Asus P5Q SE2 User Manual

P5Q SE2

Motherboard

E4200

First Edition V1
September 2008

Copyright © 2008 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, modied or altered, unless
such repair, modication 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 identication or explanation and to the
owners’ benet, without intent to infringe.

ii

Contents

Notices ......................................................................................................... vi

Safety information

About this guide

P5Q SE2 specications summary ............................................................. ix

Chapter 1: Product introduction

1.1 Welcome! ...................................................................................... 1-1

1.2 Package contents

1.3 Special features

1.3.1 Product highlights ...........................................................

1.3.2 ASUS unique features ....................................................

1.3.3 ASUS Stylish features .....................................................

1.3.4 ASUS Intelligent Overclocking features ..........................

1.4 Before you proceed

1.5 Motherboard overview

1.5.1 Placement direction ........................................................

1.5.2 Screw holes ....................................................................

1.5.3 Motherboard layout .........................................................

1.5.4 Layout contents ...............................................................

1.6 Central Processing Unit (CPU)

1.6.1 Installing the CPU ...........................................................

1.6.2 Installing the CPU heatsink and fan ..............................

1.6.3 Uninstalling the CPU heatsink and fan ..........................

1.7 System memory

1.7.1 Overview ........................................................................

1.7.2 Memory congurations ..................................................

1.7.3 Installing a DIMM ..........................................................

1.7.4 Removing a DIMM ........................................................

1.8 Expansion slots

1.8.1 Installing an expansion card .........................................

1.8.2 Conguring an expansion card .....................................

1.8.3 PCI slots ........................................................................

1.8.4 PCI Express x1 slots .....................................................

1.8.5 PCI Express x16 slot .....................................................

1.9 Jumpers

..................................................................................... vii

........................................................................................ vii

......................................................................... 1-1

............................................................................ 1-1

..................................................................... 1-4

................................................................. 1-5

................................................... 1-7

......................................................................... 1-11

.......................................................................... 1-16

...................................................................................... 1-17

1-1

1-2

1-3

1-4

1-5

1-5

1-6

1-7

1-8

1-10

1-11

1-11

1-12

1-15

1-16

1-16

1-16

1-17

1-17

1-17

iii

Contents

1.10 Connectors ................................................................................. 1-19

1.10.1 Rear panel connectors ..................................................

1.10.2 Internal connectors .......................................................

1.11 Software support

1.11.1 Installing an operating system ......................................

1.11.2 Support DVD information ..............................................

Chapter 2: BIOS information

2.1 Managing and updating your BIOS ............................................ 2-1

2.1.1 ASUS Update utility ........................................................

2.1.2 Creating a bootable oppy disk .......................................

2.1.3 ASUS EZ Flash 2 utility ...................................................

2.1.4 AFUDOS utility ................................................................

2.1.5 ASUS CrashFree BIOS 3 utility ......................................

2.2 BIOS setup program

2.2.1 BIOS menu screen ..........................................................

2.2.2 Menu bar .........................................................................

2.2.3 Navigation keys ...............................................................

2.2.4 Menu items .....................................................................

2.2.5 Sub-menu items ..............................................................

2.2.6 Conguration elds .........................................................

2.2.7 Pop-up window .............................................................

2.2.8 Scroll bar .......................................................................

2.2.9 General help .................................................................

2.3 Main menu

2.3.1 System Time .................................................................

2.3.2 System Date .................................................................

2.3.3 Legacy Diskette A .........................................................

2.3.4

2.3.5 Storage Conguration ....................................................

2.3.6 System Information .......................................................

2.4 Ai Tweaker menu

2.5 Advanced menu

2.5.1 CPU Conguration ........................................................

2.5.2 Chipset ..........................................................................

2.5.3 Onboard Devices Conguration ....................................

SATA 1-6 .......................................................................................... 2-11

........................................................................ 1-27

.................................................................... 2-7

.................................................................................. 2-10

........................................................................ 2-12

......................................................................... 2-17

1-19

1-20

1-27

1-27

2-1

2-3

2-3

2-4

2-6

2-8

2-9

2-9

2-9

2-9

2-9

2-10

2-10

2-10

2-10

2-10

2-10

2-11

2-12

2-17

2-18

2-18

iv

Contents

2.5.4 USB Conguration ........................................................ 2-19

2.5.5 PCI PnP ........................................................................

2.6 Power menu

2.6.1 Suspend Mode ..............................................................

2.6.2 ACPI 2.0 Support ..........................................................

2.6.3 ACPI APIC Support .......................................................

2.6.4 APM Conguration ........................................................

2.6.5 Hardware Monitor .........................................................

2.7 Boot menu

2.7.1 Boot Device Priority ......................................................

2.7.2 Boot Settings Conguration ..........................................

2.7.3 Security .........................................................................

2.8 Tools menu

2.8.1 ASUS EZ Flash 2 ..........................................................

2.8.2 Express Gate ................................................................

2.8.3 AI NET 2

2.8.4 ASUS O.C. Prole .........................................................

2.9 Exit menu

2-19

................................................................................ 2-20

2-20

2-20

2-20

2-20

2-21

.................................................................................. 2-22

2-22

2-22

2-23

................................................................................. 2-24

2-24

2-24

........................................................................ 2-25

2-25

.................................................................................... 2-26

v

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.

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 modications 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.

This symbol of the crossed out wheeled bin indicates that the product (electrical and
electronic equipment) should not be placed in municipal waste. Check local regulations for
disposal of electronic products.

vi

Safety information

Electrical safety

•

To prevent electric shock hazard, disconnect the power cable from the electric 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 x it by yourself. Contact a qualied 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.

•

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 qualied service

technician or your retailer.

About this guide

This user guide contains the information you need when installing and conguring the

motherboard.

How this guide is organized

This guide contains the following parts:

• Chapter 1: Product introduction

This chapter describes the features of the motherboard and the new technology it
supports.

• Chapter 2: BIOS setup

This chapter tells how to change system settings through the BIOS Setup menus.
Detailed descriptions of the BIOS parameters are also provided.

vii

Where to nd 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. Refer to the ASUS contact information.

2. Optional documentation

Your product package may include optional documentation, such as warranty yers,

that may have been added by your dealer. These documents are not part of the
standard package.

Conventions used in this guide

To make sure that you perform certain tasks properly, take note of the following symbols used
throughout this manual.

DANGER/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: Instructions that you MUST follow to complete a

task.

NOTE: Tips and additional information to help you complete 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 means
that you must press the enclosed key.
Example: <Enter> means that you must press the Enter or
Return key.

<Key1>+<Key2>+<Key3> 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 type the command exactly as shown,
then supply the required item or value enclosed in brackets.
Example: At the DOS prompt, type the command line:
afudos /i[lename]

afudos /iP5QSE2.ROM

viii

P5Q SE2 specications summary

CPU LGA775 Socket for Intel® Core™2 Extreme /Core™2 Quad /

Chipset Intel® P45 / ICH10 with Intel® Fast Memory Access Technology

System bus 1600/1333/1066/800MHz

Memory Dual-channel memory architecture

Expansion slots 1 x PCIe x16 slot

Storage Intel ICH10 southbridge supports:

LAN Realtek® 8111C-VCP, PCIe Gigabit LAN controller

Audio VIA VT1708S, 8-channel High-Denition Audio CODEC

USB 12 x USB 2.0 ports (6 at mid-board, 6 at back panel)

BIOS features 8Mb Flash ROM, AMI BIOS, PnP, DMI 2.0, WfM 2.0,

ASUS unique features ASUS Power Saving Solution:

Core™2 Duo / Pentium® Dual-Core / Celeron® Dual-Core /
Celeron® processors
Compatible with Intel® 05B/05A/06 processors

- 4 x 240-pin DIMM sockets support unbuffered

non-ECC DDR2 1200/1066/800/667MHz memory

modules

- Supports up to 16GB system memory
* Refer to www.asus.com or this user manual for the
Memory QVL (Qualied Vendors Lists)
** When you install a total memory of 4GB or more,
Windows® 32-bit operating system may only recognize
less than 3GB. Hence, a total installed memory of less
than 3GB is recommended if you are using a Windows
32-bit operating system.

2 x PCIe x1 slots
3 x PCI slots

- 6 x Serial ATA 3Gb/s ports
Marvell® 88SE6102 PATA controller supports:

- 1 x UltraDMA 133/100/66 for up to 2 PATA devices

featuring AI NET2

- Supports Jack-detect and Multi-streaming

- Coaxial S/PDIF Out port at back I/O

- ASUS Noise Filter

SM BIOS 2.5, ACPI 2.0a, ASUS EZ Flash 2,
ASUS CrashFree BIOS 3

- ASUS AI Nap
ASUS AI Life Features:

- ASUS Express Gate
ASUS Crystal Sound:

- ASUS Noise Filter
ASUS EZ DIY:

- ASUS O.C. Prole

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 2

(continued on the next page)

ix

P5Q SE2 specications summary

ASUS exclusive
overclocking features

Other features ASUS MyLogo 2

Rear panel ports 1 x PS/2 keyboard port

Internal connectors 3 x USB connectors support 6 additional USB ports

Manageability WfM 2.0, DMI 2.0, WOL by PME, WOR by PME, PXE

Accessories 1 x UltraDMA 133/100/66 cable

Support DVD Drivers

Form factor ATX form factor: 12 in x 7.6 in (30.5 cm x 19.3 cm)

*Specications are subject to change without notice.

Intelligent overclocking tools:

- ASUS AI Booster
Precision Tweaker:

- vCore: Adjustable CPU voltage at 0.00625V increment

- vDIMM: 6-step DRAM voltage control
SFS (Stepless Frequency Selection):

- FSB tuning from 200MHz to 600MHz at 1MHz

increment

- Memory tuning from 667MHz to 1333MHz for DDR2

- PCI Express frequency tuning from 100MHz to
160MHz at 1MHz increment

Overclocking protection:

- ASUS C.P.R. (CPU Parameter Recall)

1 x PS/2 mouse port
1 x Coaxial S/PDIF Out port
1 x LAN (RJ-45) port
6 x USB 2.0/1.1 ports
8-channel audio I/O ports

1 x Floppy disk drive connector
1 x IDE connector
6 x Serial ATA connectors
1 x CPU / 1 x Chassis / 1 x Power fan connectors
1 x COM connector
1 x S/PDIF Out header
1 x Chassis intrusion connector
1 x Front panel audio connector
1 x CD audio in connector
1 x 24-pin ATX power connector
1 x 4-pin ATX 12V power connector
1 x System panel connector

2 x Serial ATA cables
1 x I/O shield
User Manual

* The oppy disk drive (FDD) cable is purchased separately.

AI Suite
ASUS PC Probe II
ASUS Update
Anti-Virus software (OEM version)

x

Chapter 1

Product introduction

1.1 Welcome!

Thank you for buying an ASUS® P5Q SE2 motherboard!
The motherboard delivers a host of new features and latest 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.

1.2 Package contents

Check your motherboard package for the following items.

Motherboard ASUS P5Q SE2 motherboard

Cables 2 x Serial ATA cables

1 x Ultra DMA 133/100/66 cable

Accessories 1 x I/O shield

Application CD ASUS motherboard Support DVD

Documentation User Manual

• If any of the above items is damaged or missing, contact your retailer.

• The oppy disk drive (FDD) cable is purchased separately.

1.3 Special features

1.3.1 Product highlights

Green ASUS

This motherboard and its packaging comply with the European Union’s Restriction on the
use of Hazardous Substances (RoHS). This is in line with the ASUS vision of creating
environment-friendly and recyclable products/packaging to safeguard consumers’ health
while minimizing the impact on the environment.

Intel® Core™2 Extreme / Core™2 Quad /
Core™2 Duo CPU support

This motherboard supports the latest Intel® Core™2 Extreme / Core™2 Quad /

Core™2 Duo processors in the LGA775 package. With 1600/1333/1066/800MHz Front Side

Bus (FSB), the Intel® Core™2 processors are among the most powerful CPUs in the world.
See page 1-7 for details.

ASUS P5Q SE2 1-1

Intel® P45 Chipset

The Intel® P45 Express Chipset is designed to support dual-channel DDR2 800/667MHz

architecture, 1333/1066/800MHz FSB, PCIe 2.0, and multi-core CPUs. It supports the Intel®
Fast Memory Access technology that signicantly optimizes the use of available memory

bandwidth and reduces the latency of the memory accesses.

PCIe 2.0 support

This motherboard supports the latest PCIe 2.0 devices for double speed and bandwidth
which enhances system performance.

Dual-channel DDR2 1200 memory support

This motherboard supports DDR2 memory that features data transfer rates of

1200/1066/800/667MHz to meet the higher bandwidth requirements of the latest operating

systems, 3D graphics, multimedia, and Internet applications. The dual-channel
DDR2 architecture doubles the bandwidth of your system memory to boost system
performance, eliminating bottlenecks with peak bandwidths up to 19.2GB/s. See page 1-13
for details.

Serial ATA 3Gb/s technology

This motherboard supports hard drives based on the Serial ATA (SATA) 3Gb/s storage

specications, delivering enhanced scalability and doubling the bus bandwidth for high-speed

data retrieval and save.

