank] [DPMS Standby]
[DPMS Suspend] [DPMS OFF] [DPMS Reduce ON]
HDD Power Down [Disabled]
Shuts down any IDE hard disk drives in the system after a period of inactivity as
set in this user-configurable field. This feature does not affect SCSI hard drives.
Configuration options: [Disabled] [1 Min] [2 Min] [3 Min]...[15 Min]
ACPI Suspend To RAM [Disabled]
This field allows you to enable or disable the ACPI Suspend-to-RAM feature. To
support this feature, the +5VSB of the power supply should have the capacity to
provide more than 720mA current. Configuration options: [Disabled] [Enabled]
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Chapter 2: BIOS Setup
Suspend Mode [Disabled]
Sets the time period before the system goes into suspend mode. Configuration
options: [Disabled] [1~2 Min] [2~3 Min] [4~5 Min] [8~9 Min] [20 Min] [30 Min]
PWR Button <4 Secs [Soft Off]
When set to [Soft off], the ATX switch can be used as a normal system power-off
button when pressed for less than 4 seconds. [Suspend] allows the button to have
a dual function where pressing less than 4 seconds puts the system in sleep mode.
Regardless of the setting, holding the ATX switch for more than 4 seconds powers
off the system. Configuration options: [Soft off] [Suspend]
2.5.1 Power Up Control
AC Power Loss Restart [Disabled]
This allows you to set whether or not to reboot the system after power
interruptions. [Disabled] leaves your system off while [Enabled] reboots the
system. [Previous State] sets the system back to the state it was before the power
interruption. Configuration options: [Disabled] [Enabled] [Previous State]
Wake/Power Up On Ext. Modem [Disabled]
This allows either settings of [Enabled] or [Disabled] for powering up the computer
when the external modem receives a call while the computer is in Soft-off mode.
Configuration options: [Disabl ed] [Enabled]
The computer cannot receive or transmit data until the computer and
applications are fully running. Thus, connection cannot be made on the first try.
Turning an external modem off and then back on while the computer is off
causes an initialization string that turns the system power on.
Power Up On PCI Device [Disabled]
When set to [Enabled], this parameter allows you to turn on the system through a
PCI LAN or modem card. This feature requires an ATX power supply that provides
at least 1A on the +5VSB lead. Configuration options: [Disabled] [Enabled]
Power On By PS/2 Keyboard [Disabled]
This parameter allows you to use specific keys on the keyboard to turn on the
system. This feature requires an ATX power supply that provides at least 1A on the
+5VSB lead. Configuration options: [Disabled] [Space Bar] [Ctrl-Esc] [Power Key]
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2-21
Automatic Power Up [Disabled]
This allows an unattended or automatic system power up. You may configure your
system to power up at a certain time of the day by selecting [Everyday] or at a
certain time and day by selecting [By Date].
Configuration options: [Disabled] [Everyday] [By Date]
2.5.2 Hardware Monitor
MB Temperature [xxxC/xxxF]
CPU Temperature [xxxC/xxxF]
The onboard hardware monitor automatically detects and displays the motherboard
and CPU temperatures. Select [Ignore] to disable the MB or CPU temperature
auto-detect function.
CPU Fan Speed [xxxxRPM] or [N/A]
Chassis Fan Speed [xxxxRPM] or [N/A]
The onboard hardware monitor automatically detects and displays the CPU,
chassis, and power fan speeds in rotations per minute (RPM). If any of the fans is
not connected to the motherboard, the specific field shows N/A.
VCORE Voltage, +3.3V Voltage, +5V Voltage, +12V Voltage
The onboard hardware monitor automatically detects the voltage output through
the onboard voltage regulators.
If any of the monitored items is out of range, the following error message
appears: “Hardware Monitor found an error. Enter Power setup menu for
details”. And be prompted to “Press F1 to continue or DEL to enter SETUP”.
2.6
Boot Menu
Allows you to change the system boot options.
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Chapter 2: BIOS Setup
Removable Device [Legacy Floppy]
Configuration options: [Disabled] [Legacy Floppy] [LS-120] [ZIP] [ATAPIMO]
[USB FDD] [USB ZIP]
IDE Hard Drive
This field allows you to select which IDE hard disk drive to use in the boot
sequence. Pressing [Enter] will show the product IDs of all connected IDE HDDs.
ATAPI CD-ROM
This field allows you to select which ATAPI CD-ROM drive to use in the boot
sequence. Pressing [Enter] will show the product IDs of all your connected ATAPI
CD-ROM drives.
Other Boot Device Select [INT18 Device (Network)]
Configuration options: [Disabled] [SCSI Boot Device] [INT18 Device (Network)]
Plug & Play O/S [No]
This field allows you to use a Plug-and-Play (PnP) to configure the PCI bus slots
instead of using the BIOS. When [Yes] is selected, interrupts may be reassigned
by the OS. If you installed a non-PnP OS or if you want to prevent reassigning of
interrupt settings, keep the default setting [No]. Configuration options: [No] [Yes]
Boot Virus Detection [Enabled]
This field allows you to set boot virus detection, ensuring a virus-free boot sector.
