Asus P5N-EM User Manual

Motherboard

P5N-EM HDMI

ii

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.

E3488

First Edition
March 2008

iii

Contents

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

Safety information ..................................................................................... vii

About this guide ....................................................................................... viii

P5N-EM HDMI specications summary ..................................................... x

Chapter 1: Product introduction

1.1 Welcome! ...................................................................................... 1-2

1.2 Package contents .........................................................................

1-2

1.3 Special features ............................................................................

1-2

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

1-2

1.3.2 ASUS Special features ...................................................

1-4

1.4 Before you proceed .....................................................................

1-5

1.5 Motherboard overview .................................................................

1-6

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

1-6

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

1-6

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

1-7

1.6 Central Processing Unit (CPU) ...................................................

1-8

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

1-8

1.6.2 Installling the CPU heatsink and fan ..............................

1-11

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

1-13

1.7 System memory .........................................................................

1-15

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

1-15

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

1-15

1.7.3 DDR2 Qualied Vendors List ........................................

1-16

1.7.4 Installing a DIMM ..........................................................

1-19

1.7.5 Removing a DIMM ........................................................

1-19

1.8 Expansion slots ..........................................................................

1-20

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

1-20

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

1-20

1.8.3 Interrupt assignments ...................................................

1-21

1.8.4 PCI slots ........................................................................

1-23

1.8.5 PCI Express x1 slot .......................................................

1-23

1.8.6 PCI Express x16 Slot ...................................................

1-23

1.9 Jumpers ......................................................................................

1-24

1.10 Connectors .................................................................................

1-26

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

1-26

iv

Contents

1.10.2 Internal connectors ....................................................... 1-28

Chapter 2: BIOS setup

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

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

2-2

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

2-5

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

2-6

2.1.4 Updating the BIOS ..........................................................

2-7

2.1.5 Saving the current BIOS le ............................................

2-9

2.1.6 ASUS CrashFree BIOS 2 utility ....................................

2-10

2.2 BIOS setup program ..................................................................

2-12

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

2-13

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

2-13

2.2.3 Legend bar ....................................................................

2-14

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

2-14

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

2-14

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

2-14

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

2-15

2.2.8 General help .................................................................

2-15

2.3 Main menu ..................................................................................

2-16

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

2-16

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

2-16

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

2-16

2.3.4 Primary IDE Master/Slave .............................................

2-17

2.3.5 SATA 1-4 .......................................................................

2-19

2.3.6 HDD SMART Monitoring ..............................................

2-20

2.3.7 Installed Memory ..........................................................

2-20

2.3.8 Usable Memory ............................................................

2-20

2.4 Advanced menu .........................................................................

2-21

2.4.1 JumperFree ...................................................................

2-21

2.4.2 CPU Conguration ........................................................

2-24

2.4.3 Chipset ..........................................................................

2-25

2.4.4 PCIPnP .........................................................................

2-25

2.4.5 Onboard Device Conguration ......................................

2-26

2.4.6 USB Conguration ........................................................

2-29

2.5 Power menu ................................................................................

2-30

v

Contents

2.5.1 ACPI Suspend Type ..................................................... 2-30

2.5.2 ACPI APIC Support ......................................................

2-30

2.5.3 APM Conguration ........................................................

2-30

2.5.4 Hardware Monitor .........................................................

2-33

2.6 Boot menu ..................................................................................

2-34

2.6.1 Boot Device Priority ......................................................

2-34

2.6.2 Removable Drives .........................................................

2-34

2.6.3 Hard Disk Drives ...........................................................

2-35

2.6.4 Boot Settings Conguration .........................................

2-35

2.6.5 Security .........................................................................

2-37

2.7 Tools menu .................................................................................

2-38

ASUS EZ Flash 2 ......................................................................... 2-38

2.8 Exit menu ....................................................................................

2-39

Chpater 3: Software Support

3.1 Installing an operating system ................................................... 3-2

3.2 Support CD information ..............................................................

3-2

3.2.1 Running the support CD .................................................

3-2

3.2.2 Drivers menu ...................................................................

3-3

3.2.3 Utilities menu ..................................................................

3-4

3.2.4 Make Disk menu .............................................................

3-5

3.2.5 Manual menu ..................................................................

3-6

3.2.6 ASUS Contact information ..............................................

3-7

3.2.7 Other information ............................................................

3-7

3.3 Creating a RAID driver disk .........................................................

3-9

Appendix: CPU features

A.1 Enhanced Intel SpeedStep® Technology (EIST) ........................A-2

A.1.1 System requirements ......................................................

A-2

A.1.2 Using the EIST ................................................................

A-2

A.2 Intel

®

Hyper-Threading Technology ...........................................A-4

Using the Hyper-Threading Technology ........................................ A-4

vi

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.

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.

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.

vii

Safety information

Electrical safety

•

To prevent electrical shock hazard, disconnect the power cable from the

electrical outlet before relocating the system.

•

When adding or removing devices to or from the system, ensure that the power
cables for the devices are unplugged before the signal cables are connected. If
possible, disconnect all power cables from the existing system before you add
a device.

•

Before connecting or removing signal cables from the motherboard, ensure
that all power cables are unplugged.

•

Seek professional assistance before using an adpater or extension cord.
These devices could interrupt the grounding circuit.

•

Make sure that your power supply is set to the correct voltage in your area. If
you are not sure about the voltage of the electrical outlet you are using, contact
your local power company.

•

If the power supply is broken, do not try to 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.

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

viii

About this guide

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

the motherboard.

How this guide is organized

This manual contains the following parts:

• Chapter 1: Product introduction

This chapter describes the features of the motherboard and the new
technology it supports. It also lists the hardware setup procedures that you
have to perform when installing system components. It includes description of
the jumpers and connectors on the motherboard.

• 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.

• Chapter 3: Software support

This chapter describes the contents of the support CD that comes with the
motherboard package.

• Appendix: CPU features

This Appendix describes the CPU features that the motherboard supports.

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.

ix

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.

NOTE: Tips and additional information to help you complete a

task.