1.3.2 ASUS unique features

ASUS AI Life Features

Express Gate

Taking only 5 seconds to go online from bootup, Express Gate is the one-stop gateway

to instant fun! It’s a unique motherboard built-in OS. You can utilize the most popular

Instant Messengers (IM) like MSN, Skype, Google talk, QQ, and Yahoo! Messenger
to keep in touch with friends, or quickly check on the weather and e-mails just before

leaving your house. What’s more, the user-friendly picture manager lets you view your

pictures without entering Windows at anytime!

• The actual boot time depends on the system conguration.

• ASUS Express Gate supports le uploading from SATA HDDs, ODDs and USB drives

and downloading to USB drives only.

1-2 Chapter 1: Product introduction

ASUS Power Saving Solution

ASUS Power Saving solution intelligently and automatically provides balanced computing
power and energy consumption.

AI Nap

With AI Nap, users can instantly snooze your PC without terminating the tasks. The

system will continue operating at minimum power and noise when user is temporarily

away. It keeps downloading les or running applications in quietest state while you are

sleeping. Simply click keyboard or mouse, you can swiftly wake up the system in a few
seconds.

ASUS Crystal Sound

This feature can enhance speech-centric applications like Skype, online game, video
conference and recording.

Noise Filter

This feature detects repetitive and stationary noises (non-voice signals) like computer
fans, air conditioners, and other background noises then eliminates it in the incoming
audio stream while recording.

ASUS EZ DIY

ASUS EZ DIY feature collection provides you with easy ways to install computer components,
update the BIOS or back up your favorite settings.

ASUS O.C. Prole

The motherboard features the ASUS O.C. Prole that allows users to conveniently

store or load multiple BIOS settings. The BIOS settings can be stored in the CMOS or

a separate le, giving users freedom to share and distribute their favorite overclocking

settings. See page 2-25 for details.

ASUS CrashFree BIOS 3

The ASUS CrashFree BIOS 3 allows users to restore corrupted BIOS data from a

bootable oppy disk, USB ash disk, or the motherboard Support DVD containing the
original BIOS le. See page 2-6 for details.

ASUS EZ Flash 2

EZ Flash 2 is a user-friendly BIOS update utility. Simply launch this tool and update

BIOS from a USB ash disk before entering the OS. You can update your BIOS only in
a few clicks without preparing a bootable oppy disk or using an OS-based utility. See

pages 2-3 and 2-24 for details.

1.3.3 ASUS Stylish features

ASUS MyLogo2™

This feature allows you to convert your favorite photo into a 256-color boot logo for a more
colorful and vivid image on your screen. See page 2-22 for details.

ASUS P5Q SE2 1-3

1.3.4 ASUS Intelligent Overclocking features

P5Q SE2

SB_PWR

ON

Standy Power Powered Off

OFF

P5Q SE2 Onboard LED

AI Booster

The ASUS AI Booster allows you to overclock the CPU speed in Windows® environment
without the hassle of booting the BIOS.

Precision Tweaker

This feature allows you to ne-tune the CPU/memory voltage and gradually increase the
memory, FSB, and PCI Express frequency at 1MHz increment to achieve maximum system

performance. See page 2-12 to 2-17 for details.

CPU Parameter Recall (C.P.R.)

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 failure. When the system hangs due
to overclocking failure, C.P.R. eliminates the need to open the system chassis and clear the
RTC data. Simply shut down and reboot the system, and the BIOS automatically restores the
CPU default settings for each parameter.

1.4 Before you proceed

Take note of the following precautions before you install motherboard components or change
any motherboard settings.

• Unplug the power cord from the wall socket before touching any component.

• Use a grounded wrist strap or touch a safely grounded object or a metal object, such
as the power supply case, before handling components to avoid damaging them due to
static electricity.

• 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 standby power LED that lights up to indicate that the
system is ON, in sleep mode, or in soft-off mode. This is a reminder that you must
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.

1-4 Chapter 1: Product introduction

1.5 Motherboard overview

P5Q SE2

Before you install the motherboard, study the conguration of your chassis to ensure that the
motherboard ts into it.

Ensure that you unplug the power cord before installing or removing the motherboard.
Failure to do so can cause you physical injury and damage motherboard components.

1.5.1 Placement direction

When installing the motherboard, ensure 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.

1.5.2 Screw holes

Place six screws into the holes indicated by circles to secure the motherboard to the chassis.

Do not overtighten the screws! Doing so can damage the motherboard.

Place this side towards
the rear of the chassis

ASUS P5Q SE2 1-5

1.5.3 Motherboard layout

P5Q SE2

PCIEX16

PCIEX1_1

PCIEX1_2

PCI1

PCI2

PCI3

FLOPPY

PANEL

SPDIF_OUT

RTM

870T-954

CD

AAFP

ATX12V

EATXPWR

CPU_FAN

PWR_FAN

CHA_FAN

Intel

®

P45

Lithium Cell

CMOS Power

Super

I/O

AUDIO

LAN1_USB12

USB34

USB56

VIA

VT1708S

RTL

8111C

KBMS

SB_PWR

CLRTC

USBPW7-10USBPW1112

PS2_USBPW56

USBPW1-4

CHASSIS

LGA775

Intel

®

ICH10

DDR2 DIMM_A1 (64bit, 240-pin module)

DDR2 DIMM_A2 (64bit, 240-pin module)

DDR2 DIMM_B1 (64bit, 240-pin module)

DDR2 DIMM_B2 (64bit, 240-pin module)

SPDIF_O

SATA6 SATA4 SATA2
SATA5 SATA3 SATA1

PRI_IDE

COM1

USB1112 USB78

USB910

8Mb

BIOS

1-6 Chapter 1: Product introduction

Refer to 1.10 Connectors for more information about rear panel ports and internal
connectors.

1.5.4 Layout contents

Connectors/Jumpers/Slots Page

1. ATX power connectors (24-pin EATXPWR, 4-pin EATX12V) 1-25

2. LGA775 CPU Socket 1-8

3. CPU, chassis, and power fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN,
3-pin PWR_FAN)

4. DDR2 DIMM slots 1-11

5. Floppy disk drive connector (34-1 pin FLOPPY)

6. Chassis intrusion connector (4-1 pin CHASSIS) 1-24

7. Serial ATA connectors (7-pin SATA1-6) 1-22

8. IDE connector (40-1 pin PRI_EIDE)

9. USB connectors (10-1 pin USB78, USB910, USB1112)

10. Front panel audio connector (10-1 pin AAFP)

11. Optical drive audio connector (4-pin CD)

12. Digital audio connector (4-1 pin SPDIF_OUT) 1-21

13. USB device wake-up (3-pin USBPW1-4, USBPW7-10, USBPW1112) 1-18

14. Keyboard/mouse power (3-pin PS2_USBPW56) 1-18

15. System panel connector (20-8 pin PANEL) 1-26

16. Clear RTC RAM (3-pin CLRTC) 1-17

17. Serial port connector (10-1 pin COM1) 1-23

1-22

1-20

1-21

1-23

1-24

1-25

1.6 Central Processing Unit (CPU)

This motherboard comes with a surface mount LGA775 socket designed for the
Intel® Core™2 Extreme / Core™2 Quad / Core™2 Duo / Pentium® Dual-Core / Celeron®
Dual-Core / Celeron® processors.

• Ensure that all power cables are unplugged before installing the CPU.

• Connect the chassis fan cable to the CHA_FAN connector to ensure system stability.

• Upon purchase of the motherboard, make sure that the PnP cap is on the socket and
the socket contacts are not bent. Contact your retailer immediately if the PnP cap
is missing, or if you see any damage to the PnP cap/socket contacts/motherboard
components. ASUS will shoulder the cost of repair only if the damage is shipment/
transit-related.

• Keep the cap after installing the motherboard. ASUS will process Return Merchandise

Authorization (RMA) requests only if the motherboard comes with the cap on the

LGA775 socket.

• The product warranty does not cover damage to the socket contacts resulting from
incorrect CPU installation/removal, or misplacement/loss/incorrect removal of the PnP
cap.

ASUS P5Q SE2 1-7

1.6.1 Installing the CPU

P5Q SE2

P5Q SE2 CPU Socket 775

To install a CPU:

1. Locate the CPU socket on the motherboard.

Before installing the CPU, ensure that the socket box is facing towards you and the load
lever is on your left.

2. Press the load lever with your thumb
(A), then move it to the left (B) until it is
released from the retention tab.

To prevent damage to the socket
pins, do not remove the PnP cap
unless you are installing a CPU.

3. Lift the load lever in the direction of the

arrow to a 135º angle.

4. Lift the load plate with your thumb and

forenger to a 100º angle (4A), then

push the PnP cap from the load plate
window to remove (4B).

Retention tab

A

B

Load lever

PnP cap

Load plate

4B

4A

3

1-8 Chapter 1: Product introduction

5. Position the CPU over the socket,
ensuring that the gold triangle is on the

bottom-left corner of the socket then t

the socket alignment key into the CPU
notch.

6. Apply several drops of Thermal Interface
Material to the exposed area of the CPU
that the heatsink will be in contact with,
ensuring that it is spread in an even thin
layer.

Some heatsinks come with pre­applied thermal paste. If so, skip this
step.

CPU notch

Gold
triangle
mark

Alignment key

DO NOT eat the Thermal Interface Material. If it gets into your eyes or touches your skin,

ensure that you wash it off immediately, and seek professional medical help.

To prevent contaminating the paste, DO NOT spread the paste with your nger directly.

7. Close the load plate (A), then push
the load lever (B) until it snaps into the

A

retention tab.

This motherboard supports Intel®
LGA775 processors with the
Intel® Enhanced Intel SpeedStep®
Technology (EIST) and
Hyper-Threading Technology.

B

ASUS P5Q SE2 1-9

1.6.2 Installing the CPU heatsink and fan

CPU_FAN

GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM

P5Q SE2

P5Q SE2 CPU fan connector

The Intel® LGA775 processors require a specially designed heatsink and fan assembly to
ensure optimum thermal condition and performance.

•

When you buy a boxed Intel® processor, the package includes the CPU fan and
heatsink assembly. If you buy a CPU separately, ensure that you use only Intel®-certied
multi-directional heatsink and fan.

• Ensure that you have installed the motherboard to the chassis before you install the
CPU fan and heatsink assembly.

• If you purchased a separate CPU heatsink and fan assembly, make sure that you have
properly applied Thermal Interface Material to the CPU heatsink or CPU before you
install the heatsink and fan assembly.

Your Intel® LGA775 heatsink and fan assembly comes in a push-pin design and requires no
tool to install.

To install the CPU heatsink and fan:

A

1. Place the heatsink on top of the installed CPU,
ensuring that the four fasteners match the holes
on the motherboard.

2. Push down two fasteners at a time in a
diagonal sequence to secure the heatsink and

B

A

fan assembly in place.

A

B

1

B

A

1

The type of CPU heatsink and fan assembly may differ, but the installation steps and
fucntions should remain the same. The illustration above is for reference only.

3. Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.

Do not forget to connect
the CPU fan connector!
Hardware monitoring errors
can occur if you fail to plug
this connector.

B

1-10 Chapter 1: Product introduction

1.6.3 Uninstalling the CPU heatsink and fan

P5Q SE2

P5Q SE2 240-pin DDR2 DIMM sockets

DIMM_A1

DIMM_A2

DIMM_B1

DIMM_B2

To uninstall the CPU heatsink and fan:

1. Disconnect the CPU fan cable from the connector on the motherboard.

2. Rotate each fastener counterclockwise.

3. Pull up two fasteners at a time in a diagonal
sequence to disengage the heatsink and fan
assembly from the motherboard.

A

B

B

A

A

B

B

A

4. Carefully remove the heatsink and fan assembly from the motherboard.

1.7 System memory

1.7.1 Overview

The motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modules
(DIMM) sockets.

The gure illustrates the location of the DDR2 DIMM sockets:

Channel Sockets

Channel A DIMM_A1 and DIMM_A2

Channel B DIMM_B1 and DIMM_B2

ASUS P5Q SE2 1-11

1.7.2 Memory congurations

You may install 512MB, 1GB, 2GB, and 4GB unbuffered non-ECC DDR2 DIMMs into the
DIMM sockets.

Recommended Memory Congurations

Mode

Single-Channel

Dual-channel (1) Populated - Populated -

Dual-channel (2) Populated Populated Populated Populated

DIMM_A1 DIMM_A2 DIMM_B1 DIMM_B2

- - Populated -

Populated - - -

• When using only one DDR2 DIMM, start installing it from DIMM_A1 or DIMM_B1 for
better overclocking capability.

• For dual-channel conguration (1), install two identical DIMMs in DIMM_A1 and

DIMM_B1.

• For dual-channel conguration (2), you can:

- install four identical DIMMs in all four slots; or

- install one identical DIMM pair in DIMM_A1 and DIMM_B1 (yellow slots) and
another identical DIMM pair in DIMM_A2 and DIMM_B2 (black slots).

• Always install DIMMs with the same CAS latency. For optimum compatibility, it is
recommended that you obtain memory modules from the same vendor.

• When you install a total memory of 4GB or more, Windows

may only recognize less than 3GB. Hence, a total installed memory of less than 3GB is

recommended if you are using a Windows 32-bit operating system.

• This motherboard does not support memory modules made up of 128Mb chips.

Sockets

®

32-bit operating system

• This motherboard supports up to 16GB on a Windows® XP Professional x64 and
Windows® Vista x64 Edition. You may install a maximum of 4GB DIMM on each slot.

• The default memory operation frequency is dependent on its SPD. Under the default
state, some memory modules for overclocking may operate at a lower frequency than
the vendor-marked value. To operate at the vendor-marked or at a higher frequency, see
section 2.4 Ai Tweaker menu for manual memory frequency adjustment.