The system halts and displays a warning message when it detects a virus. If this
occurs, you can either allow the operation to continue or use a virus-free bootable
floppy disk to restart your system. Configuration options: [Disabled] [Enabled]
Quick Power On Self Test [Enabled]
This field speeds up the Power-On-Self Test (POST) routine by skipping retesting a
second, third, and fourth time. Configuration options: [Disabled] [Enabled]
Boot Up Floppy Seek [Enabled]
When enabled, the BIOS will seek the floppy disk drive to determine whether the
drive has 40 or 80 tracks. Configuration options: [Disabled] [Enabled]
Interrupt Mode [APIC]
The Advanced Programmable Interrupt Controller (APIC) setting allows you to
distribute interrupt routings other than the 16 IRQs. The Programmable Interrupt
Controller (PIC) setting allows you to use the 16 IRQs only.
Configuration options: [PIC] [APIC]
Hyper-Threading Technology [Enabled]
This item allows you to enable or disable the processor Hyper-Threading
Technology. Configuration options: [Disabled] [Enabled]
The item Hyper-Threading Technology appears only if you installed an Intel®
Pentium® 4 CPU that supports this feature.
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2-23
2.7
Exit Menu
When you have made all of your selections from the various menus in the Setup
program, save your changes and exit Setup. Select Exit from the menu bar to display
the following menu.
Pressing <Esc> does not immediately exit this menu. Select one of the options
from this menu or <F10> from the legend bar to exit.
Exit & Save Changes
Once you are finished making your selections, choose this option from the Exit
menu to ensure the values you selected are saved to the CMOS RAM. The CMOS
RAM is sustained by an onboard backup battery and stays on even when the PC is
turned off. When you select this option, a confirmation window appears. Select
[Yes] to save changes and exit.
If you attempt to exit the Setup program without saving your changes, the
program prompts you with a message asking if you want to save your changes
before exiting. Pressing <Enter> saves the changes while exiting.
Exit & Discard Changes
Select this option only if you do not want to save the changes that you made to the
Setup program. If you made changes to fields other than system date, system time,
and password, the BIOS asks for a confirmation before exiting.
Load Setup Defaults
This option allows you to load the default values for each of the parameters on the
Setup menus. When you select this option or if you press <F5>, a confirmation window
appears. Select [Yes] to load default values. Select Exit Saving Changes or make
other changes before saving the values to the non-volatile RAM.
Discard Changes
This option allows you to discard the selections you made and restore the previously
saved values. After selecting this option, a confirmation appears. Select [Yes] to
discard any changes and load the previously saved values.
Save Changes
This option saves your selections without exiting the Setup program. You can then
return to other menus and make further changes. After you select this option, a
confirmation window appears. Select [Yes] to save changes to the non-volatile RAM.
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Chapter 2: BIOS Setup
Chapter 3
This chapter describes the contents of the
support CD that comes with the motherboard
package.
Software support
3.1
Install an operating system
This motherboard supports Windows® 98SE/ME/2000/XP operating system (OS).
Always install the latest OS version and corresponding updates to maximize the
features of your hardware.
Motherboard settings and hardware options vary, so use the setup procedures
presented in this chapter for general reference only. Refer to your OS
documentation for more information.
3.2
Support CD information
The support CD that came with the motherboard contains useful software and
several utility drivers that enhance the motherboard features.
The contents of the support CD are subject to change at any time without
notice. Visit the ASUS website for updates.
3.2.1 Running the support CD
To begin using the support CD, simply insert the CD into your CD-ROM drive. The
CD automatically displays the Drivers menu if Autorun is enabled in your
computer. Click on an item to install.
Click an item to install
Click an icon to display
more information
If Autorun is NOT enabled in your computer, browse the contents of the
support CD to locate the file ASSETUP.EXE from the BIN folder. Double-click
the ASSETUP.EXE to run the CD.
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Chapter 3: Software support
3.2.2 Drivers menu
The drivers menu shows the available device drivers if the system detects installed
devices. Install the necessary drivers to activate the devices.
SiS Mini IDE Driver
Installs the SiS® Mini IDE driver.
SiS AGP Driver
Installs the SiS® Accelerated Graphics Port (AGP) driver.
SoundMAX Audio Driver and Application
Installs the SoundMAX™ Audio driver and software applications.
SiS PCI LAN Driver
Installs the SiS® Fast Ethernet network driver.
USB 2.0 Driver
Installs the USB 2.0 driver.
•
•
•
The USB 2.0 driver is only supported in Windows® 2000.