IMPORTANT: Instructions that you MUST follow to 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:

format A:/S

x

P5N-EM HDMI specications summary

(continued on the next page)

CPU LGA775 socket for Intel® Core™ 2 Quad / Core™ 2 Duo /

Pentium® D / Pentium® 4 / Celeron® processors
Compatible with Intel® 06 / 05B / 05A processors
Supports Intel® next generation 45nm CPU
Supports Enhanced Intel SpeedStep® Technology (EIST)
Supports Intel® Hyper-Threading Technology
*Refer to www.asus.com for Intel CPU support list

Chipset North Bridge: NVIDIA GeForce 7100 / nForce 630i

Front Side Bus 1333 / 1066 / 800 / 533 MHz

Memory Single-channel memory architecture

3 x 240-pin DIMM sockets support unbufferred non-ECC
DDR2-1066 (overclocking) / 800 / 667 / 533 memory

modules
Supports up to 4 GB system memory

Expansion Slots 1 x PCI Express x16 slot

1 x PCI Express x1 slot

2 x PCI slots

Audio Realtek ALC883 8-channel CODEC

Supports S/PDIF out interface
Supports jack-dectect and Anti Pop Function
Supports VISTA Premium OS

Storage Southbridge:

- 1 x Ultra DMA 133

- 4 x Serial ATA 3Gb/s devices

- RAID 0, RAID 1, RAID 0+1, RAID 5, and JBOD
conguration

LAN Gb LAN

USB Supports up to 10 USB 2.0 ports (6 ports at mid-board, 4

ports at rear panel

ASUS Special Features ASUS CrashFree BIOS 2

ASUS Q-Fan

ASUS EZ Flash 2
ASUS MyLogo 2

Rear panel 1 x DVI port*

1 x HDMI port*
1 x LAN (RJ-45) port
4 x USB 2.0 / 1.1 ports
1 x VGA port
1 x PS/2 keyboard port (purple)
1 x PS/2 mouse port (green)
8-channel audio I/O ports

Note*: Due to the chipset limitation, simultaneous output for DVI
and HDMI is not supported.

xi

P5N-EM HDMI specications summary

Internal connectors 1 x Floppy disk drive connector

1 x CD audio in connector

1 x 24-pin ATX power connector
1 x 4-pin ATX 12 V power connector
3 x USB connectors for additional six USB 2.0 ports
1 x S/PDIF out connector

1 x Chassis intrusion connector
1 x Front panel audio connector
1 x COM connector
1 x LPT connector
1 x CPU Fan connector
1 x Chassis fan connector
1 x Speaker conncetor
System panel connector

VGA GeForce 7100 GPU supports maximum resolution of

1920 x1440 bpp (@ 75Hz)

BIOS features 8 MB Flash ROM, Award BIOS, PnP, DMI2.0, WfM2.0,

ACPI v2.0a, SMBIOS 2.5

Power Requirement ATX power supply (with 24-pin and 4-pin 12V plugs)

ATX 12V 2.0 compliant

Manageability WOL, PXE, RPL, WOR by Ring, PME Wake UP

Support CD contents Drivers

ASUS PC Probe II
ASUS Update
Anti-virus software

Form factor MicroATX Form Factor: 9.6 in x 8.2 in (24.5 cm x 20.8 cm)

*Specications are subject to change without notice.

xii

1

Product

introduction

This chapter describes the motherboard
features and the new technologies
it supports.

1-2 Chapter 1: Product introduction

1.1 Welcome!

Thank you for buying an ASUS® P5N-EM HDMI 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 P5N-EM HDMI motherboard

Cables 1 x Serial ATA cable
1 x Serial ATA power cable
1 x Ultra DMA 133 / 100 / 66 / 33 cable
1 x Floppy disk drive cable

Accessories I/O shield

Application CDs ASUS motherboard support CD

Documentation User guide

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

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.

LGA775 Intel® Quad-core Processor Ready

This motherboard supports the latest powerful and energy efcient processors

from Intel. Intel® Quad-core is based on the Intel Core Microarchitecture process
technology that allows users to step up to new levels of gaming experience and
multi-tasking performance.

Combined with 1333 / 1066 / 800 of front side bus (FSB), this motherboard
guarantees enhanced user experience in the digital home and ofce.

ASUS P5N-EM HDMI 1-3

Intel® Core™2 Processor Ready

This motherboard supports the latest Intel® Core™2 processor in the LGA775

package. With the new Intel® Core™ microarchitecture technology and 1333 / 1066 /

800 MHz FSB, Intel® Core™2 processor is designed to provide powerful and energy
efcient performance.

DDR2 memory support

The motherboard supports DDR2 memory that features data transfer rates of 533 /
667 / 800 / 1066 (overclocking) MHz to meet the higher bandwidth requirements of

the latest 3D graphics, multimedia, and Internet applications.

Serial ATA 3 Gb/s technology

This motherboard supports the next-generation hard drives based on the Serial

ATA (SATA) 3 Gb/s storage specication, delivering enhanced scalability and

doubling the bus bandwidth for high-speed data retrieval and saves. Easily backup
photos, videos and other entertainment contents to external devices. See page

1-28 for details.

S/PDIF digital sound ready

The motherboard supports the SONY-PHILIPS Digtal Interface function (S/PDIF­out) through the S/PDIF interface at mid-board. It allows to transfer digital audio

without converting to analog format and keeps the best signal quality. See page

1-30 for details.

8-Channel High Denition Audio

Enjoy high-end sound quality on your PC! The onboard 8-channel HD audio (High

Definition Audio, previously codenamed Azalia) CODEC enables high-quality
192KHz / 24-bit audio output, jack-detect feature.

HDMITM Interface

High-Deniton Multimedia Interface (HDMI) is the rst and only industry-supported,

uncompressed, all digital audio and video interface via a single cable and is HDCP
compliant allowing playback of HD DVD, Blu-ray Disc and other protected content.

1-4 Chapter 1: Product introduction

DVI Interface

DVI (Digital Visual Interface) provides high visual quality of digital display devices
such as LCD monitor. The interface of this motherboard is HDCP compliant,
allowing playback of HD DVD, Blu-ray Disc and other protected content.