• The memory modules may require a better cooling system to work stably under full
loading (4 DIMMs) or overclocking setting.

• Some old-version DDR2-800 DIMMs may not match Intel

®

’s On-Die-Termination (ODT)

requirement and will automatically downgrade to run at DDR2-667. If this happens,
contact your memory vendor to check the ODT value.

• Due to chipset limitation, DDR2-800 with CL=4 will be downgraded to run at DDR2-667
by default setting. If you want to operate with lower latency, adjust the memory timing
manually.

1-12 Chapter 1: Product introduction

P5Q SE2 Motherboard Qualied Vendors Lists (QVL)

DDR2-1200MHz capability

Size Vendor Part No. CL

1G OCZ OCZ2FX12002GK N/A N/A DS Heat-Sink Package • •

Chip

SS/DS Chip No.

Brand

DIMM support

A* B* C*

DDR2-1066MHz capability

Size Vendor Part No. CL Chip Brand

512MB Kingston KHX8500D2/512 N/A Kingston SS Heat-Sink Package • • •

512MB Kingston KVR1066D2N7/512 N/A Elpida SS E5108AJBG-1J-E • • •

512MB Kingston KHX8500D2K2/1GN N/A Kingston SS Heat-Sink Package • • •

1G Kingston KHX8500D2K2/2GN N/A Kingston DS Heat-Sink Package • • •

1G Qimonda HYS64T128020EU-19F-C 6 Qimonda DS HYB18T512800CF19FFSS24313 • • •

1G Corsair CM2X1024-8500C5D 5-5-5-15 Corsair SS Heat-Sink Package • • •

1G Transcend TX1066QLJ-2GK1GB 5 Transced DS Heat-Sink Package • • •

1G AENEON AXT760UD00-19DC97X 5 AENEON DS Heat-Sink Package • • •

SS/
DS

Chip No.

DIMM support

A* B* C*

DDR2-800MHz capability

Size Vendor Part No. CL Chip Brand

512MB Kingston KHX6400D2LLK2/1GN N/A Kingston SS Heat-Sink Package • • •

512MB Kingston KVR800D2N6/512 N/A Elpida SS E5108AJBG-8E-E • • •

1G Kingston KVR800D2N5/1G N/A Elpida DS E5108AJBG-8E-E • • •

1G Kingston KVR800D2N6/1G N/A Elpida DS E5108AJBG-8E-E • • •

2G Kingston KVR800D2N5/2G N/A Elpida DS E1108ACBG-8E-E • • •

2G Kingston KHX6400D2/2G N/A Kingston DS Heat-Sink Package • • •

4G Kingston N/A N/A Elpida DS E2108ABSE-8G-E • • •

512MB Samsung M378T6553GZS-CF7 6 Samsung SS K4T51083QG-HCF7 • • •

4G Samsung M378T5263AZ3-CF7 6 Samsung DS K4T2G084QA-HCF7 • • •

512MB Qimonda HYS64T64000EU-2.5-B2 6 Qimonda SS HYB18T512800B2F25FSS28380 • • •

512MB HY HYMP564U64CP8-S5 AB 5 Hynix SS HY5PS12821CFP-S5 • • •

512MB Kingmax KLDC28F-A8KI5 N/A Kingmax SS KKA8FF1XF-JFS-25A • • •

512MB Apacer 78.91G91.9K5 5 Apacer SS AM4B5708JQJS8E0751C • • •

2G Apacer 78.A1GA0.9K4 5 Apacer DS AM4B5808CQJS8E0740E • • •

512MB Transcend TS128MLQ64V8J512MB N/A Micron SS 7HD22 D9GMH • • •

512MB Transcend TS64MLQ64V8J512MB N/A Transcend SS Heat-Sink Package • • •

512MB ADATA M2OAD6G3H3160Q1E58 N/A ADATA SS AD29608A8A-25EG80812 • • •

512MB VDATA M2GVD6G3H3160Q1E52 N/A VDATA SS VD29608A8A-25EG20813 • • •

1G ADATA M2OAD6G314170Q1E58 N/A ADATA DS AD29608A8A-25EG80810 • • •

1G ADATA AD2800E001GU 444-12 N/A SS Heat-Sink Package • •

1G VDATA M2GVD6G314170Q1E58 N/A VDATA DS VD29608A8A-25EG80813 • • •

1G PSC AL7E8F73C-8E1 5 PSC SS A3R1GE3CFF734MAA0E • • •

1G Super Talent T800UB1GC4 4 Super Talent DS Heat-Sink Package • • •

2G G.SKILL F2-6400CL5D-4GBPQ 5 G.SKILL DS Heat-Sink Package • • •

4G G.SKILL F2-6400CL5Q-16GNQ 5 G.SKILL DS Heat-Sink Package • •

SS/
DS

Chip No.

(continued on the next page)

DIMM support

A* B* C*

ASUS P5Q SE2 1-13

DDR2-800MHz capability

Size Vendor Part No. CL Chip Brand

1G OCZ OCZ2RPR8002GK 4 OCZ DS Heat-Sink Package • • •

1G OCZ OCZ2G800R22GK 5 OCZ DS Heat-Sink Package • • •

1G OCZ OCZ2P800R22GK 4 OCZ DS Heat-Sink Package • • •

1G OCZ OCZ2VU8004GK 6 OCZ DS Heat-Sink Package • • •

1G Elixir M2Y1G64TU8HB0B-25C 5 Elixir DS N2TU51280BE-25C802006Z1DV • • •

1G AENEON AET760UD00-25DC08X 5 AENEON SS AET03R250C 0732 • • •

512MB MDT MDT 512MB 5 MDT SS 18D51280D-2.50726F • •

512MB TAKEMS TMS51B264C081-805EP 5 takeMS SS MS18T51280-2.5P0710 • • •

SS/
DS

Chip No.

DIMM support

A* B* C*

DDR2-667MHz capability

Size Vendor Part No. CL Chip Brand

512MB Kingston KVR667D2N5/512 N/A Hynix SS HY5PS12821EFP-Y5 • • •

1G Kingston KVR667D2N5/1G N/A Hynix DS HY5PS12821EFP-Y5 • • •

2G Kingston KVR667D2N5/2G N/A Micron DS 7RE22 D9HNL • • •

4G Samsung M378T5263AZ3-CE6 5 Samsung DS K4T2G084QA-HCE6 • • •

512MB Qimonda HYS64T64000EU-3S-B2 5 Qimonda SS HYB18T512B00B2F3SFSS28171 • • •

1G Qimonda HYS64T128020EU-3S-B2 5 Qimonda DS HYB18T512B00B2F3SFSS28171 • • •

1G Corsair VS1GB667D2 N/A Corsair DS MID095D62864M8CEC • • •

1G Corsair XMS2-5400 4 Corsair DS Heat-Sink Package • • •

512MB Kingmax KLCC28F-A8KB5 N/A Kingmax SS KKEA88B4LAUG-29DX • • •

1G Kingmax KLCD48F-A8KB5 N/A Kingmax DS KKEA88B4LAUG-29DX • • •

512MB Apacer AU512E667C5KBGC 5 Apacer SS AM4B5708MIJS7E0627B • • •

512MB Apacer AU512E667C5KBGC 5 Apacer SS AM4B5708GQJS7E06332F • • •

512MB Apacer 78.91G92.9K5 5 Apacer SS AM4B5708JQJS7E0751C • • •

1G Apacer 78.01G9O.9K5 5 Apacer SS AM4B5808CQJS7E0751C • • •

1G Apacer AU01GE667C5KBGC N/A Apacer DS AM4B5708GQJS7E0636B • • •

1G Apacer AU01GE667C5KBGC 5 Apacer DS AM4B5708MIJS7E0627B • •

1G Transcend 506010-4894 5 Elpida DS E5108AJBG-6E-E • • •

512MB ADATA M2OAD5G3H3160Q1C52 N/A ADATA SS AD29608A8A-3EG20813 • • •

1G ADATA M2OAD5G314170Q1C58 N/A ADATA DS AD29608A8A-3EG80814 • • •

2G ADATA M2OAD5H3J4170I1C53 N/A ADATA DS AD20908A8A-3EG 30724 • • •

512MB PSC AL6E8E63J-6E1 5 PSC SS A3R12E3JFF717B9A00 • • •

1G PSC AL7E8E63J-6E1 5 PSC DS A3R12E3JFF717B9A01 • • •

1G PSC AL7E8F73C-6E1 5 PSC SS A3R1GE3CFF734MAA0J • • •

2G PSC AL8E8F73C-6E1 5 PSC DS A3R1GE3CFF733MAA00 • • •

512MB Nanya NT512T64U88A1BY-3C N/A Nanya SS NT5TU64M8AE-3C • • •

1G Nanya NT1GT64U8HB0BY-3C 5 Nanya DS NT5TU64M8BE-3C72155700CP • • •

1G Super Talent T667UB1GV 5 Super Talent DS PG 64M8-800 0750 • • •

512MB Twinmos 8D-A3JK5MPETP 5 PSC SS A3R12E3GEF633ACAOY • • •

1G ELIXIR M2Y1G64TU8HA2B-3C 5 ELIXIR DS M2TU51280AE-3C717095R28F • • •

1G ELIXIR M2Y1G64TU8HBOB-3C 5 ELIXIR DS N2TU51280BE-3C639009W1CF • • •

1G Leadmax LRMP512U64A8-Y5 N/A Hynix DS HY5PS12821CFP-Y5 C 702AA • • •

512MB MDT DDRII 512 PC667 4 MDT DS 18D51201D-30726E • • •

1G MDT MDT 1024MB 4 MDT DS 18D51200D-30646 • •

512MB AENEON AET660UD00-30DB97X 5 AENEON SS AET93R300B 0634 • • •

512MB TAKEMS TMS51B264C081-665QI 5 takeMS SS MS18T51280-3 • • •

512MB TAKEMS TMS51B264C081-665AP 5 takeMS SS MS18T51280-3S0627D • • •

1G TAKEMS TMS1GB264C081-665AE 5 takeMS DS MS18T51280-3SEA07100 • • •

512MB ASINT SLX264M8-J6E N/A ASINT SS DDRII6408-6E • • •

512MB Century CENTURY 512MB N/A Nanya SS NT5TU64M8AE-3C • • •

512MB KINGBOX 512MB 667MHz N/A KINGBOX SS EPD264082200-4 • • •

SS/
DS

Chip No.

DIMM support

A* B* C*

1-14 Chapter 1: Product introduction

SS - Single-sided / DS - Double - sided
DIMM support:

• A*: Supports one module inserted into any slot as single-channel memory conguration.

• B*: Supports one pair of modules inserted into either the yellow slots or the black slots

as one pair of dual-channel memory conguration.

• C*: Supports four modules inserted into both the yellow slots and the black slots as two

pairs of dual-channel memory conguration.

Visit the ASUS website for the latest DDR2-1200/1066/800/667MHz QVL.

1.7.3 Installing a DIMM

Unplug the power supply before adding or removing DIMMs or other system components.
Failure to do so can cause severe damage to both the motherboard and the components.

1. Unlock a DDR2 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.

Unlocked retaining clip

2

DDR2 DIMM notch

1

1

A DDR2 DIMM is keyed with a notch so that it ts in only one direction. DO NOT force a

DIMM into a socket to avoid damaging the DIMM.

3. Firmly insert the DIMM into the socket
until the retaining clips snap back in place

3

and the DIMM is properly seated.

Locked Retaining Clip

ASUS P5Q SE2 1-15

1.7.4 Removing a DIMM

To remove a DIMM:

1. Simultaneously press the retaining clips
outward to unlock the DIMM.

2

Support the DIMM lightly with your

ngers when pressing the retaining

clips. The DIMM might get damaged

when it ips out with extra force.

1

DDR2 DIMM notch

2. Remove the DIMM from the socket.

1.8 Expansion slots

In the future, you may need to install expansion cards. The following sub-sections describe
the slots and the expansion cards that they support.

Ensure to unplug the power cord before adding or removing expansion cards. Failure to do
so may cause you physical injury and damage motherboard components.

1.8.1 Installing an expansion card

To install an expansion card:

1. Before installing the expansion card, read the documentation that came with it and
make the necessary hardware settings for the card.

2. Remove the system unit cover (if your motherboard is already installed in a chassis).

3. Remove the bracket opposite the slot that you intend to use. Keep the screw for later
use.

4. Align the card connector with the slot and press rmly until the card is completely

seated on the slot.

5. Secure the card to the chassis with the screw you removed earlier.

6. Replace the system cover.

1

1.8.2 Conguring an expansion card

After installing the expansion card, congure it by adjusting the software settings.

1. Turn on the system and change the necessary BIOS settings, if any. See Chapter 2 for
information on BIOS setup.

2. Assign an IRQ to the card.

3. Install the software drivers for the expansion card.

1-16 Chapter 1: Product introduction

When using PCI cards on shared slots, ensure that the drivers support “Share IRQ” or that

the cards do not need IRQ assignments. Otherwise, conicts will arise between the two PCI

groups, making the system unstable and the card inoperable. Refer to the table on the next
page for details.

1.8.3 PCI slots

The PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that

comply with PCI specications.

1.8.4 PCI Express x1 slots

This motherboard supports PCI Express x1 network cards, SCSI cards and other cards that

comply with the PCI Express specications.