Windows® XP users must install USB 2.0 driver with Windows® XP SP1
This motherboard does not support USB 2.0 drivers under Windows® 98SE
or Windows® ME. However, a utility is provided in support CD to remove “!”
(device conflict symbol) in Device Manager list.
3.2.3 Utilities menu
The Utilities menu shows the applications and other software that the motherboard
supports.
ASUS PC Probe
This smart utility monitors the fan speed, CPU temperature, and system voltages,
and alerts you on any detected problems. This utility helps you keep your computer
at a healthy operating condition.
ASUS P4S800-X motherboard
3-3
ASUS Update
This program allows you to download the latest version of the BIOS from the ASUS
website. Before using the ASUS Update, make sure that you have an Internet
connection so you can connect to the ASUS website.
PC-CILLIN
Installs the TrendMicro™ PC-cillin™ anti-virus program. View the PC-cillin™ online
help for detailed information.
Acrobat Reader
Installs the Adobe Acrobat® Reader® V5.0. The Acrobat® Reader® software is for
viewing files saved in Portable Document Format (PDF).
ASUS Screen Saver
Installs the ASUS screen saver.
3.2.4 ASUS Contact Information
Clicking the ASUS Contact Information tab displays as stated. You may also find
this information on the inside front cover of this user guide.
3-4
Chapter 3: Software support
3.3
ASUS Instant Music Lite
The motherboard is equipped with a BIOS-based audio playback feature called
Instant Music Lite. This feature is supported by the onboard audio AC’97
CODEC, and requires an optical drive (CD-ROM, DVD-ROM, or CD-RW).
1.
2.
3.
Instant Music Lite only supports CDs in audio format.
Instant Music Lite does not work if you installed and enabled an add-on
sound card.
Instant Music Lite only supports PS/2 keyboard.
To enable ASUS Instant Music Lite:
1. Connect the analog audio cable from the optical drive (CD-ROM, DVD-ROM,
or CD-RW drive) to the 4-pin CD-In connector (labeled CD1) on the
motherboard. See section “1.10 Connectors” for the connector location.
Make sure to connect the CD-ROM audio cable. Otherwise, you cannot control
the audio volume using the Instant Music Lite function keys.
2. Turn on the system and enter BIOS by pressing the Delete key during the
Power On Self-Tests (POST).
3. In the Advanced Configuration menu, select the item Instant Music and set
it to Enabled. See section “2.4 Advanced Menu” in the user guide.
4. Highlight the Instant Music CDROM item and press Enter to display the
CD-ROM options. Select the CD-ROM drive that you wish to use for this
feature. See section “2.4 Advanced Menu” in the user guide.
If you have only one optical drive (either CD-ROM, DVD-ROM, or CD-RW)
installed in the system, you don’t have to set Instant Music CDROM item. BIOS
automatically detects and displays the installed drive type.
5. Save your changes and exit BIOS Setup.
1.
2.
3.
4.
The Scroll Lock LED is fixed to ON after enabling Instant Music.
The Caps Lock LED is turns ON when you pause the CD playback.
When set to Instant Music Lite mode, the system wake-up features (LAN,
keyboard, mouse, USB) are deactivated. In this case, power up the system
using the power switch.
If the system lost connection or did not detect any optical drive, the Instant
Music Lite feature turns OFF (disabled) automatically. A “beep” indicates
this condition.
ASUS P4S800-X motherboard
3-5
To use ASUS Instant Music Lite:
1. Ensure that the power cord is plugged to a grounded power source, so that the
system has a standby power.
2. Use either one of the two sets of special function keys on your keyboard to
play audio CDs. These keys only function as indicated if you enabled the
Instant Music Lite in BIOS.
Instant Music function keys (Set 1)
CD
ON/OFF
PLAY/PAUSE
Esc
F1
STOP/EJECT
PREVIOUS
NEXT
F3
F4
F2
VOL. DOWN
F5
VOL. UP
F6
F7
F8
Instant Music function keys (Set 2)
CAPS
LOCK
LED
CD ON/OFF
PLAY/PAUSE
STOP/EJECT
PREVIOUS
VOL. DOWN
SCROLL
LOCK
LED
NEXT
VOL. UP
3. Connect speakers or a headphone to the Line Out (lime colored) port on the
rear panel for audio output. You may also connect a headphone to the
headphone jack on the CD-ROM drive front panel.
4. Press Esc to turn ON Instant Music Lite.
5. Place an audio CD into the drive.
6. Press F1 or the Space Bar to play the first track on the CD.
If there is no CD on the drive and you press F1 or Space Bar, the drive tray
ejects.
7. Refer to the Instant Music function key definitions on the illustrations above to
select other tracks or control the volume.
8. Press F2 or Enter once to stop playing the CD.
Press F2 or Enter one more time to eject the CD.
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Chapter 3: Software support