Dual VGA Output

This motherboard supports Dual-VGA output (RGB & HDMI / DVI). HDMI / DVI

interface is compliant with HDCP.

1.3.2 ASUS Special features

ASUS Q-Fan technology

The ASUS Q-Fan technology smartly adjusts the fan speeds according to the

system loading to ensure quiet, cool, and efcient operation.
See page 2-33 for details.

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 2-36 for details.

ASUS EZ Flash 2

EZ Flash 2 is a user-friendly BIOS update utility. Simply press the predefined

hotkey to launch the utility and update the BIOS without entering the OS. Update

your BIOS easily without preparing a bootable diskette or using an OS-based ash
utility. See page 2-6 for details.

ASUS CrashFree BIOS 2

This feature allows you to restore the original BIOS data from the support CD in case
when the BIOS codes and data are corrupted. This protection eliminates the need to

buy a replacement BIOS chip. See page 2-10 for details.

ASUS P5N-EM HDMI 1-5

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 should shut down the system and unplug the power cable before
removing or plugging in any motherboard component. The illustration below
shows the location of the onboard LED.

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 to 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.

P5N-EMHDMI

R

P5N-EM HDMI Onboard LED

SB_PWR

ON

Standby

Power

OFF

Powered

Off

1-6 Chapter 1: Product introduction

1.5 Motherboard overview

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

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

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

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 (6) screws into the holes indicated by circles to secure the motherboard
to the chassis.

R

P5N-EMHDMI

Place this side towards
the rear of the chassis

ASUS P5N-EM HDMI 1-7

1.5.3 Motherboard layout

20.8cm (8.2in)

24.5cm (9.6in

)

R

DDR2 DIMM2 (64 bit,240-pin module)

DDR2 DIMM1 (64 bit,240-pin module)

DDR2 DIMM3 (64 bit,240-pin module)

PCI1

PCI2

PCIEX1_1

PCIEX16

EATXPWR

PRI_IDE

SATA2SATA1

SATA3SATA4

F_PANEL

SPEAKER

LPT

CHASSIS

P5N-EMHDMI

FLOPPY

CR2032 3V
Lithium Cell

CMOS Power

AAFP

Super I/O

USB56

USB78 USB910

SPDIF_OUT

8Mb
BIOS

ALC883

LAN_USB12

AUDIO

PS/2KBMS
T: Mouse
B: Keyboard

USB34

A

TX12V

PS2_USBPW

CLRTC

CD

LGA775

PWR_FAN

CHA_FAN

CPU_FAN

COM1

USBPW5-10

MCP73PV

SB_PWR

RTL

8211B

ASM
4136

HDMI

VGA_DVI

HDJ1

1-8 Chapter 1: Product introduction

1.6.1 Installling the CPU

To install a CPU:

1. Locate the CPU socket on the motherboard.

1.6 Central Processing Unit (CPU)

The motherboard comes with a surface mount LGA775 socket designed for the

Core™2 Quad / Core™2 Duo / Pentium® D / Pentium® 4 and Celeron

®

processors.

•

Your boxed Intel® Core™2 Quad / Core™2 Duo / Pentium® D / Pentium®
4 or Celeron® LGA775 processor package should come with installation
instructions for the CPU, fan and heatsink assembly. If the instructions in
this section do not match the CPU documentation, follow the latter.

• Upon purchase of the motherboard, ensure that the PnP cap is on the
socket and the socket pins are not bent. Contact your retailer immediately

if the PnP cap is missing, or if you see any damage to the PnP cap/socket
pins/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 pins resulting

from incorrect CPU installation/removal, or misplacement/loss/incorrect

removal of the PnP cap.

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

P5N-EMHDMI

R

P5N-EM HDMI CPU Socket 775

ASUS P5N-EM HDMI 1-9

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 (A),

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

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

2. Press the load lever with your thumb (A) and move it to the left (B) until it is

released from the retention tab.

Retention tab

Load lever

This side of the cam box
should face you.

PnP Cap

A

B

Load plate

A

B

1-10 Chapter 1: Product introduction

The CPU ts in only one correct orientation. DO NOT force the CPU into the

socket to prevent bending the connectors on the socket and damaging the CPU!

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

A

B

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

5. Position the CPU over
the socket, making sure
that the gold triangle is
on the bottom-left corner
of the socket. The socket

alignment key should t

into the CPU notch.

Alignment key

Gold triangle mark

ASUS P5N-EM HDMI 1-11

1.6.2 Installling the CPU heatsink and fan

The Intel

®

Core™ 2 Quad / Core™ 2 Duo / Pentium D / Pentium® 4 / Celeron® processor

require a specially designed heatsink and fan assembly to ensure optimum thermal
condition and performance.

• Install the motherboard to the chassis before you install the CPU fan and
heatsink assembly

• When you buy a boxed

Intel® Core™ 2 Quad / Core™ 2 Duo / Pentium D /

Pentium® 4 / Celeron® 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.

• Your

Intel® Core™ 2 Quad / Core™ 2 Duo / Pentium D / Pentium® 4 /
Celeron® LGA775 heatsink and fan assembly comes in a push-pin design
and requires no tool to install.

If you purchased a separate CPU heatsink and fan assembly, ensure that a
Thermal Interface Material is properly applied to the CPU heatsink or CPU
before you install the heatsink and fan assembly.

To install the CPU heatsink and fan:

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

Fastener

Motherboard hole

Ensure that each fastener is oriented as shown, with the narrow groove directed
outward.

1-12 Chapter 1: Product introduction

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

• We recommend you to install the chassis fan for better thermal state.

3. When the fan and heatsink assembly is in place, connect the CPU fan cable
to the connector on the motherboard labeled CPU_FAN.

2. Push down two fasteners at a time

in a diagonal sequence to secure
the heatsink and fan assembly in
place.