1.8.5 PCI Express x16 slot

This motherboard supports a PCI Express x16 graphics card that complies with the PCI

Express specications.

1.9 Jumpers

1. Clear RTC RAM (3-pin 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 onboard button cell battery powers the RAM data in
CMOS, which include system setup information such as system passwords.

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
data.

<Del> key during the boot process and enter BIOS setup to re-enter

Except when clearing the RTC RAM, never remove the cap on CLRTC jumper default
position. Removing the cap will cause system boot failure!

• If the steps above do not help, remove the onboard battery and move the jumper again
to clear the CMOS RTC RAM data. After the CMOS clearance, reinstall the battery.

• You do not need to clear the RTC when the system hangs due to overclocking. For
system failure due to overclocking, use the CPU Parameter Recall (C.P.R.) feature. Shut
down and reboot the system, then the BIOS automatically resets parameter settings to
default values.

• Due to the chipset limitation, AC power off is required before you use the C.P.R.
function. You must turn off and on the power supply or unplug and plug the power cord
before rebooting the system.

ASUS P5Q SE2 1-17

P5Q SE2

P5Q SE2 Clear RTC RAM

1 2 2 3

Normal

(Default)

Clear RTC

CLRTC

2. Keyboard/mouse power (3-pin PS2_USBPW56)

P5Q SE2 Keyboard/Mouse power

P5Q SE2

PS2_USBPW56

21

2 3

+5V

+5VSB

(Default)

P5Q SE2 USB Device Wake Up

P5Q SE2

21

2 3

+5V

(Default)

+5VSB

USBPW1-4

21

2 3

+5V

+5VSB

(Default)

21

2 3

+5V

(Default)

+5VSB

USBPW1112 USBPW7-10

This jumper allows you to enable or disable the keyboard/mouse and USB port 5-6
wake-up feature. When you set this jumper to pins 2-3 (+5VSB), you can wake up the
computer by pressing a key on the keyboard (the default is the Space Bar), clicking
the mouse, or using a USB device. This feature requires an ATX power supply that can
supply at least 1A on the +5VSB lead, and a corresponding setting in the BIOS. The
USBPW56 jumper is for the rear USB ports.

3. USB device wake-up (3-pin USBPW1-4, USBPW7-10, USBPW1112)

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).

The USBPW1-4 and PS2_USBPW56 jumpers are for the rear USB ports. The
USBPW7-10 and USB1112 jumpers are for the internal USB connectors that you can
connect to additional USB ports.

1-18 Chapter 1: Product introduction

• The USB device wake-up feature requires a power supply that can provide 500mA on

3 4 5 62

7812 10 91113

1

SPEED

LED

ACT/LINK

LED

LAN port

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.

1.10 Connectors

1.10.1 Rear panel connectors

1. PS/2 mouse port (green). This port is for a PS/2 mouse.

2. LAN (RJ-45) port.

connection to a Local Area Network (LAN) through a network hub. Refer to the table
below for the LAN port LED indications.

LAN port LED indications

ACT/LINK LED SPEED LED

Status Description Status Description

OFF No link OFF 10 Mbps connection

YELLOW Linked ORANGE 100 Mbps connection

BLINKING Data activity GREEN 1 Gbps connection

Supported by Gigabit LAN controller, this port allows Gigabit

3. Center/Subwoofer port (orange).

This port connects the center/subwoofer speakers.

4. Rear Speaker Out port (black). This port connects the rear speakers in a 4-channel,

6-channel, or 8-channel audio conguration.

5. Line In port (light blue).

This port connects the tape, CD, DVD player, or other audio

sources.

6. Line Out port (lime).

This port connects a headphone or a speaker. In 4-channel, 6-

channel, and 8-channel conguration, the function of this port becomes Front Speaker

Out.

7. Microphone port (pink).

8. Side Speaker Out port (gray).

This port connects a microphone.

This port connects the side speakers in an 8-channel

audio conguration.

ASUS P5Q SE2 1-19

Refer to the audio conguration table on the next page for the function of the audio ports in
2, 4, 6, or 8-channel conguration.

Audio 2, 4, 6, or 8-channel conguration

P5Q SE2

FLOPPY

NOTE:Orient the red markings
on the floppy ribbon cable to PIN 1.

PIN1

P5Q SE2 Floppy disk drive connector

Port

Light Blue Line In Line In Line In Line In

Lime Line Out Front Speaker Out Front Speaker Out Front Speaker Out

Pink Mic In Mic In Mic In Mic In

Orange – – Center/Subwoofer Center/Subwoofer

Black – Rear Speaker Out Rear Speaker Ou Rear Speaker Out

Gray – – – Side Speaker Out

9. USB 2.0 ports 1 and 2. These two 4-pin Universal Serial Bus (USB) ports are

available for connecting USB 2.0 devices.

10. USB 2.0 ports 3 and 4. These two 4-pin Universal Serial Bus (USB) ports are

available for connecting USB 2.0 devices.

11. Coaxial S/PDIF Out port. This port connects an external audio output device via a

coaxial S/PDIF cable.

12. USB 2.0 ports 5 and 6.

available for connecting USB 2.0 devices.

13. PS/2 keyboard port (purple)

Headset

2-channel

4-channel 6-channel 8-channel

These two 4-pin Universal Serial Bus (USB) ports are

. This port is for a PS/2 keyboard.

1.10.2 Internal connectors

1. Floppy disk drive connector (34-1 pin FLOPPY)

This connector is for the oppy disk drive (FDD) signal cable. Insert one end of the

cable to this connector, then connect the other end to the signal connector at the back

of the oppy disk drive.

• Pin 5 on the connector is removed to prevent incorrect cable connection when using a
FDD cable with a covered Pin 5.

• The FDD cable is purchased separately.

1-20 Chapter 1: Product introduction

2. Digital audio connector (4-1 pin SPDIF_OUT)

P5Q SE2

SPDIF_OUT

+5V

SPDIFOUT

GND

P5Q SE2 Digital audio connector

P5Q SE2

PRI_IDE

NOTE:Orient the red markings
on the IDE ribbon cable to PIN 1.

PIN1

P5Q SE2 IDE connector

This connector is for an additional Sony/Philips Digital Interface (S/PDIF) port. Connect
the S/PDIF Out module cable to this connector, then install the module to a slot
opening at the back of the system chassis.

The S/PDIF module is purchased separately.

3. IDE connector (40-1 pin PRI_EIDE)

The onboard IDE connector is for an Ultra DMA 133/100/66 signal cable. There are
three connectors on an Ultra DMA 133/100/66 signal cable: blue, black, and gray.

Connect the blue connector to the motherboard’s IDE connector, then select one of the
following modes to congure your device.

Drive jumper setting Mode of device(s) Cable connector

Single device Cable-Select or Master - Black

Master Black

Slave Gray

Black or gray

Two devices

Cable-Select

Master Master

Slave Slave

• Pin 20 on the IDE connector is removed to match the covered hole on the Ultra DMA
cable connector. This prevents incorrect insertion when you connect the IDE cable.

• Use the 80-conductor IDE cable for Ultra DMA 133/100/66 IDE devices.

ASUS P5Q SE2 1-21

If any device jumper is set as
“Cable-Select,” ensure that all other
device jumpers have the same
setting.

4. Serial ATA connectors (7-pin SATA1-6)

SATA1

GND

RSATA_RXN1

RSATA_RXP1

GND

RSATA_TXN1

RSATA_TXP1

GND

SATA3

GND

RSATA_RXN3

RSATA_RXP3

GND

RSATA_TXN3

RSATA_TXP3

GND

SATA5

GND

RSATA_RXN5

RSATA_RXP5

GND

RSATA_TXN5

RSATA_TXP5

GND

SATA2

GND

RSATA_TXN2

RSATA_TXP2

GND

RSATA_RXN2

RSATA_RXP2

GND

SATA4

GND

RSATA_TXN4

RSATA_TXP4

GND

RSATA_RXN4

RSATA_RXP4

GND

SATA6

GND

RSATA_TXN6

RSATA_TXP6

GND

RSATA_RXN6

RSATA_RXP6

GND

P5Q SE2

P5Q SE2 SATA connectors (ICH10R®)

CPU_FAN

GND
CPU FAN PWR
CPU FAN IN
CPU FAN PWM

PWR_FAN

Rotation

+12V
GND

CHA_FAN

GND
+12V
Rotation

P5Q SE2

P5Q SE2 fan connectors

These connectors are for the Serial ATA signal cables for Serial ATA hard disk drives.

right angle side

Connect the right-angle side of SATA
signal cable to SATA device. Or you
may connect the right-angle side of
SATA cable to the onboard SATA

port to avoid mechanical conict with

huge graphics cards.

5. CPU, chassis, and power fan connectors
(4-pin CPU_FAN, 3-pin CHA_FAN, 3-pin PWR_FAN)

The fan connectors support cooling fans of 350 mA~2000 mA (24 W max.) or a total
of 1 A~7 A (84 W max.) at +12V. Connect the fan cables to the fan connectors on the
motherboard, ensuring that the black wire of each cable matches the ground pin of the
connector.

Do not forget to connect the fan cables to the fan connectors. Insufcient air ow inside the

system may damage the motherboard components. These are not jumpers! Do not place
jumper caps on the fan connectors!

Only the CPU fan supports the ASUS Q-FAN feature.

1-22 Chapter 1: Product introduction

6. USB connectors (10-1 pin USB78, USB910, USB1112)

P5Q SE2

USB1112 USB78 USB910

P5Q SE2 USB2.0 connectors

PIN 1

USB+5V

USB_P12-

USB_P12+

GND

NC

USB+5V

USB_P11-

USB_P11+

GND

PIN 1

USB+5V

USB_P10-

USB_P10+

GND

NC

USB+5V

USB_P9-

USB_P9+

GND

PIN 1

USB+5V

USB_P8-

USB_P8+

GND

NC

USB+5V

USB_P7-

USB_P7+

GND

P5Q SE2

P5Q SE2 Serial port (COM1) connector

PIN 1

COM1

These connectors are for USB 2.0 ports. Connect the USB module cable to any of
these connectors, then install the module to a slot opening at the back of the system

chassis. These USB connectors comply with USB 2.0 specication that supports up to

480Mbps connection speed.

Never connect a 1394 cable to the USB connectors. Doing so will damage the
motherboard!

The USB module cable is purchased separately.

7. Serial port connector (10-1 pin COM1)

This connector is for a serial (COM) port. Connect the serial port module cable to this
connector, then install the module to a slot opening at the back of the system chassis.

The serial port module is purchased separately.

ASUS P5Q SE2 1-23

8. Front panel audio connector (10-1 pin AAFP)

P5Q SE2

P5Q SE2 Analog front panel connector

AAFP

PIN 1

GND

PRESENCE#

SENSE1_RETUR

SENSE2_RETUR

PORT1 L

PORT1 R

PORT2 R

SENSE_SEND

PORT1 L

HD-audio-compliant

pin definition

PIN 1

AGNDNCNC

NC

MIC2

MICPWR

Line out_R

NC

Line out_L

Legacy AC’97

compliant definition

P5Q SE2

+5VSB_MB

Chassis Signal

GND

CHASSIS

P5Q SE2 Chassis intrusion connector

This connector is for a chassis-mounted front panel audio I/O module that supports
either HD Audio or legacy AC`97 audio standard. Connect one end of the front panel
audio I/O module cable to this connector.

• We recommend that you connect a high-denition front panel audio module to this
connector to avail of the motherboard’s high-denition audio capability.

•

If you want to connect a high-denition front panel audio module to this connector, set

the Front Panel Type item in the BIOS setup to [HD Audio]; if you want to connect an
AC'97 front panel audio module to this connector, set the item to [AC97]. By default, this
connector is set to [HD Audio]. See section 2.5.3 Onboard Devices Conguration for
details.

9. Chassis intrusion connector (4-1 pin CHASSIS)

This connector is for a chassis-mounted intrusion detection sensor or switch. Connect
one end of the chassis intrusion sensor or switch cable to this connector. The chassis
intrusion sensor or switch sends a high-level signal to this connector when a chassis
component is removed or replaced. The signal is then generated as a chassis intrusion
event.

By default, the pin labeled “Chassis Signal” and “Ground” are shorted with a jumper
cap. Remove the jumper caps only when you intend to use the chassis intrusion
detection feature.

1-24 Chapter 1: Product introduction

10. Optical drive audio connector (4-pin CD)

P5Q SE2

CD

Left Audio Channel

GND

GND

Right Audio Channel

P5Q SE2 Internal audio connector

P5Q SE2

P5Q SE2 ATX power connectors

ATX12V

PIN 1

+12V DC

+12V DC

GND

GND

EATXPWR

PIN 1

+3 Volts
+3 Volts
GND
+5 Volts
GND
+5 Volts
GND
Power OK
+5V Staudby
+12 Volts
+12 Volts
+3 Volts

+3 Volts

-12 Volts
GND

PSPN#

GND
GND
GND

-5 Volts
+5 Volts
+5 Volts
+5 Volts

GND

These connectors allow you to receive stereo audio input from sound sources such as
a CD-ROM, TV tuner, or MPEG card.

11. ATX power connectors (24-pin EATXPWR, 4-pin EATX12V)

These connectors are for ATX power supply plugs. The power supply plugs are

designed to t these connectors in only one orientation. Find the proper orientation and
push down rmly until the connectors completely t.

