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.
This device complies with FCC Rules Part 15. Operation is subject to the
following two conditions:
•This device may not cause harmful interference, and
•This device must accept any interference received including interference
that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits
are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate
radio frequency energy and, if not installed and used in accordance with
manufacturer’s instructions, may cause harmful interference to radio
communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
•Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment to an outlet on a circuit different from that to
which the receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
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.
vi
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
•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.
•A void 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.
vii
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 guide.
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.
Where to find more information
Refer to the following sources for additional information and for product
and software updates.
1.ASUS websites
The ASUS websites worldwide provide updated information on ASUS
hardware and software products. Refer to the ASUS contact
information.
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.
viii
P4R800-VM specification summary*
CPU
Chipset
Front Side Bus (FSB)
Memory
Expansion slots
VGA
Storage
Audio
LAN
Hardware monitoring
®
Socket 478 for Intel
Intel® Hyper-Threading technology ready
New power design for next generation Intel® Prescott CPU
ATI RADEON™ 9100 IGP
ATI IXP200
800/533/400 MHz
4 x 184-pin DDR DIMM sockets for up to 4GB memory
ATI Radeon™ 9200 integrated graphics
2 x UltraATA100/66, PIO Mode 0 ~ 4
ADI AD1888 6-channel audio CODEC
IXP200 built in 3Com MAC with Realtek 8201BL/CL LAN PHY
Super I/O integrated monitoring of CPU/chassis fan rotation
and MB/CPU temperature
Pentium® 4 Northwood processor
(*Supports one single-sided PC3200 [DDR400] DIMM
Special features
Rear panel I/O
Digital audio via an S/PDIF out inteface
TV out support
ASUS MyLogo2
ASUS EZ Flash
ASUS Q-Fan Technology
ASUS CrashFree BIOS2
1 x Parallel port
1 x VGA port
1 x S/PDIF port
1 x PS/2 keyboard port
1 x PS/2 mouse port
4 x USB 2.0/USB 1.1 ports
1 x RJ-45 port
Line In/Line Out/Microphone ports
(continued on the next page)
ix
P4R800-VM specification summary*
Internal I/O
BIOS features
Industry standard
Manageability
Form Factor
Support CD contents
1 x USB 2.0/1.1 connector for 2 additional USB ports
CPU and chassis fan connectors
20-pin/4-pin ATX 12V power connectors
CD/AUX audio connectors
Front panel audio connector
Panel connectors
COM connector
TV-out connector
Power LED connector**
4Mb Flash EEPROM, AMI BIOS with enhanced ACPI, DMI,
Green,PnP features, SM BIOS2.3, ASUS CrashFree BIOS2,
ASUS MyLogo2, and ASUS EZ Flash
PCI 2.2, USB 2.0/1.1
WOL by PME, Wake on USB KB/Mouse
Micro-ATX form factor: 9.6 in x 9.6 in (24.5 cm x 24.5 cm)
Device drivers
ASUS PC Probe
ASUS LiveUpdate
ASUS Screensaver
Adobe Acrobat Reader
Trend Micro™ PC-cillin 2002 anti-virus software
Microsoft
®
DirectX 8.1
* Specifications are subject to change without notice.
** Present only on PCB version 1.03 or later.
x
Chapter 1
This chapter describes the features of this
motherboard. It includes brief descriptions of the
motherboard components, and illustrations of the
layout, jumper settings, and connectors.
Product introduction
1.1Welcome!
Thank you for buying the ASUS® P4R800-VM motherboard!
The ASUS
technologies making it another standout in the long line of ASUS quality
motherboards!
Before you start installing the motherboard, and hardware devices on it, check the
items in your package with the list below.
P4R800-VM motherboard delivers a host of new features and latest
1.2Package contents
Check your P4R800-VM package for the following items.
ASUS P4R800-VM motherboard
Micro-ATX form factor: 9.6 in x 9.6 in (24.5 cm x 24.5 cm)
ASUS P4R800-VM series support CD
Serial (COM) port module and cable
80-conductor UltraATA 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.
1.3Special features
Intel® 800MHz FSB CPU support
The P4R800-VM comes with a 478-pin surface mount, Zero Insertion Force (ZIF)
socket for the Intel® Pentium® 4 Northwood/Willamette processor in the 478-pin
package with 512/256KB L2 cache on 0.13 micron process. This motherboard
supports 800/533/400 MHz system front side bus that allows 6.4GB/s, 4.3GB/s and
3.2GB/s data transfer rates, respectively. The P4R800-VM also supports the Intel
Hyper-Threading Technology and the next-generation Intel® Prescott CPU.