A

A

B

B

B

B

A

A

P5N-EMHDMI

R

P5N-EM HDMI

CPU Fan Connector

CPU_FAN

GND

CPU FAN PWR

CPU FAN IN

CPU F

AN PWM

ASUS P5N-EM HDMI 1-13

1.6.3 Uninstalling the CPU heatsink and fan

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

A

B

B

B

B

A

A

1-14 Chapter 1: Product introduction

4. Remove the heatsink and fan
assembly from the motherboard.

5. Rotate each fastener clockwise to
reset the orientation.

The narrow end of the
groove should point outward
after resetting. (The photo
shows the groove shaded for
emphasis.)

Narrow end of the groove

ASUS P5N-EM HDMI 1-15

1.7 System memory

1.7.1 Overview

The motherboard comes with three Double Data Rate 2 (DDR2) Dual Inline

Memory Modules (DIMM) sockets.

A DDR2 module has the same physical dimensions as a DDR DIMM but has a
240-pin footprint compared to the 184-pin DDR DIMM. DDR2 DIMMs are notched

differently to prevent installation on a DDR DIMM socket.

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

1.7.2 Memory congurations

You may install 256 MB, 512 MB, 1 GB and 2 GB unbuffered non-ECC DDR2

DIMMs into the DIMM sockets.

P5N-EMHDMI

R

P5N-EM HDMI 2

40-pin DDR2 DIMM Sockets

128 Pins

112 Pins

DIMM1

DIMM2

Sockets Color

DIMM1 Yellow

DIMM2, and DIMM3 Black

• The yellow socket supports maximum 2G memory modules.

• The total size supported by the two black sockets is 2G. You may install

one double-sided memory module into either the black socket, or two
single-sided memory modules into both black sockets.

• When installing two double-sided memory modules, you can only install

them into DIMM1 and DIMM2, or DIMM1 and DIMM3.

• When installing only one single-sided memory module, do not install it into

DIMM3; when installing two single-sided memory modules, do not install

them into DIMM1 and DIMM3 at the same time.

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

the same vendor. Refer to the DDR2 Qualied Vendors List at the ASUS

website (www.asus.com) for details.

1-16 Chapter 1: Product introduction

1.7.3 DDR2 Qualied Vendors List

The following table lists the memory modules that have been tested and qualied

for use with this motherboard. Visit the ASUS website (www.asus.com) for the

latest DDR2 DIMM modules for this motherboard.