•

For a fully congured system, we recommend that you use a power supply unit (PSU)

that complies with ATX 12 V Specication 2.0 (or later version) and provides a minimum

power of 400 W.

• Do not forget to connect the 4-pin EATX12V power plug; otherwise, the system will not

boot.

• Use of a PSU with a higher power output is recommended when conguring a system

with more power-consuming devices. The system may become unstable or may not boot
up if the power is inadequate.

• The ATX 12 V Specication 2.0-compliant (400W) PSU has been tested to support the
motherboard power requirements with the following conguration:

CPU: Intel® Pentium® Extreme 3.73GHz
Memory: 512 MB DDR2 (x4)
Graphics card: ASUS EAX1900XT
Parallel ATA device: IDE hard disk drive
Serial ATA device: SATA hard disk drive (x2)
Optical drive: DVD-RW

ASUS P5Q SE2 1-25

12. System panel connector (20-8 pin PANEL)

P5Q SE2

P5Q SE2 System panel connector

PIN 1

* Requires an ATX power supply

PLED SPEAKER

PLED+

PLED-

+5V

Ground

Ground

Speaker

IDE_LED+

IDE_LED-

PWR

Ground

Reset

Ground

PANEL

IDE_LED PWRSW RESET

This connector supports several chassis-mounted functions.

• System power LED (2-pin PLED)

This 2-pin connector is for the system power LED. Connect the chassis power LED
cable to this connector. The system power LED lights up when you turn on the system
power, and blinks when the system is in sleep mode.

•

Hard disk drive activity LED (2-pin IDE_LED)

This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable

to this connector. The IDE LED lights up or ashes when data is read from or written to

the HDD.

•

System warning speaker (4-pin SPEAKER)

This 4-pin connector is for the chassis-mounted system warning speaker. The speaker
allows you to hear system beeps and warnings.

•

ATX power button/soft-off button (2-pin PWRSW)

This connector is for the system power button. Pressing the power button turns
the system on or puts the system in sleep or soft-off mode depending on the BIOS
settings. Pressing the power switch for more than four seconds while the system is ON
turns the system OFF.

•

Reset button (2-pin RESET)

This 2-pin connector is for the chassis-mounted reset button for system reboot without
turning off the system power.

1-26 Chapter 1: Product introduction

1.11 Software support

1.11.1 Installing an operating system

This motherboard supports Windows® XP/Vista Operating Systems (OS). Always install the

latest OS version and corresponding updates to maximize the features of your hardware.

• Motherboard settings and hardware options vary. Use the setup procedures presented in
this section for reference only. Refer to your OS documentation for detailed information.

• Ensure that you install Windows
the drivers for better compatibility and system stability.

1.11.2 Support DVD information

The Support DVD that comes with the motherboard package contains the drivers, software
applications, and utilities that you can install to get all motherboard features.

To run the Support DVD

Place the Support DVD into the optical drive. The DVD automatically displays the Drivers
menu if Autorun is enabled on your computer.

®

XP Service Pack 1 or later versions before installing

Click an icon to
display Support DVD/
motherboard information

Click an item to install

If Autorun is NOT enabled in your computer, browse the contents of the Support DVD to
locate the le ASSETUP.EXE from the BIN folder. Double-click ASSETUP.EXE to run the
DVD.

ASUS P5Q SE2 1-27

1-28 Chapter 1: Product introduction

Chapter 2

BIOS information

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 Update:

2. ASUS EZ Flash 2:

3. ASUS AFUDOS:

4. ASUS CrashFree BIOS 3:

disk, or the motherboard Support DVD when the BIOS le fails or gets corrupted.

Refer to the corresponding sections for details on these utilities.

2.1.1 ASUS Update utility

The ASUS Update is a utility that allows you to manage, save, and update the motherboard
BIOS in Windows® environment. The ASUS Update utility allows you to:

• Save the current BIOS le;

• Download the latest BIOS le from the Internet;

• Update the BIOS from an updated BIOS le;

• Update the BIOS directly from the Internet; and

• View the BIOS version information.

This utility is available in the Support DVD that comes with the motherboard package.

Updates the BIOS in Windows® environment.

Updates the BIOS using a oppy disk or USB ash disk.

Updates the BIOS in DOS mode using a bootable oppy disk.

Updates the BIOS using a bootable oppy disk, USB ash

Save a copy of the original motherboard BIOS le to a bootable oppy disk or USB ash

disk in case you need to restore the BIOS in the future. Copy the original motherboard
BIOS using the ASUS Update or AFUDOS utilities.

ASUS Update requires an Internet connection either through a network or an Internet
Service Provider (ISP).

Installing ASUS Update

To install ASUS Update:

1. Place the support DVD into the optical drive. The

2. Click the

ASUS P5Q SE2 2-1

Utilities tab, then click Install ASUS Update.

Quit all Windows® applications before you update the BIOS using this utility.

Drivers menu appears.

Updating the BIOS through the Internet

To update the BIOS through the Internet:

1. Launch the ASUS Update utility from the Windows

Programs > ASUS > ASUSUpdate > ASUSUpdate. The ASUS Update main window
appears.

2. Select Update BIOS

from the

3. Select the ASUS FTP site nearest you

Internet option from the drop-down
menu, then click Next.

®

desktop by clicking Start >

to avoid network trafc, or click Auto
Select. Click Next.

4. From the FTP site, select the BIOS
version that you want to download.

5. Follow the onscreen instructions to
complete the update process.

Click Next.

Updating the BIOS through a BIOS le

To update the BIOS through a BIOS le:

1. Launch the ASUS Update utility from the
Windows® desktop by clicking Start > Programs >
ASUS > ASUSUpdate > ASUSUpdate.

2. Select

3. Locate the BIOS le from the

4. Follow the onscreen instructions to complete the

Update BIOS from a le option from the

drop-down menu, then click Next.

Open window, then

click Open.

update process.

The ASUS Update utility is capable
of updating itself through the Internet.
Always update the utility to get all its
features.

2-2 Chapter 2: BIOS setup

2.1.2 Creating a bootable oppy disk

1. To create a bootable oppy disk:

DOS environment

a. Insert a 1.44MB oppy disk into the oppy disk drive.

b. At the DOS prompt, key in format A:/S

Windows® XP environment

a. Insert a 1.44MB oppy disk into the oppy disk drive.

b. Click

c. Right-click the 3 1/2 Floppy Drive icon, then select

d. Select the Create an MS-DOS startup disk

e. Click

Windows® Vista environment

a. Insert a formatted, high density 1.44MB oppy disk into the oppy disk

drive.

Start from the Windows® desktop, then select My Computer.

Start.

then press <Enter>.

Format.

checkbox.

b. Click

c. Right-click Floppy Disk Drive

Format 3 1/2 Floppy dialog box.

d. Select the Create an MS-DOS startup disk

e. Click

2. Copy the original or the latest motherboard BIOS le to the bootable oppy disk.

from the Windows® desktop, then select Computer.

then click Format to display the

checkbox.

Start.

2.1.3 ASUS EZ Flash 2 utility

The ASUS EZ Flash 2 feature allows you to update the BIOS without having to go through

the long process of booting from a oppy disk and using a DOS-based utility. The EZ Flash 2

utility is built in the BIOS chip so it is accessible by pressing <Alt> + <F2> during the
Power-On Self-Test (POST).

To update the BIOS using EZ Flash 2:

1. Visit the ASUS website at www.asus.com to download the latest BIOS le for this

motherboard.

2. Save the BIOS le to a oppy disk or USB ash disk, then restart the system.

3. Launch EZ Flash 2 using either of the following methods.

(1) Insert the oppy disk or USB ash disk that contains the BIOS le into the oppy

disk drive or a USB port.

Press <Alt> + <F2>

during POST to display the following.

ASUS P5Q SE2 2-3

ASUSTek EZ Flash 2 BIOS ROM Utility V3.24

FLASH TYPE: MXIC 25L8005

Current ROM

BOARD: P5Q SE2
VER: 0304 (H:00 B:00)
DATE: 09/01/2008

PATH: A:\

A:

Note

[Enter] Select or Load [Tab] Switch [V] Drive Info
[Up/Down/Home/End] Move [B] Backup [ESC] Exit

Update ROM

BOARD: Unknown
VER: Unknown
DATE: Unknown

(2) Insert the oppy disk or USB ash disk that contains the BIOS le into the oppy

disk drive or a USB port.

Press

<Del> during POST to enter the BIOS setup utility. Go to the Tools menu,

then select EZ Flash 2 and press <Enter>.

Press <Tab> to locate the correct le. Then press <Enter>.

4. When the correct BIOS le is found, EZ Flash 2 performs the BIOS update process

and automatically reboots the system when done.

• This function can support devices such as USB ash disks and oppys disk with FAT
32/16 format and single partition only.

• DO NOT

shut down or reset the system while updating the BIOS to prevent system boot

failure!

2.1.4 AFUDOS utility

The AFUDOS utility allows you to update the BIOS le in DOS environment using a bootable
oppy disk with the updated BIOS le. This utility also allows you to copy the current BIOS
le that you can use as backup when the BIOS fails or gets corrupted during the updating

process.

Copying the current BIOS

To copy the current BIOS le using the AFUDOS utility:

• Ensure that the oppy disk is not write-protected and has at least 1024KB free space to
save the le.

• The BIOS screens in this section are for reference only. The actual BIOS screen
displays may not be the same as shown.

1. Copy the AFUDOS utility (afudos.exe) from the motherboard Support DVD to a

bootable oppy disk.

2-4 Chapter 2: BIOS setup

2. Boot the system in DOS mode.

3. At the prompt key in

afudos /o[lename]

where [lename] is any user-assigned lename which consists of no more than eight
alphanumeric characters for the main lename and three alphanumeric characters for

the extension name.

A:\>afudos /oOLDBIOS1.rom

Main lename Extension name

then press <Enter> to copy the current BIOS le to the oppy disk.

The utility returns to the DOS prompt after copying the current BIOS le.

Updating the BIOS le

To update the BIOS le using the AFUDOS utility:

1. Visit the ASUS website at www.asus.com to download the latest BIOS le for this
motherboard. Save the BIOS le to a bootable oppy disk.

We recommend that you write the BIOS lename on a piece of paper; you will need to key
in the exact BIOS lename at the DOS prompt later.

2. Copy the AFUDOS utility (afudos.exe) from the motherboard Support DVD to a

bootable oppy disk.

3. Boot the system in DOS mode.

4. At the prompt key in

where [lename] is the latest or the original BIOS le in the bootable oppy disk.

A:\>afudos /iP5QSE2.ROM

then press <Enter>.

afudos /i[lename]

DO NOT shut down or reset the system while updating the BIOS to prevent system boot
failure!

5. The utility returns to the DOS prompt after the BIOS update process is completed.
Reboot the system from the hard disk drive.

A:\>afudos /iP5QSE2.ROM

AMI Firmware Update Utility - Version 1.19(ASUS V2.07(03.11.24BB))
Copyright (C) 2002 American Megatrends, Inc. All rights reserved.

WARNING!! Do not turn off power during ash BIOS

Reading le ....... done

Reading ash ...... done

Advance Check ......

Erasing ash ...... done

Writing ash ...... done

Verifying ash .... done

Please restart your computer

A:\>

ASUS P5Q SE2 2-5

2.1.5 ASUS CrashFree BIOS 3 utility

The ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS le

when it fails or gets corrupted during the update process. You can update a corrupted BIOS

le using the motherboard Support DVD, a oppy disk, or USB ash disk that contains the
updated BIOS le.

• Prepare the motherboard Support DVD, a oppy disk, or USB ash disk containing the

updated motherboard BIOS before using this utility.

• For the P5Q SE2 motherboard, this utility will not function when you use a PATA optical
drive.

• Always connect the SATA cable to the SATA1/2/3/4 connector; otherwise, the utility will

not function.

Recovering the BIOS from a oppy disk

To recover the BIOS from a oppy disk:

1. Turn on the system.

2. Insert the oppy disk with the original or updated BIOS le into the oppy disk drive.
The utility displays the following message and automatically checks the oppy disk for the

original or updated BIOS le.

Bad BIOS checksum. Starting BIOS recovery...
Checking for oppy...

When the BIOS le is found, the utility reads it and starts updating the corrupted BIOS le.

Bad BIOS checksum. Starting BIOS recovery...
Checking for oppy...
Floppy found!
Reading le “P5QSE2.ROM”. Completed.
Start ashing...

DO NOT shut down or reset the system while updating the BIOS! Doing so can cause
system boot failure!

3. Restart the system after the utility completes the update process.

Recovering the BIOS from the Support DVD

To recover the BIOS from the Support DVD:

1. Turn on the system.

2. Insert the motherboard Support DVD into the optical drive.

The utility displays the following message and automatically checks the DVD for the BIOS

le.

Bad BIOS checksum. Starting BIOS recovery...
Checking for oppy...

If no oppy disk is found, the utility automatically checks the optical drive for the original or
updated BIOS le. The utility then updates the corrupted BIOS le.

2-6 Chapter 2: BIOS setup

Bad BIOS checksum. Starting BIOS recovery...
Checking for oppy...
Floppy not found!
Checking for DVD-ROM...
DVD-ROM found!
Reading le “P5QSE2.ROM”. Completed.
Start ashing...

3. Restart the system after the utility completes the update process.

The recovered BIOS may not be the latest BIOS version for this motherboard. Visit the

ASUS website at www.asus.com to download the latest BIOS le.