See page 1-8.
®
ATi RADEON 9100 IGP/IXP200 chipset
The embedded RADEON™ 9100 Integrated Graphics Processor (IGP) northbridge
and the IXP200 southbridge chipset control all interfaces to ensure an efficient and
reliable computing performance. See page 2-15 and 2-16.
1-2
Chapter 1: Product introduction
The RADEON™ 9100 IGP provides processor interface with 800/533/400 MHz
frequency, system memory interface at 400/333/266/200MHz operation, and 1.5V
AGP interface that supports AGP 8X specification.
The IXP 200 (SB200) is a subsystem that integrates various I/O functions including
dual-channel ATA100 bus master IDE controller, up to six USB 2.0/1.1 ports, I/O
APIC interrupt and Ethernet controllers, and LPC, AC’97 2.2 interfaces, Ethernet
controller, and PCI 2.2 interface. The proprietary A-Link interface connects the IXP
200 with the RADEON™ IGP at up to 266MB/s data transfer rate.
Dual channel DDR400 memory support
The P4R800-VM supports a single or dual memory architecture for up to 4GB
system memory. Four (4) 184-pin DIMM sockets are available for installation of
unbuffered non-ECC PC3200/2700/2100/1600 DDR DIMMs. See page 1-10.
ATi RADEON 9200-based GPU
Integrated in the IGP chipset is the ATI RADEON™ 9200-based 2D/3D graphics
engine with maximum 128MB shared display memory. The integrated graphics
also supports TV out function through a separate TV out module (AV/S). The
RADEON 9200-based GPU achieves a maximum resolution of 2048x1536 at
32bpp. See page 1-20.
Integrated 3Com 10/100 Mbps LAN MAC
The integrated 3Com MAC in the IXP 200 southbridge works with the onboard
Realtek 8201BL/CL LAN PHY to fully support 10BASE-T/ 100BASE-TX Ethernet
networking. See page 1-17.
SoundMAX digital audio system
The SoundMax Digital Audio System is the industry’s highest 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. See page 1-17.
USB 2.0 connectivity
The P4R800-VM rear panel comes with four (4) Universal Serial Bus (USB) ports
to connect USB 2.0 devices. A USB header is also available at mid-board to
accommodate a USB module for two (2) additional USB ports. The USB ports and
header comply with USB 2.0 specification that supports up to 480 Mbps connection
speed. This speed advantage over the conventional USB 1.1 (12 Mbps) allows
faster Internet connection, interactive gaming, and simultaneous running of
high-speed peripherals. USB 2.0 is backward compatible with USB 1.1.
See pages 1-17 and 1-21.
ASUS P4R800-VM motherboard user guide
1-3
CrashFree BIOS2
This feature allows you to restore the original BIOS data from the support CD, or
from a bootable floppy disk, when the BIOS codes and data are corrupted. This
protection eliminates the need to buy a replacement ROM chip. See page 2-6.
ASUS Q-Fan technology
The ASUS Q-Fan technology smartly adjusts the fan speeds according to the
system loading to ensure quiet, cool, and efficient operation. See page 2-21.
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 2-5.
ASUS MyLogo2
This new feature present in the motherboard allows you to personalize and add
style to your system with customizable boot logos. The ASUS MyLogo2 is
automatically installed when you install the ASUS Update utility from Utilities menu
in the support CD. See page 3-3.
1-4
Chapter 1: Product introduction
1.4Before you proceed
Take note of the following precautions before you install motherboard components
or change any motherboard settings.
1.Unplug the power cord from the wall socket before touching any
component.
2.Use a grounded wrist strap or touch a safely grounded object or to a metal
object, such as the power supply case, before handling components to
avoid damaging them due to static electricity.
3.Hold components by the edges to avoid touching the ICs on them.
4.Whenever you uninstall any component, place it on a grounded antistatic
pad or in the bag that came with the component.
5.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 P4R800-VM comes with a stand-by power LED. When lit, the 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.