DDR2 533 Qualied Vendors List

Size Vendor Part No. CL Chip

Brand

SS/

DS

Chip No. DIMM support

A* B* C*

256MB Kingston KVR533D2N4/256 N/A Elpida SS E5116AF-5C-E · · ·

512MB Kingston KVR533D2N4/512 N/A Inneon SS HYB18T512800AF3733336550 · · ·

1G Kingston KVR533D2N4/1G N/A Hynix DS HY5PS12821EFP-Y5 · ·

256MB Samsung M378T3253FG0-CD5 N/A Samsung SS K4T56083QF-GCD5 · ·

512MB Samsung M378T6553BG0-CD5 4 Samsung SS K4T51083QB-GCD5 ·

256MB HY HYMP532U64CP6-C4 AB 4 Hynix SS HY5PS121621CFP-C4 · · ·

512MB HY HYMP564U64BP8-C4 AB 4 Hynix SS HY5PS12821BFP-C4 · · ·

1G HY HYMP512U64CP8-C4 AB 4 Hynix DS HY5PS12821CFP-C4 · ·

512MB Micron MT 16HTF6464AG-53EB2 4 Micron DS D9BOM · ·

1G Micron MT 16HTF12864AY-53EA1 4 Micron DS D9CRZ ·

512MB Corsair VS512MB533D2 N/A Corsair DS MIII0052532M8CEC · ·

1G Corsair VS1GB533D2 N/A Corsair DS 64M8CFEGQIB0900718 · ·

512MB Elpida EBE51UD8ABFA-5C-E N/A Elpida SS E5108AB-5C-E · · ·

512MB Kingmax KLBC28F-A8KB4 N/A Kingmax SS KKEA88B4IAK-37 · · ·

512MB ADATA M2OAD2G3H3166I1B52 N/A ADATA SS AD29608A8A-37DG20719 · · ·

2G ADATA M20AD2H3J4170I1B53 N/A ADATA DS AD20908A8A-37DG30721 · ·

DDR2 667 Qualied Vendors List

Size Vendor Part No. CL Chip

Brand

SS/
DS

Chip No. DIMM support

A* B* C*

256MB Kingston KVR667D2N5/256 N/A Inneon SS HYB18T256800AF3SW65 33154 · · ·

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 · ·

512MB Samsung KR M378T6553CZ0-CE6 N/A Samsung SS K4T51083QC · · ·

512MB Samsung KR M378T6453FZ0-CE6 N/A Samsung DS K4T56083QF-ZCE6 ·

512MB Samsung M378T6553CZ3-CE6 N/A Samsung SS K4T51083QC-ZCE6 · · ·

1G Samsung M378T2953CZ3-CE6 N/A Samsung DS K4T51083QC-ZCE6 · ·

1G Samsung KR M378T2953CZ0-CE6 N/A Samsung DS K4T51083QC-ZCE6 ·

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

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

2G Qimonda HYS64T256020EU-3S-B 5 Qimonda DS HTB18T1G800BF-3S3VV10907 · ·

512MB Corsair VS512MB667D2 N/A Corsair SS 64M8CFEGPS0900647 · · ·

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

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

ASUS P5N-EM HDMI 1-17

DDR2 667 Qualied Vendors List

Size Vendor Part No. CL Chip Brand SS/

DS

Chip No. DIMM support

A* B* C*

1G Micron MT8HTF12864AY-667E1 5 Micron SS D9HNL 7ZE17 · · ·

256MB HY HYMP532U64CP6-Y5 AB 5 Hynix SS HY5PS121621CFP-Y5 · · ·

512MB HY HYMP564U64AP8-Y4 AA N/A Hynix SS HY5PS12821AFP-Y4 · ·

512MB HY HYMP564U64AP8-Y5 AA N/A Hynix SS HY5PS12821AFP-Y5 · ·

1G HY HYMP512U64AP8-Y5 AB N/A Hynix DS HY5PS12821AFP-Y5 ·

1G HY HYMP512U64CP8-Y5 AB 5 Hynix DS HY5PS12521CFP-Y5 · ·

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

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

512MB Apacer 78.91092.420 N/A Elpida SS E5108AE-6E-E · ·

512MB Apacer AU512E667C5KBGC 5 Apacer SS AM4B5708MIJS7E0627B · ·

512MB Apacer AU512E667C5KBGC 5 Apacer SS AM4B5708GQJS7E06332F · ·

512MB Apacer AU512E667C5KBGC 5 Apacer SS AM4B5708GQJS7E0632C · ·

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

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

1G Apacer AU01GE667C5KBGC 5 Apacer DS AM4B5708MIJS7E0627B · ·

512MB ADATA M20EL5G3H3160B1C0Z N/A Elpida SS E5108AE-6E-E · · ·

512MB ADATA M20AD5G3H3166I1C52 N/A ADATA SS AD29608A8A-3EG20648 · · ·

512MB ADATA M20AD5G3H3166I1C52 N/A ADATA SS AD29608A8A-3EG20718 · ·

1G ADATA M2OAD5G3I4176I1C52 N/A ADATA DS AD29608A8A-3EG20645 · ·

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

512MB VDATA M2GVD5G3H31A4I1C52 N/A VDATA SS VD29608A8A-3EC20615 · · ·

512MB VDATA M2GVD5G3H166I1C52 N/A VDATA SS VD29608A8A-3EG20637 · ·

1G VDATA M2GVD5G3I41P6I1C52 N/A VDATA DS VD29608A8A-3EG20627 · ·

1G VDATA M2GVD5G3I41C4I1C52 N/A VDATA DS VD29608A8A-3EC20620 · ·

1G VDATA M2GVD5G3I4176I1C52 N/A VDATA DS VD29608A8A-3EG20641 · ·

512MB PSC AL6E8E63B-6E1K 5 PSC SS A3R12E3GEF637BLC5N · · ·

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

1G PSC AL7E8E63B-6E1K 5 PSC DS A3R12E3GEF637BLC5N ·

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

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

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

256MB Nanya NT256T64UH4A1FY-3C N/A Nanya SS NT5TU32M16AG-3C · · ·

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

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

1G Kingtiger E0736001024667 N/A Kingtiger DS KTG667PS6408NST-C6 GDBTX · ·

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

1G Leadmaax LRMP512U64A8-Y5 N/A Hynix DS HY5PS12821CFP-Y5 C 702AA · ·

1-18 Chapter 1: Product introduction

DDR2 800 Qualied Vendors List

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 the yellow slot and the black
slots.

• C*: Supports the same modules of one-sided memory inserted in all slots.

Visit the ASUS website for the latest DDR2-533/667/800 MHz QVL.

Size Vendor Part No. CL Chip Brand SS/

DS

Chip No. DIMM support

A* B* C*

1G Kingston KHX6400D2LL/1G N/A Kingston DS Heat-Sink Package • •

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

512MB Kingston KVR800D2N5/512 N/A Promos SS V59C1512804QCF25SY032406PECPA • •

1G Kingston KHX6400D2K2/2G N/A Kingston DS Heat-Sink Package • •

512MB Samsung KR M378T6553CZ3-CE7 N/A Samsung SS K4T51083QC-ZCE7 • •

1G Samsung KR M378T2953CZ3-CE7 N/A Samsung DS K4T51083QC-ZCE7 • •

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

1G Qimonda HYS64T128020EU-2.5-B2 6 Qimonda DS HYB18T512800B2F25FSS28380 • •

1G Corsair XMS2-6400 4 Corsair DS Heat-Sink Package • •

1G Corsair XMS2-6400 5 Corsair DS Heat-Sink Package • •

512MB HY HYMP564U64AP8-S6 AA N/A Hynix SS HY5PS12821AFP-S6 • •

512MB HY HYMP564U64BP8-S5 AB N/A Hynix SS HY5PS12821BFP-S5 • • •

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

1G HY HYMP512U64AP8-S6 AA N/A Hynix DS HY5PS12821AFP-S6 • •

1G HY HYMP512U64BP8-S5 AB 5 Hynix DS HY5PS12821BFP-S5 • •

1G HY HYMP512U64CP8-S5 AB 5 Hynix DS HY5PS12821CFPS5 •

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

1G Kingmax KLDD48F-A8K15 N/A Kingmax DS KKA8FFIXF-HFS-25A • •

1G Apacer 78.01GA0.9K5 5 Apacer SS AM4B5808CQJS8E0749D • •

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

2G Apacer 78.A1GA0.9K4 5 Apacer DS AM4B5808CQJS8E0747D •

512MB ADATA M20AD6G3H3160I1E58 N/A ADATA SS AD29608A8A-25EG80720 • •

512MB VDATA M2GVD6G3H3160I1E53 N/A VDATA SS VD29608A8A-25EG30648 • •

1G VDATA M2GVD6G3I4170I1E53 N/A VDATA DS VD29608A8A-25EG30647 •

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

2G PSC AL8E8F73C-8E1 5 PSC DS A3R1GE3CFF734MAA0E •

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

ASUS P5N-EM HDMI 1-19

1.7.4 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.

To install a DIMM:

1. Unlock a DIMM socket by
pressing the retaining clips
outward.

2. Align a DIMM on the socket

such that the notch on the
DIMM matches the break on
the socket.

3. Firmly insert the DIMM into
the socket until the retaining
clips snap back in place and
the DIMM is properly seated.

1.7.5 Removing a DIMM

Follow these steps to remove a DIMM.

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

2. Remove the DIMM from the socket.

• 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.

• The DDR2 DIMM sockets do not support DDR DIMMs. DO not install DDR
DIMMs to the DDR2 DIMM sockets.

Support the DIMM lightly with

your ngers when pressing

the retaining clips. The DIMM
might get damaged when it

ips out with extra force.