Recovering the BIOS from a USB ash disk

To recover the BIOS from a USB ash disk:

1. Insert a USB ash disk that contains BIOS le to a USB port.

2. Turn on the system.

The utility automatically checks the devices for the BIOS le. When the BIOS le is found, the
utility reads it and starts updating the corrupted BIOS le.

3. Restart the system after the utility completes the update process.

• Only the USB ash disk with FAT 32/16 format and single partition supports ASUS
CrashFree BIOS 3. The device size should be smaller than 8GB.

• DO NOT

shut down or reset the system while updating the BIOS! Doing so can cause

system boot failure!

2.2 BIOS setup program

This motherboard supports a programmable Serial Peripheral Interface (SPI) chip that you
can update using the provided utility described in section 2.1 Managing and updating your
BIOS.

Use the BIOS Setup program when you are installing a motherboard, reconguring your
system, or prompted to “Run Setup.” This section explains how to congure your system

using this utility.

Even if you are not prompted to use the Setup program, you can change the conguration of

your computer in the future. For example, you can enable the security password feature or

change the power management settings. This requires you to recongure your system using
the BIOS Setup program so that the computer can recognize these changes and record them

in the CMOS RAM of the SPI chip.
The SPI chip 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.

ASUS P5Q SE2 2-7

If you want to enter Setup after POST, reboot the system by doing any of the following
procedures:

• Restart using the OS standard shut-down procedure.

• Press

<Ctrl>+<Alt>+<Del> simultaneously.

• Press the reset button on the system chassis.

• Press the power button to turn the system off then back on.

Using the power button, reset button, or the <Ctrl>+<Alt>+<Del> keys to force reset from
a running operating system can cause damage to your data or system. We recommend that
you always shut down the system properly from the operating system.

The Setup program is designed to make it as easy to use as possible. Being a menu-driven
program, it lets you scroll through the various sub-menus and make your selections from the
available options using the navigation keys.

• The default BIOS settings for this motherboard apply to most conditions to ensure
optimum performance. If the system becomes unstable after changing any BIOS
settings, load the default settings to ensure system compatibility and stability. Select the

Load Setup Defaults

item under the Exit menu. See section 2.9 Exit Menu.

• The BIOS setup screens in this section are for reference only. They may not exactly
match what you see on your screen.

• Visit the ASUS website at www.asus.com to download the latest BIOS le for this

motherboard.

2.2.1 BIOS menu screen

Menu bar

Main Ai Tweaker Advanced Power Boot Tools Exit

System Time [
System Date [Wed 04/16/2008]
Legacy Diskette A [1.44M, 3.5 in]

SATA 1 [Not Detected]
SATA 2 [Not Detected]
SATA 3 [Not Detected]
SATA 4 [Not Detected]

SATA 5 [Not Detected]

SATA 6 [Not Detected]

Storage Conguration

System Information

v02.61 (C)Copyright 1985-2008, American Megatrends, Inc.

Sub-menu items

Conguration eldsMenu items

BIOS SETUP UTILITY

14:14:35]

General help

Use [ENTER], [TAB] or
[SHIFT-TAB] to select
a eld.

Use [+] or [-] to
congure system time.

Select Screen

Select Item
+- Change Field
Tab Select Field
F1 General Help
F10 Save and Exit
ESC Exit

Navigation keys

2-8 Chapter 2: BIOS setup

2.2.2 Menu bar

The menu bar on top of the screen has the following main items:

Main For changing the basic system conguration

Ai Tweaker For conguring system performance settings

Advanced For changing the advanced system settings

Power For changing the advanced power management (APM) conguration

Boot For changing the system boot conguration

Tools For conguring options for special functions

Exit For selecting the exit options and loading default settings.

To select an item on the menu bar, press the right or left arrow key on the keyboard until the
desired item is highlighted.

2.2.3 Navigation keys

At the bottom right corner of a menu screen are the navigation keys for that particular menu.
Use the navigation keys to select items in the menu and change the settings.

Some of the navigation keys differ from one screen to another.

2.2.4 Menu items

The highlighted item on the menu

bar displays the specic items for

that menu. For example, selecting
Main shows the Main menu items.

The other items (Ai Tweaker,
Advanced, Power, Boot, and Exit) on
the menu bar have their respective
menu items.

Main Ai Tweaker Advanced Power Boot Tools Exit

System Time [14:14:35]
System Date [Wed 04/16/2008]
Legacy Diskette A [1.44M, 3.5 in]

SATA 1 [Not Detected]
SATA 2 [Not Detected]
SATA 3 [Not Detected]
SATA 4 [Not Detected]

SATA 5 [Not Detected]

SATA 6 [Not Detected]

Storage Conguration

System Information

v02.61 (C)Copyright 1985-2008, American Megatrends, Inc.

2.2.5 Sub-menu items

A solid triangle before each item on any menu screen means that the iteam has a sub-menu.
To display the sub-menu, select the item and press <Enter>.

BIOS SETUP UTILITY

Main menu items

Use [ENTER], [TAB] or
[SHIFT-TAB] to select
a eld.

Use [+] or [-] to
congure system
Time.

Select Screen

Select Item
+- Change Field
Tab Select Field
F1 General Help
F10 Save and Exit
ESC Exit

2.2.6 Conguration elds

These elds show the values for the menu items. If an item is user- congurable, you can
change the value of the eld opposite the item. You cannot select an item that is not user­congurable.

A congurable eld is enclosed in brackets, and is highlighted when selected. To change the
value of a eld, select it then press <Enter> to display a list of options. Refer to 2.2.7 Pop-up

window.

ASUS P5Q SE2 2-9

2.2.7 Pop-up window

Select a menu item then press
<Enter> to display a pop-up window

Main Ai Tweaker Advanced Power Boot Tools Exit

with the conguration options for

that item.

2.2.8 Scroll bar

A scroll bar appears on the right side
of a menu screen when there are

items that do not t on the screen.

Press the

<Up> / <Down> arrow keys or
<Page Up> /<Page Down> keys to

display the other items on the screen.

System Time [14:14:35] System Date [Wed 04/16/2008] Legacy Diskette A [1.44M, 3.5 in]

SATA 1 [Not Detected]
SATA 2 [Not Detected]
SATA 3 [Not Detected]
SATA 4 [Not Detected]

SATA 5 [Not Detected]

SATA 6 [Not Detected]

Storage Conguration

System Information

v02.61 (C)Copyright 1985-2008, A m e r i c a n Megatrends, Inc.

BIOS SETUP UTILITY

Options

Disabled
720K, 3.5 in.

1.44M, 3.5 in.

Pop-up window

Scroll bar

Use [ENTER], [TAB] or
[SHIFT-TAB] to select
a eld.

Use [+] or [-] to
congure system
Time.

Select Screen

Select Item
+- Change Field
Tab Select Field
F1 General Help
F10 Save and Exit
ESC Exit

2.2.9 General help

At the top right corner of the menu screen is a brief description of the selected item.

2.3 Main menu

When you enter the BIOS Setup program, the Main menu screen appears, giving you an
overview of the basic system information.

Refer to section 2.2.1 BIOS menu screen for information on the menu screen items and
how to navigate through them.

Main Ai Tweaker Advanced Power Boot Tools Exit

System Time [14:14:35]
System Date [Wed 04/16/2008]
Legacy Diskette A [1.44M, 3.5 in]

SATA 1 [Not Detected]
SATA 2 [Not Detected]
SATA 3 [Not Detected]
SATA 4 [Not Detected]

SATA 5 [Not Detected]

SATA 6 [Not Detected]

Storage Conguration

System Information

BIOS SETUP UTILITY

Use [ENTER], [TAB] or
[SHIFT-TAB] to select
a eld.

Use [+] or [-] to
congure system time.

Select Screen

Select Item
+- Change Field
Tab Select Field
F1 General Help
F10 Save and Exit
ESC Exit

v02.61 (C)Copyright 1985-2008, American Megatrends, Inc.

2.3.1 System Time [xx:xx:xx]

Allows you to set the system time.

2.3.2 System Date [Day xx/xx/xxxx]

Allows you to set the system date.

2.3.3 Legacy Diskette A [1.44M, 3.5 in.]

Sets the type of oppy drive installed. Conguration options: [Disabled]
[720K, 3.5 in.] [1.44M, 3.5 in.]

2-10 Chapter 2: BIOS setup

2.3.4 SATA 1-6

While entering Setup, the BIOS automatically detects the presence of IDE devices.
There is a separate sub-menu for each IDE device. Select a device item then
press <Enter> to display the IDE device information.

The BIOS automatically detects the values opposite the dimmed items (Device, Vendor, Size,

LBA Mode, Block Mode, PIO Mode, Async DMA, Ultra DMA, and SMART Monitoring). These
values are not user-congurable. These items show N/A if no IDE device is installed in the
system.

Type [Auto]

Selects the type of IDE drive. Setting to [Auto] allows automatic selection of the appropriate
IDE device type. Select [CDROM] if you are specically conguring a CD-ROM drive. Select
[ARMD] (ATAPI Removable Media Device) if your device is either a ZIP, LS-120, or MO drive.

Conguration options: [Not Installed] [Auto] [CDROM] [ARMD]

LBA/Large Mode [Auto]

Enables or disables the LBA mode. Setting to [Auto] enables the LBA mode if the device
supports this mode, and if the device was not previously formatted with LBA mode disabled.

Conguration options: [Disabled] [Auto]

Block (Multi-sector Transfer) M [Auto]

Enables or disables data multi-sectors transfers. When set to [Auto], the data transfer from
and to the device occurs multiple sectors at a time if the device supports multi-sector transfer
feature. When set to [Disabled], the data transfer from and to the device occurs one sector

at a time. Conguration options: [Disabled] [Auto]

PIO Mode [Auto]

Selects the PIO mode. Conguration options: [Auto] [0] [1] [2] [3] [4]

DMA Mode [Auto]

Selects the DMA mode. Conguration options: [Auto]

SMART Monitoring [Auto]

Sets the Smart Monitoring, Analysis, and Reporting Technology.

Conguration options: [Auto] [Disabled] [Enabled]

32Bit Data Transfer [Enabled]

Enables or disables 32-bit data transfer. Conguration options: [Disabled] [Enabled]

2.3.5 Storage Conguration

The items in this menu allow you to set or change the congurations for the SATA devices
installed in the system. Select an item then press <Enter> if you want to congure the item.

SATA Conguration [Enhanced]

Conguration options: [Disabled] [Compatible] [Enhanced]

Configure SATA as [IDE]

Sets the conguration for the Serial ATA connectors supported by the Southbridge chip.
Conguration options: [IDE] [AHCI]

ASUS P5Q SE2 2-11

Due to Intel chipset driver support regulation, the AHCI mode is not supported in Windows
XP environment. The AHCI mode is only supported by Windows Vista with OS built-in
driver.

Hard Disk Write Protect [Disabled]

Disables or enables device write protection. This will be effective only if device is accessed

throuh BIOS. Conguration option: [Disabled] [Enabled]

IDE Detect Time Out (Sec) [35]

Selects the time out value for detecting ATA/ATAPI devices.

Conguration options: [0] [5] [10] [15] [20] [25] [30] [35]

2.3.6 System Information

This menu gives you an overview of the general system specications. The BIOS

automatically detects the items in this menu.

Bios Information

Displays the auto-detected BIOS information.

Processor

Displays the auto-detected CPU specication.

System Memory

Displays the auto-detected system memory.

2.4 Ai Tweaker menu

The Ai Tweaker menu items allow you to congure system performance settings. Select an
item then press <Enter> to display the conguration options.

Take caution when changing the settings of the Ai Tweaker menu items. Incorrect eld

values can cause the system to malfunction.

2-12 Chapter 2: BIOS setup

Main Ai Tweaker Advanced Power Boot Tools Exit

Congure System Performance Settings

Ai Overclock Tuner [Auto]

FSB Strap to North Bridge [Auto]
DRAM Frequency [Auto]
DRAM Timing Control [Auto]

1st Information: 5-5-5-15-3-36-5-3
2nd Information: 8-3-5-4-6-4-6
3rd Information: 13-5-1-5-5

DRAM Static Read Control [Auto]
DRAM Read Training [Auto]
MEM. OC Charger [Auto]
Ai Clock Twister [Auto]
Ai Transaction Booster [Auto]

C/P: A1 A2 A3 A4
LVL: 09 09 09 09

********Please Key in numbers directly!********

CPU Voltage [Auto]
FSB Termination Voltage [Auto]

v02.61 (C)Copyright 1985-2008, American Megatrends, Inc.

BIOS SETUP UTILITY

Options

Manual

Auto

Select Screen

Select Item
+- Change Field
F1 General Help
F10 Save and Exit
ESC Exit

Scroll down to display the following items:

Memory Voltage [Auto]
North Bridge Voltage [Auto]
South Bridge Voltage [Auto]

**************************************************

CPU GTL Reference [Auto]
CPU Spread Spectrum [Auto]
PCIE Spread Spectrum [Auto]
CPU Clock Skew [Auto]
NB Clock Skew [Auto]
CPU Margin Enhancement [Optimized]

v02.61 (C)Copyright 1985-2008, American Megatrends, Inc.

Ai Overclock Tuner [Auto]

Allows selection of CPU overclocking options to achieve desired CPU internal frequency.

Select either one of the preset overclocking conguration options:

Manual - allows you to manually set overclocking parameters.

Auto - loads the optimal settings for the system.