P4R800-VM
P4R800-VM Onboard LED
ON
Standby
Power
SB_PWR1
OFF
Powered
Off
ASUS P4R800-VM motherboard user guide
1-5
1.5Motherboard overview
1.5.1Motherboard layout
24.5cm (9.6in)
PS/2KBMS
T: Mouse
B: Keyboard
USB1
USB2
SPDIF_O
VGA1
USB2.0
T: USB3
B: USB4
Top:Line In
Center:Line Out
Below:Mic In
FP_AUDIO1
PARALLEL PORT
Top:
RJ-45
8201BL
CD1
AD1888
CODEC
RTL
KBPWR1
USBPW12
USBPW34
AUX1
Socket 478
ATX12V1
TV-OUT1
CHA_FAN1
P4R800-VM
Accelerated Graphics Port (AGP1)
PCI1
PCI2
PCI3
ATI
RADEON
9100
IGP
USBPW56
CPU_FAN1
IXP200
USB56
DDR DIMM_A1 (64 bit,184-pin module)
ATI
COM1
I/O
Super
(Default)
(Default)
DDR DIMM_A2 (64 bit,184-pin module)
DDR DIMM_B2 (64 bit,184-pin module)
DDR DIMM_B1 (64 bit,184-pin module)
24.5cm (9.6in)
ATX Power Connector
FLOPPY1
(Default)
CLRTC1
CR2032 3V
Lithium Cell
CMOS Power
SEC_IDE1
PRI_IDE1
4Mbit
Firmware
Hub
SB_PWR1
F_PANEL1SPEAK1
PLED1
KBPWR1
2312
+5V+5VSB
USBPW12
+5V
USBPW34
+5V
2321
+5VSB
2321
+5VSB
PLED1
1
NC
PLED-
PLED+
USBPW56
+5V
(Default)
2321
+5VSB
CLRTC1
2
1
NormalClear CMOS
(Default)
3
2
F_PANEL1
Power LED Power Switch
Ground
Power LED+
Power LED-
IDE_LED
IDE LED-
IDE LED+
Power Switch
Reset
Ground
Reset Switch
F_PANEL1
*
Requires an ATX power supply.
1-6
Chapter 1: Product introduction
1.5.2Placement 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.
1.5.3Screw holes
Place eight (8) 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 P4R800-VM motherboard user guide
1-7
1.6Central Processing Unit (CPU)
1.6.1Overview
The Intel® Pentium® 4 processor has a gold triangular mark on one corner. This
mark indicates the processor Pin 1 that should match a specific corner of the CPU
socket.
Gold Arrow
P4R800-VM
P4R800-VM 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.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 Techonology item in BIOS to ensure system
stability and performance.
2.It is recommended that you install WinXP Service Pack 1.
3.Make sure to enable the Hyper-Threading Technology item in BIOS before
installing a supported operating system.
4.For more information on Hyper-Threading Technology , visit www.intel.com/
info/hyperthreading.
1-8
Chapter 1: Product introduction
1.6.2Installing the CPU
Follow these steps to install a CPU.
1.Locate the 478-pin ZIF socket on the motherboard.
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.
90 -100
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.
6.Install a CPU heatsink and fan
following the instructions that came
with the heatsink package.
7.Connect the CPU fan cable to the
CPU_FAN1 connector on the
motherboard.
ASUS P4R800-VM motherboard user guide
1-9
1.7System memory
1.7.1DIMM sockets location
The following figure illustrates the location of the DDR DIMM sockets.
DIMM_A1
DIMM_A2
DIMM_B1
P4R800-VM
P4R800-VM 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 both
the motherboard and the components.
DIMM_B2
80 Pins104 Pins
When installing long AGP cards, it is recommended to install the memory
modules first. Long AGP cards, when installed, may interfere with the memory
sockets.
1.7.2Memory configurations
You may install 64MB, 128MB, 256MB, 512MB, and 1GB DDR DIMMs into the
DIMM sockets using the memory configurations in this section.
Important notes
1.Installing DDR DIMMs other than the recommended configurations may
cause memory sizing error or system boot failure. Use any of the
recommended configurations in Table 1.
2.A three-DIMM configuration is not supported on this motherboard
3.In dual-channel configurations, always install an identical (the same type
and size) DDR DIMM pair on sockets of the same color.
3.Always install DIMMs with the same CAS latency. For optimum
compatibility, it is recommended that you obtain memory modules from the
same vendor.
1-10
Chapter 1: Product introduction
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