Unlocked retaining clip

DDR2 DIMM notch

1

2

3

DDR2 DIMM notch

1

2

1

1-20 Chapter 1: Product introduction

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.

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.

1.8.2 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. Refer to the tables on the next page.

3. Install the software drivers for the expansion card.

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.

ASUS P5N-EM HDMI 1-21

1.8.3 Interrupt assignments

Standard interrupt assignments

* These IRQs are usually available for ISA or PCI devices.

IRQ Standard Function

0 High precision event timer

1 Standard 101/102-key or Microsoft PS/2 keyboard

4 Communicators Port (COM1)

6 Standard oppy disk controller

8 High precision event timer

9 Microsoft ACPI-Compliant System

12 PS/2 Compatible Mouse

13 Numeric data processor

11 NVIDIA nForce PCI System Management

20 Standard OpenHCD USB Host Controller

21 Microsoft UAA Bus Driver for High Denition Audio

21 Standard Dual Channel PCI IDE Controller

22 NVIDIA GeForce 7050 / nForce 630i

22 Standard Enhanced PCI to USB Host Controller

23 NVIDIA Network Bus Enumerator

1-22 Chapter 1: Product introduction

PIRQ1 PIRQ2 PIRQ3 PIRQ4 PIRQ5 PIRQ6 PIRQ7 PIRQ8

PCI slot 1 shared — — — — — — —

PCI slot 2 — shared — — — — — —

Onboard USB controller — — — — — — — —

Onboard USB 2.0 controller — — — — — — — —

Onboard IDE controller — — — — — — — —

Onboard HD Audio — — — — — — — —

PCI Express x16 slot — — — — — shared — —

PCI Express x1 slot — — — — shared — — —

Onboard SATA controller — — — — — — — —

Onboard LAN — — — — — — — —

Onboard VGA — — — — — — — —

IRQ assignments for this motherboard

MCP

_USB

MCP

_MAC

MCP

_AZA

MCP

_IGPU

MCP
_IDE

MCP

_USB2

MCP

_AHCI

PCI slot 1 — — — — — — —

PCI slot 2 — — — — — — —

Onboard USB controller shared — — — — — —

Onboard USB 2.0 controller — — — — — shared —

Onboard IDE controller — — — — shared — —

Onboard HD Audio — — shared — — — —

PCI Express x16 slot — — — — — — —

PCI Express x1 slot — — — — — — —

Onboard SATA controller — — — — — — shared

Onboard LAN — shared — — — — —

Onboard VGA — — — shared — — —

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

IRQ” or that the cards do not need IRQ assignments. Otherwise, conicts will

arise between the two PCI groups, making the system unstable and the card
inoperable.

Internal devices interrupt

External devices interrupt

ASUS P5N-EM HDMI 1-23

1.8.4 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. The gure shows a LAN

card installed on a PCI slot.

1.8.6 PCI Express x16 Slot

This motherboard supports one PCI

Express x16 graphics card. The gure

shows a graphics card installed on the
PCI Express x16 slot.

If you install a PCI graphics
card, we recommend that
you remove the onboard
graphics card driver.

1.8.5 PCI Express x1 slot

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

specications. The following gure

shows a network card installed on the
PCI Express x1 slot.

1-24 Chapter 1: Product introduction

1.9 Jumpers

1. Clear RTC RAM (CLRTC)

This jumper allows you to clear the Real Time Clock (RTC) RAM in
CMOS. You can clear the CMOS memory of date, time, and system setup
parameters by erasing the CMOS RTC RAM data. The 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. Remove the onboard battery.

3. 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.

4. Re-install the battery.

5. Plug the power cord and turn ON the computer.

6. Hold down the <Del> key during the boot process and enter BIOS setup to
re-enter data.

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

P5N-EMHDMI

R

P5N-EM HDMI Clear RTC RAM

CLRTC

Normal

Clear RTC

(Default)

1 2 2 3

ASUS P5N-EM HDMI 1-25

2. USB device wake-up (3-pin PS2_USBPW)

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).

P5N-EMHDMI

R

P5N-EM HDMI USB Device Wake Up

3

2

2

1

PS2_USBPW

(Defau

lt

)

+5

V

+5VSB

3

2

2

1

USBPW5-10

(Defau

lt

)

+5

V

+5VSB

• The USB device wake-up feature requires a power supply that can
provide 500mA on the +5VSB lead for each USB port; otherwise,
the system would not power up.

• The total current consumed must NOT exceed the power supply
capability (+5VSB) whether under normal condition or in sleep mode.

3. HDJ1

This jumper allows you to twitch between the HDMI and the DVI features. Set

this jumper to pins 1-2 (HDMI) to enable the HDMI feature. Set this jumper to
pins 2-3 to enable the DVI feature.

P5N-EMHDMI

P5N-EM HDMI

System Panel Connector

R

HDJ1

HDMI TXCON

DV

I T

XCON

1 2 2 3

HDM/DVI_TXCON 14

HDMI TXCOP

DV

I T

X

CO

P

HDM/DVI_TXCOP 14

HDMI TXDOP

DV

I T

X

DO

P

HDM/DVI_TXDOP 13

HDMI TXDON

DV

I T

X

DO

N

HDM/DVI_TX

DON

13

HDMI TXD2N

DV

I T

X

D2N

HDM/DVI_TX

D2N

14

HDMI TXD2P

DV

I T

X

D2

P

HDM/DVI_TXD2P 14

HDMI TXD1P

DV

I T

X

D1

P

HDM/DVI_TX

D1P

14

HDMI TXD1N

DV

I T

X

D1N

HDM/DVI_TXD1N 14

HDMI_SCL

DVI_SC

L

SCL

HDMI_SDA

DV

I

_SDA

HDMI TXCON

DV

I T

XCON

HDM/DVI_TXCON 14

HDMI TXCOP

DV

I T

X

CO

P

HDM/DVI_TXCOP 14

HDMI TXDOP

DV

I T

X

DO

P

HDM/DVI_TXDOP 13

HDMI TXDON

DV

I T

X

DO

N

HDM/DVI_TX

DON

13

HDMI TXD2N

DV

I T

X

D2

N

HDM/DVI_TX

D2N

14

HDMI TXD2P

DV

I T

X

D2

P

HDM/DVI_TXD2P 14

HDMI TXD1P

DV

I T

X

D1

P

HDM/DVI_TX

D1P

14

HDMI TXD1N

DV

I T

X

D1

N

HDM/DVI_TXD1N 14

HDMI_SCL

DVI_SC

L

HDMI_SDA

DV

I

_SDA

SDA

SCL

SDA

HDMI

DVI

(Default)

1-26 Chapter 1: Product introduction

1.10 Connectors

1.10.1 Rear panel connectors

1 3

2

465

7

8

91011121314

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

2. Video Graphics Adapter (VGA) port

. This 15-pin port is for a VGA monitor

or other VGA-compatible devices.