The follow items appear only when you set the [Ai Overclock Tuner] item to [Manual].

FSB Frequency [xxx]

Displays the frequency sent by the clock generator to the system bus and PCI bus.
Use the <+> and <-> keys to adjust the FSB frequency. You can also type the desired
FSB frequency using the numeric keypad. The values range from 200 to 600. Refer to
the table below for the correct Front Side Bus and CPU External Frequency settings.

FSB / CPU External Frequency Synchronization

Front Side Bus CPU External Frequency

FSB 1600 400 MHz

FSB 1333 333 MHz

FSB 1066 266 MHz

FSB 800 200 MHz

PCIE Frequency [Auto]

Use the <+> and <-> keys to adjust the PCIE frequency. You can also type the desired
PCIE frequency using the numeric keypad. The values range from 100 to 160.

ASUS P5Q SE2 2-13

FSB Strap to North Bridge [Auto]

Allows you to adjust the FSB strap. Conguration options: [Auto] [200MHz] [266MHz]
[333MHz] [400MHz]

DRAM Frequency [Auto]

Allows you to set the DDR2 operating frequency. Conguration options: [Auto]
[DDR2-533MHz] [DDR2-639MHz] [DDR2-667MHz] [DDR2-709MHz] [DDR2-800MHz]
[DDR2-852MHz] [DDR2-887MHZ] [DDR2-1066MHz] [DDR2-1200MHz]

DRAM frequency lower than 667MHz may cause system boot failure due to spec violation.

DRAM Timing Control [Auto]

Allows selection of the DRAM timing conguration. Conguration options: [Auto] [Manual]

• The following items appear only when you set the [DRAM Timing Control] item to
[Manual].

• The conguration options for some of the following items vary depending on the DIMMs

you install on the motherboard.

1st Information: 5-5-5-15-3-36-5-3

CAS# Latency [5 DRAM Clocks]

Conguration options: [3 DRAM Clocks] ~ [11 DRAM Clocks]

DRAM RAS# to CAS# Delay [5 DRAM Clocks]

Conguration options: [3 DRAM Clocks] ~ [18 DRAM Clocks]

DRAM RAS# Precharge [5 DRAM Clocks]

Conguration options: [3 DRAM Clocks] ~ [18 DRAM Clocks]

RAS# Activate to Precharge [15 DRAM Clocks]

Conguration options: [3 DRAM Clocks] ~ [34 DRAM Clocks]

RAS# to RAS# Delay [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

Row Refresh Cycle Time [Auto]

Conguration options: [Auto] [20 DRAM Clocks] [25 DRAM Clocks]
[30 DRAM Clocks] [35 DRAM Clocks] [40 DRAM Clocks] [45 DRAM Clocks] [50 DRAM
Clocks] [55 DRAM Clocks] [60 DRAM Clocks] [65 DRAM Clocks] [70 DRAM Clocks]
[80 DRAM Clocks] [85 DRAM Clocks] [105 DRAM Clocks] [132 DRAM Clocks]

Write Recovery Time [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

Read to Precharge Time [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

2nd Information: 8-3-5-4-6-4-6

READ to WRITE Delay (S/D) [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

WRITE to READ Delay (S) [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

WRITE to READ Delay (D) [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

READ to READ Delay (S) [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

2-14 Chapter 2: BIOS setup

READ to READ Delay (D) [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

WRITE to WRITE Delay (S) [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

WRITE to WRITE Delay (D) [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

3rd Information: 13-5-1-5-5

WRITE to PRE Delay [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [31 DRAM Clocks]

READ to PRE Delay [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

PRE to PRE Delay [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [3 DRAM Clocks]

ALL PRE to ACT Delay [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

ALL PRE to REF Delay [Auto]

Conguration options: [Auto] [1 DRAM Clocks] ~ [15 DRAM Clocks]

DRAM Static Read Control [Auto]

Adjusting this item might enhance DRAM overclocking ability.

Conguration options: [Auto] [Disabled] [Enabled]

DRAM Read Training [Auto]

Adjusting this item might enhance DRAM overclocking ability.

Conguration options: [Auto] [Disabled] [Enabled]

MEM. OC Charger [Auto]

Adjusting this item might enhance DRAM overclocking ability.

Conguration options: [Auto] [Disabled] [Enabled]

Ai Clock Twister [Auto]

Allows you to set the DRAM performance. Set this item to [Light] or [Lighter] to enhance
DRAM compatibility, or [Strong] or [Stronger] to accelerate DRAM performance.

Conguration options: [Auto] [Lighter] [Light] [Moderate] [Strong] [Stronger]

Ai Transaction Booster [Auto]

Allows you to set the system performance. Conguration options: [Auto] [Manual]

The following items appear only when you set the Ai Transaction Booster item to
[Manual].

C/P: A1 A2 A3 A4
LVL: 09 09 09 09

Common Performance Level [05]

Set this item to a higher level for better compatibility or a lower level for better
performance. Use the <+> and <-> keys to adjust the value.

Pull-In of CHA/B PH1/2/3/4 [Disabled]

Set this item to [Enabled] to apply enhancement on DRAM Channel A and B, Phase
1 to 4. The number of phases is determined by DRAM frequency and FSB strap.

Conguration options: [Disabled] [Enabled]

ASUS P5Q SE2 2-15

CPU Voltage [Auto]

Allows you to set the CPU VCore voltage. The values range from 0.8500V to 1.7500V with a

0.00625V interval. Conguration options: [Auto]

Refer to the CPU documentation before setting the CPU Vcore voltage. Setting a high
VCore voltage may damage the CPU permanently, and setting a low VCore voltage may
make the system unstable.

FSB Termination Voltage [Auto]

Allows you to set the front side bus termination voltage. The values range from 1.20V to

1.50V with a 0.10V interval.

The minimum value becomes 1.10V and the maximum value becomes 1.40V when a 45nm
CPU is detected.

Memory Voltage [Auto]

Allows you to set the memory voltage manually or Auto. Use the <+> and <-> keys to adjust
the value. The value ranges from 1.80V to 2.20V with a 0.10V interval.

North Bridge Voltage [Auto]

Allows you to set the NB voltage manually or Auto. Use the <+> and <-> keys to adjust the
value. The value ranges from 1.10V to 1.40V with a 0.10V interval.

Setting a very high voltage may damage the component permanently, and setting a very
low voltage may cause the system to become unstable.

South Bridge Voltage [Auto]

Allows you to set the SB voltage. The value ranges from 1.50V to 1.70V with a 0.20V interval.

CPU GTL Reference [Auto]

Allows you to set the CPU GTL voltage reference. Conguration options: [Auto] [0.667x]
[0.65x] [0.63x] [0.615x]

CPU Spread Spectrum [Auto]

Allows you to set the CPU spread spectrum. Conguration options: [Auto] [Disabled]

PCIE Spread Spectrum [Auto]

Allows you to set the PCIE spread spectrum. Conguration options: [Auto] [Disabled]

CPU Clock Skew [Auto]

Allows you to set the CPU clock skew. Conguration options: [Auto] [Normal] [Delay 75ps]
[Delay 150ps] [Delay 225ps] [Delay 300ps] [Delay 375ps] [Delay 450ps] [Delay 525ps]
[Delay 600ps] [Delay 675ps] [Delay 750ps] [Delay 825ps] [Delay 900ps] [Delay 975ps]
[Delay 1050ps] [Delay 1100ps]

NB Clock Skew [Auto]

Allows you to set the NB clock skew. Conguration options: [Auto] [Normal] [Delay 75ps]
[Delay 150ps] [Delay 225ps] [Delay 300ps] [Delay 375ps]

2-16 Chapter 2: BIOS setup

[Delay 450ps] [Delay 525ps] [Delay 600ps] [Delay 675ps] [Delay 750ps]
[Delay 825ps] [Delay 900ps] [Delay 975ps] [Delay 1050ps] [Delay 1100ps]

CPU Margin Enhancement [Optimized]

Conguration options: [Optimized] [Compatible]

2.5 Advanced menu

The Advanced menu items allow you to change the settings for the CPU and other system
devices.

Take caution when changing the settings of the Advanced menu items. Incorrect eld

values can cause the system to malfunction.

Main Ai Tweaker Advanced Power Boot Tools Exit

CPU Conguration
Chipset
Onboard Devices Conguration
USB Conguration
PCIPnP

2.5.1 CPU Conguration

The items in this menu show the CPU-related information that the BIOS automatically
detects.

CPU Ratio Setting [Auto]

Sets the ration between CPU core clock and the FSB frequency.

If an invalid ratio is set in CMOS, then the actual and set values may differ.

BIOS SETUP UTILITY

Congure CPU.

Key in ratio numbers directly.

C1E Support [Enabled]

Allows you to enable or disable C1E Support. Conguration options: [Disabled] [Enabled]

Max CPUID Value Limit [Disabled]

Setting this item to [Enabled] allows legacy operating systems to boot even without support
for CPUs with extended CPUID functions. Conguration options: [Disabled] [Enabled]

Intel® Virtualization Technology [Enabled]

Enables or disables Intel® Virtualization Technology. Virtualization enhanced by Intel®

Virtualization Technology allows a platform to run multiple operating systems and applications
in independent partitons. With virtualization, one computer system can function as multiple
virtual systems. Conguration options: [Enabled] [Disabled]

CPU TM function [Enabled]

Enables or disables Intel® CPU Thermal Monitor (TM) function, a CPU overheating protection
function. When enabled, the CPU core frequency and voltage are reduced when the CPU

overheats. Conguration options: [Disabled] [Enabled]

ASUS P5Q SE2 2-17

Execute-Disable Bit Capability [Enabled]

Allows you to enable or disable the No-Execution Page Protection Technology. Setting this
item to [Disabled] forces the XD feature ag to always return to zero (0).

Conguration options: [Disabled] [Enabled]

The following item appears only when you installed an Intel® Pentium® 4 or later CPU that
supports the Enhanced Intel® SpeedStep® Technology (EIST).

Intel® SpeedStep® Technology [Enabled]

Allows you to use the Enhanced Intel® SpeedStep® Technology. When set to [Enabled], you
can adjust the system power settings in the operating system to use the EIST feature. Set
this item to [Disabled] if you do not want to use the EIST.

Conguration options: [Enabled] [Disabled]

2.5.2 Chipset

The Chipset menu allows you to change the advanced chipset settings. Select an item then
press <Enter> to display the sub-menu.

North Bridge Conguration

Memory Remap Feature [Enabled]

Allows you to enabled or disable the remapping of the overlapped PCI memory above the
total physical memory. Enable this option only when you install 64-bit operating system.

Conguration options: [Disabled] [Enabled]

Memory Hole [Disabled]

Allows you to congure the memory hole. Conguration options: [Disabled] [15MB-16MB]

Initiate Graphic Adapter [PEG/PCI]

Allows you to decide which graphics controller to use as the primary boot device.

Conguration options: [PCI/PEG] [PEG/PCI]

2.5.3 Onboard Devices Conguration

High Denition Audio [Enabled]

Allows you to enable or disable the High Denition Audio. The following item appears only
when you enable this item. Conguration options: [Enabled] [Disabled]

Front Panel Type [HD Audio]

Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or
high-denition audio depending on the audio standard that the front panel audio
module supports. Conguration options: [AC97] [HD Audio]

Marvell IDE controller [Enabled]

Allows you to disable or enable the onboard Marvell® IDE controller.

Conguration options: [Enabled] [Disabled]

Onboard PCIE GbE LAN [Enabled]

Conguration options: [Enabled] [Disabled]

2-18 Chapter 2: BIOS setup

LAN Option ROM [Disabled]

This item appears only when you enable the Onboard PCIE GbE LAN item.

Conguration options: [Disabled] [Enabled]

Serial Port1 Address [3F8/IRQ4]

Allows you to select the Serial Port1 base address.

Conguration options: [Disabled] [3F8/IRQ4] [2F8/IRQ3] [3E8/IRQ4] [2E8/IRQ3]

2.5.4 USB Conguration

The items in this menu allows you to change the USB-related features. Select an item then
press <Enter> to display the conguration options.

The USB Devices Enabled item shows auto-detected values. If no USB device is
detected, the item shows None.

USB Functions [Enabled]

Allows you to enable or disable the USB functions.Conguration options: [Disabled] [Enabled]

USB 2.0 Controller [Enabled]

Allows you to enable or disable the USB 2.0 controller.

Conguration options: [Enabled] [Disabled]

USB 2.0 Controller Mode [HiSpeed]

Allows you to set the USB 2.0 controller mode to HiSpeed (480 Mbps) or FullSpeed (12
Mbps). This item appears only when you enable the USB 2.0 Controller item.

Conguration options: [FullSpeed ] [HiSpeed ]

BIOS EHCI Hand-off [Enabled]

Allows you to enable support for operating systems without an EHCI hand-off feature.

Conguration options: [Disabled] [Enabled]

Legacy USB Support [Auto]

Allows you to enable or disable support for legacy USB devices. Setting to [Auto] allows
the system to detect the presence of USB devices at startup. If detected, the USB controller
legacy mode is enabled. If no USB device is detected, the legacy USB support is disabled.

Conguration options: [Disabled] [Enabled] [Auto]

2.5.5 PCI PnP

The PCI PnP menu items allow you to change the advanced settings for PCI/PnP devices.

Take caution when changing the settings of the PCI PnP menu items. Incorrect eld values

can cause the system to malfunction.

Plug And Play O/S [No]

When set to [No], BIOS congures all the devices in the system. When set to [Yes] and if
you install a Plug and Play operating system, the operating system congures the Plug and
Play devices not required for boot.Conguration options: [No] [Yes]

ASUS P5Q SE2 2-19

2.6 Power menu

The Power menu items allow you to change the settings for the Advanced Power
Management (APM). Select an item then press <Enter> to display the conguration options.

Main Ai Tweaker Advanced Power Boot Tools Exit

Suspend Mode [Auto]

ACPI 2.0 Support [Disabled] ACPI APIC Support [Enabled]

APM Conguration
Hardware Monitor

BIOS SETUP UTILITY

Select the ACPI state
used for System
Suspend.

2.6.1 Suspend Mode [Auto]

Allows you to select the Advanced Conguration and Power Interface (ACPI) state to be used
for system suspend. Conguration options: [S1 (POS) Only] [S3 Only] [Auto]

[S1(POS) Only] -

Enables the system to enter the ACPI S1 (Power on Suspend) sleep
state. In S1 sleep state, the system appears suspended and stays in a low power
mode. The system can be resumed at any time.
[S3 Only] - Enables the system to enter the ACPI S3 (Suspend to RAM) sleep state
(default). In S3 sleep state, the system appears to be off and consumes less power
than in the S1 state. When signaled by a wake-up device or event, the system resumes
to its working state exactly where it was left off.

[Auto] -

Detected by OS.

2.6.2 ACPI 2.0 Support [Disabled]

Allows you to add more tables for Advanced Conguration and Power Interface (ACPI) 2.0
specications. Conguration options: [Disabled] [Enabled]

2.6.3 ACPI APIC Support [Enabled]

Allows you to enable or disable the Advanced Conguration and Power Interface (ACPI)

support in the Advanced Programmable Interrupt Controller (APIC). When set to Enabled,
the ACPI APIC table pointer is included in the RSDT pointer list.

Conguration options: [Disabled] [Enabled]

2.6.4 APM Conguration

Restore On AC Power Loss [Power Off]

When set to [Power Off], the system goes into off state after an AC power loss. When set
to [Power On], the system goes on after an AC power loss. When set to [Last State], the
system goes into either off or on state, whatever the system state was before the AC power

loss. Conguration options: [Power Off] [Power On] [Last State]

Power On By RTC Alarm [Disabled]

Allows you to enable or disable RTC to generate a wake event. When this item is set to
Enabled, the items RTC Alarm Date/ RTC Alarm Hour/ RTC Alarm Minute/ RTC Alarm

Second will become user-congurable with set values.
Conguration options: [Disabled] [Enabled]

2-20 Chapter 2: BIOS setup

Power On By External Modems [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.

Conguration options: [Disabled] [Enabled]

The computer cannot receive or transmit data until the computer and applications are fully

running. Thus, connection cannot be made on the rst 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 On By PCI Devices [Disabled]

Allows you to enable or disable the PME to wake up from S5 by PCI devices.

Conguration options: [Disabled] [Enabled]

Power On By PCIE Devices [Disabled]

Allows you to enable or disable the PCIE devices to generate a wake event.

Conguration options: [Disabled] [Enabled]

Power On By PS/2 Keyboard [Disabled]

Allows you to disable the Power On by PS/2 keyboard function or set specic keys on

the PS/2 keyboard to turn on the system. This feature requires an ATX power supply that
provides at least 1A on the +5VSB lead.

Conguration options: [Disabled] [Space Bar] [Ctrl-Esc] [Power Key]

Power On By PS/2 Mouse [Disabled]

When set to [Enabled], this parameter allows you to use the PS/2 mouse to turn on the
system. This feature requires an ATX power supply that provides at least 1A on the +5VSB

lead. Conguration options: [Disabled] [Enabled]

2.6.5 Hardware Monitor

CPU Temperature [xxxºC/xxxºF]
MB Temperature [xxxºC/xxxºF]

The onboard hardware monitor automatically detects and displays the motherboard and CPU
temperatures. Select [Ignored] if you do not wish to display the detected temperatures.

CPU Fan Speed [xxxxRPM] or [Ignored]

The onboard hardware monitor automatically detects and displays the CPU fan speed in

rotations per minute (RPM). If the fan is not connected to the motherboard, the eld shows

N/A.

CPU Q-Fan Control [Disabled]

Allows you to enable or disable the CPU Q-Fan controller.

Conguration options: [Disabled] [Enabled]

CPU Fan Profile [Standard]

Allows you to set the appropriate performance level of the CPU Q-Fan.

Conguration options: [Standard] [Silent] [Turbo]

The CPU Fan Prole item appears when you enable the CPU Q-Fan Control feature.

ASUS P5Q SE2 2-21

Chassis Fan Speed [xxxxRPM] or [Ignored] / [N/A]

The onboard hardware monitor automatically detects and displays the chassis fan speed in

rotations per minute (RPM). If the fan is not connected to the motherboard, the eld shows

N/A.

Power Fan Speed [xxxxRPM] or [Ignored] / [N/A]

The onboard hardware monitor automatically detects and displays the power fan speed in

rotations per minute (RPM). If the fan is not connected to the motherboard, the eld shows

N/A.

CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage [xxxxV] or [Ignored]

The onboard hardware monitor automatically detects the voltage output through the onboard
voltage regulators. Select [Ignored] if you do not want to detect this item.

2.7 Boot menu

The Boot menu items allow you to change the system boot options. Select an item then
press <Enter> to display the sub-menu.

Main Ai Tweaker Advanced Power Boot Tools Exit

Boot Device Priority

Boot Settings Conguration
Security

BIOS SETUP UTILITY

Species the Boot
Device Priority
sequence.

A virtual oppy disk
drive (Floppy Drive B:)
may appear when you set
the CD-ROM drive as the
rst boot device.

2.7.1 Boot Device Priority

1st ~ xxth Boot Device

These items specify the boot device priority sequence from the available devices. The
number of device items that appears on the screen depends on the number of devices

installed in the system. Conguration options: [1st FLOPPY DRIVE] [Hard Drive]
[ATAPI CD-ROM] [Disabled]

2.7.2 Boot Settings Conguration

Quick Boot [Enabled]

Enabling this item allows the BIOS to skip some power on self tests (POST) while booting to
decrease the time needed to boot the system. When set to [Disabled], BIOS performs all the

POST items. Conguration options: [Disabled] [Enabled]

Full Screen Logo [Enabled]

This allows you to enable or disable the full screen logo display feature. Conguration
options: [Disabled] [Enabled]

Set this item to [Enabled] to use the ASUS MyLogo2™ feature.

AddOn ROM Display Mode [Force BIOS]

Sets the display mode for option ROM. Conguration options: [Force BIOS] [Keep Current]

2-22 Chapter 2: BIOS setup

Bootup Num-Lock [On]

Allows you to select the power-on state for the NumLock.

Conguration options: [Off] [On]

PS/2 Mouse Support [Auto]

Allows you to enable or disable support for PS/2 mouse.

Conguration options: [Disabled] [Enabled] [Auto]

Wait For ‘F1’ If Error [Enabled]

When set to Enabled, the system waits for the F1 key to be pressed when error occurs.

Conguration options: [Disabled] [Enabled]

Hit ‘DEL’ Message Display [Enabled]

When set to [Enabled], the system displays the message Press DEL to run Setup during

POST. Conguration options: [Disabled] [Enabled]

Interrupt 19 Capture [Disabled]

When set to [Enabled], this function allows the option ROMs to trap Interrupt 19.

Conguration options: [Disabled] [Enabled]

2.7.3 Security

The Security menu items allow you to change the system security settings. Select an item
then press <Enter> to display the conguration options.

Change Supervisor Password

Select this item to set or change the supervisor password. The Supervisor Password item
on top of the screen shows the default Not Installed. After you set a password, this item
shows Installed.

To set a Supervisor Password:

1. Select the Change Supervisor Password

2. From the password box, type a password composed of at least six letters and/or

numbers, then press <Enter>.

3. Conrm the password when prompted.

The message Password Installed appears after you successfully set your password.
To change the supervisor password, follow the same steps in setting a supervisor password.
To clear the supervisor password, select the Change Supervisor Password then press

<Enter>. The message Password uninstalled appears.

item.

If you forget your BIOS password, you can clear it by erasing the CMOS Real Time Clock
(RTC) RAM. See section 1.9 Jumpers for information on how to erase the RTC RAM.

After you have set a supervisor password, the other items appear to allow you to change
other security settings.

User Access Level [Full Access]

This item allows you to select the access restriction to the Setup items.

Conguration options: [No Access] [View Only] [Limited] [Full Access]

[No Access] ­[View Only] -

ASUS P5Q SE2 2-23

prevents user access to the Setup utility.

allows access but does not allow change to any eld.

[Limited] - allows changes only to selected elds, such as Date and Time.
[Full Access] -

allows viewing and changing all the elds in the Setup utility.

Change User Password

Select this item to set or change the user password. The User Password item on top of the
screen shows the default Not Installed. After you set a password, this item shows Installed.

To set a User Password:

1. Select the Change User Password

item.

2. From the password box, type a password composed of at least six letters and/or

numbers, then press <Enter>.

3. Conrm the password when prompted.

The message Password Installed appears after you set your password successfully.
To change the user password, follow the same steps in setting a user password.

Clear User Password

Select this item to clear the user password.

Password Check [Setup]

When set to [Setup], BIOS checks for user password when accessing the Setup utility. When
set to [Always], BIOS checks for user password both when accessing Setup and booting the

system. Conguration options: [Setup] [Always]

2.8 Tools menu

The Tools menu items allow you to congure options for special functions. Select an item
then press <Enter> to display the sub-menu.

Main Ai Tweaker Advanced Power Boot Tools Exit

ASUS EZ Flash 2

Express Gate [Enabled] Enter OS Timer [10 Seconds] Reset User Data [No]

AI NET 2
ASUS O.C. Prole

BIOS SETUP UTILITY

Press ENTER to run
the utility to select
and update BIOS.
This utility doesn't

support :

1.NTFS format

2.8.1 ASUS EZ Flash 2

Allows you to run ASUS EZ Flash 2. When you press <Enter>, a conrmation message
appears. Use the left/right arrow key to select between [Yes] or [No], then press <Enter> to

conrm your choice. See section 2.1.3 for details.

2.8.2 Express Gate [Enabled]

Allows you to enable or disable the ASUS Express Gate feature. The ASUS Express Gate
feature is a unique instant-on environment that provides quick access to the Internet browser

and Skype. Conguration options: [Enabled] [Disabled]

2-24 Chapter 2: BIOS setup

Enter OS Timer [10 Seconds]

Sets countdown duration that the system waits at the Express Gate’s rst screen

before starting Windows or other installed OS. Choose [Prompt User] to stay at the

rst screen of Express Gate for user action.
Conguration options: [Prompt User] [1 second] [3 seconds] [5 seconds]
[10 seconds] [15 seconds] [20 seconds] [30 seconds]

Reset User Data [No]

Allows you to clear Express Gate’s user data.
Conguration options: [No] [Reset]

When setting this item to [Reset], ensure to save the setting to the BIOS so that the
user data will be cleared the next time you enter the Express Gate. User data includes

the Express Gate’s settings as well as any personal information stored by the web

browser (bookmarks, cookies, browsing history, etc.). This is useful in the rare case
where corrupt settings prevent the Express Gate environment from launching properly.

The rst time wizard will run again when you enter the Express Gate environment after

clearing its settings.

2.8.3 AI NET 2

Check Realtek LAN cable [Disabled]

Enables or disables checking of the Realtek LAN cable during the Power-On Self-Test

(POST). Conguration options: [Disabled] [Enabled]

2.8.4 ASUS O.C. Prole

Save to Proe 1/2

Allows you to save the current BIOS le to the BIOS Flash. Press <Enter> to save the le.

Load from Prole 1/2

Allows you to load the previous BIOS settings saved in the BIOS Flash. Press <Enter> to

load the le.

Start O.C. Prole

Allows you to run the utility to save and load CMOS. Press <Enter> to run the utility.

• This function supports devices such as USB ash disks and oppy disks with FAT

32/16 format and single partition only.

• DO NOT

ASUS P5Q SE2 2-25

shut down or reset the system while updating the BIOS to prevent the

system boot failure!

2.9 Exit menu

Exit system setup
after saving the
changes.

F10 key can be used
for this operation.

The Exit menu items allow you to load the optimal or failsafe default values for the BIOS
items, and save or discard your changes to the BIOS items.

Main Ai Tweaker Advanced Power Boot Tools Exit

Exit Options

Exit & Save Changes

Exit & Discard Changes
Discard Changes

Load Setup Defaults

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 nished making your selections, choose this option from the Exit menu to

ensure the values you selected are saved to the CMOS RAM. An onboard backup battery
sustains the CMOS RAM so it stays on even when the PC is turned off. When you select this

option, a conrmation window appears. Select OK to save changes and exit.

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 elds other than System Date, System Time, and
Password, the BIOS asks for a conrmation before exiting.

Discard Changes

This option allows you to discard the selections you made and restore the previously saved
values. After selecting this option, a conrmation appears. Select OK to discard any changes
and load the previously saved values.

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 conrmation window appears.
Select OK to load default values. Select Exit & Save Changes or make other changes
before saving the values to the non-volatile RAM.

BIOS SETUP UTILITY

2-26 Chapter 2: BIOS setup