3. LAN (RJ-45) port. Supported by Marvell Gigabit LAN controller, this port

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

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. Center / Subwoofer port (orange).

This port connects the center /

subwoofer speakers.

6. Line In port (light blue)

. This port connects the tape, CD, DVD player, or

other audio sources.

7. 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.

8. Microphone port (pink).

This port connects a microphone.

9. Side Speaker Out port (gray)

. This port connects the side speakers in an

8-channel audio conguration.

Activity/Link LED Speed LED

Status Description Status Description

OFF No link OFF 10 Mbps connection

ORANGE Linked ORANGE 100 Mbps connection

BLINKING Data activity GREEN 1 Gbps connection

LAN port LED indications

SPEED

LED

ACT/LINK

LED

LAN port

ASUS P5N-EM HDMI 1-27

• This motherboard

comes with dual-VGA output. If you connect 2 monitors

to both VGA and DVI-D / HDMI out ports, each controller can drive same or

different display contents to different resolutions and refresh rates.

• To play HD DVD or Blu-Ray Disc, ensure to use an HDCP compliant
monitor.

Playback of HD DVD and Blu-Ray Discs

The speed and bandwidth of the CPU/Memory, DVD player, and drivers
will affect the playback quality. Using the CPU/Memory of higher speed and

bandwidth with the higher-version DVD player and drivers will upgrade the
playback quality.

14. PS/2 keyboard port (purple). This port is for a PS/2 keyboard.

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

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

are available for connecting USB 2.0 devices.

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

are available for connecting USB 2.0 devices.

12. DVI port. This port is for any DVI-D compatible device. DVI-D can’t be

converted to output RGB Signal to CRT and isn’t compatible with DVI-I.

13. HDMI port. This port is for a High-Denition Multimedia Interface (HDMI)

connector, and is HDCP compliant allowing playback of HD DVD, Blu-Ray
and other protected content

Port Headset

2-channel

4-channel 6-channel 8-channel

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 Out Rear Speaker Out

Gray – – – Side Speaker Out

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

1-28 Chapter 1: Product introduction

1.10.2 Internal connectors

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

This connector is for the provided 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 an FDD cable with a covered Pin 5.

P5N-EMHDMI

R

P5N-EM HDMI

Floppy Disk Drive Connector

NOTE:

Orient the red markings on

the floppy ribbon cable to PIN 1.

PIN 1

FLOPPY

2. Serial ATA connectors (7-pin SATA1, SATA2, SATA3, SATA4)

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

P5N-EMHDMI

R

P5N-EM HDMI

SATA

Connectors

GND
RSATA_TXP2
RSATA_TXN2

GND
RSATA_RXP2
RSATA_RXN2

GND

SATA2

GND
RSATA

_TXP1

RSATA

_TXN1

GND
RSATA_

RXP1

RSATA_

RXN1

GND

SATA1

GND

RSATA

_TXP3

RSATA

_TXN3

GND

RSATA_

RXP3

RSATA_

RXN3

GND

SATA3

GND

RSATA

_TXP4

RSATA

_TXN4

GND

RSATA_

RXP4

RSATA_

RXN4

GND

SATA4

ASUS P5N-EM HDMI 1-29

4. Speaker connector (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.

P5N-EMHDMI

R

P5N-EM HDMI Speaker Out Connector

SPEAKER

+5V

GND

GND

Speaker Out

1

3. IDE connector (40-1 pin PRI_IDE)

The onboard IDE connector is for Ultra DMA 133 / 100 / 66 / 33 signal cable.
There are three connectors on each Ultra DMA 100/66/33 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(s).

• 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 / 33 IDE

devices.

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

P5N-EMHDMI

R

P5N-EM HDMI

IDE Connector

PRI_IDE

Drive jumper setting Mode of

device(s)

Cable connector

Single device Cable-Select or Master - Black

Two devices Cable-Select Master

Black

Slave Gray

Master Master Black or gray

Slave Slave

1-30 Chapter 1: Product introduction

6. Digital Audio connector (4-1 pin SPDIF_OUT)

This connector is for the S/PDIF audio module to allow digital sound output.
Connect one end of the S/PDIF audio cable to this connector and the other
end to the S/PDIF module.

The S/PDIF out module is purchased separately.

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 a total of 1A~2.2A (26.4W max.)
at +12V. Connect the fan cables to the fan connectors on the motherboard,

making sure that the black wire of each cable matches the ground pin of the
connector.

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.

P5N-EMHDMI

R

P5N-EM HDMI

Fan Connectors

CPU_FAN

GND

CPU FAN PWR

CPU FAN IN

CPU F

AN PWM

PWR_FAN

GND

Rotation

+12V

CHA_FAN

GND

Rotation

+12V

P5N-EMHDMI

R

P5N-EM HDMI Digital Audio Connector

+5V

SPDIFOUT

GND

SPDIF_OUT

ASUS P5N-EM HDMI 1-31

7. ATX power connectors (24-pin EATXPWR and 4-pin ATX12V)

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.

•

Do not forget to connect the 4-pin ATX +12 V 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.

• Ensure that your power supply unit (PSU) can provide at least the
minimum power required by your system.

•

If you intent to use a PSU with 20-pin and 4-pin power plugs, ensure that
the 20-pin power plug can provide at least 15A on +12V and that the PSU
has a minimum power rating of 350 W. The system may become unstable

or may not boot up if the power is inadequate.

• You must install a PSU with a higher power rating if you intend to install
additional devices.

P5N-EMHDMI

R

EATXPWR

+3 Volts

+3 Volts

Ground

+5 Volts

+5 Volts

Ground

Ground

Power OK

+5V Standby

+12 Volts

-5 Volts

+5 Volts

+3 Volts

-12 Volts

Ground

Ground
Ground
PSON#

Ground

+5 Volts

+12 Volts

+3 Volts

+5 Volts

Ground

GND

+12V DC

GND

+12V DC

P5N-EM HDMI Front Panel Audio Connector

ATX12V

1-32 Chapter 1: Product introduction

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

This connector allows you to receive stereo audio input from sound sources
such as a CD-ROM, TV tuner, or MPEG card.

Enable the CD-IN function in the audio utility when using this connector.

9. USB connectors (10-1 pin USB56, USB78, USB910)

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 480 Mbps connection speed.

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

The USB module is purchased separately.

P5N-EMHDMI

R

P5N-EM HDMI

Internal Audio Connector

CD

(black)

Right Audio Channel

Left Audio Channel

Ground

Ground

P5N-EMHDMI

P5N-EM HDMI

USB 2.0 Connectors

USB78

USB+5V

USB_P8-

USB_P8+

GND

NC

USB+5V

USB_P7-

USB_P7+

GND

1

USB910

USB+5V

USB_P10-

USB_P10+

GND

NC

USB+5V

USB_P9-

USB_P9+

GND

1

USB56

USB+5V

USB_P6-

USB_P6+

GND

NC

USB+5V

USB_P5-

USB_P5+

GND

1

R

ASUS P5N-EM HDMI 1-33

11. 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 pins 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.

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

This connector is for a chassis-mounted front panel audio I/O module that

supports either HD Audio or legacy AC’97 audio standard.

•

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.

• By default, this connector is set to AC97 Audio. If you want to connect a

High Denition front panel audio module to this connector, set the Front
Panel Support Type item in the BIOS to [HD Audio]. See section “2.4.5

Onboard Device Conguration” for details.

P5N-EM HDMI Front Panel Audio Connector

P5N-EMHDMI

R

HP_HD

MIC2_L

HP_R

HP_L

MIC2_JD

Jack_Sense

MIC2_R

PRESENSE#

AGND

AAFP

Legacy AC’97-compliant

pin definition

NC

MIC2_L

Line out_R

Line out_L

NC

NC

MIC2_R

NC

AGND

Azalia-compliant

pin definition

P5N-EMHDMI

R

P5N-EM HDMI Intrusion Connector

CHASSIS

+5VSB_MB

Chassis Signal

GND

(Default)

1-34 Chapter 1: Product introduction

12. Serial port connectors (10-1 pin COM1)

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

The serial port bracket (COM1) is purchased separately.

P5N-EMHDMI

P5N-EM HDMI COM Port Connector

R

PIN1

COM1

13. LPT connector (26-1 pin LPT)

The LPT (Line Printing Terminal) connector supports devices such as a

printer. LPT standardizes as IEEE 1394, which is the parallel port interface on

IBM PC-compatible computers.

P5N-EMHDMI

R

P5N-EM HDMI

Parallel Port Connector

LPT

STB#

AFD

PD0ERR#

PD1

INIT

#

PD2SLIN#

PD3GND

PD4

1

GND

PD7

PD6

PD5

GND

GND

GND

ACK#

GND

BUSYPESLCT

GND

GND

ASUS P5N-EM HDMI 1-35

14. System panel connector (10-1 pin F_PANEL)

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 +HDLED)

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.

• ATX power button/soft-off button (2-pin PWRBTN)

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.

P5N-EMHDMI

P5N-EM HDMI

System Panel Connector

R

F_PANEL

Ground

PLED-

PWR

PLED+

GND

Reset

HDLED+

HDLED-

+HDLED

RESET

PLED

PWRBTN

1-36 Chapter 1: Product introduction

2

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

BIOS setup

2-2 Chapter 2: BIOS setup

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: Updates the BIOS in Windows® environment.

2.

ASUS EZ Flash 2: Updates the BIOS using a oppy disk/ USB ash disk or
the motherboard support CD / DVD.

3.

AwardBIOS Flash Utility: Updates the BIOS in DOS mode using a bootable

oppy disk.

4.

ASUS CrashFree BIOS 2: Updates the BIOS using a bootable oppy disk, or
the motherboard support CD when the BIOS le fails or gets corrupted.

Refer to the corresponding sections for details on these utilities.

Installing ASUS Update

To install ASUS Update:

1. Place the support CD / DVD in the optical drive. The Drivers menu appears.

2. Click the Utilities tab, then click Install ASUS Update VX.XX.XX. See page

3-4 for the Utilities screen menu.

3. The ASUS Update utility is copied to your system.

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 CD that comes with the motherboard
package.

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

Save a copy of the original motherboard BIOS le to a bootable oppy 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 P5N-EM HDMI 2-3

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

3. Select the ASUS FTP site nearest

you to avoid network trafc, or

click Auto Select. Click Next.

Updating the BIOS through the Internet

To update the BIOS through the Internet:

1. Launch the ASUS Update utility from the Windows

®

desktop by clicking Start

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

2. Select Update BIOS from
the Internet option from the
drop-down menu, then click Next.

2-4 Chapter 2: BIOS setup

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. The ASUS Update main
window appears.

2. Select Update BIOS from a le

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

3. Locate the BIOS le from the Open

window, then click Open.

4. Follow the screen instructions to
complete the update process.

4. From the FTP site, select the BIOS
version that you wish to download.
Click Next.

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

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

P5N-EM HDMI.bin

P5N-EM HDMI

ASUS P5N-EM HDMI 2-5

2.1.2 Creating a bootable oppy disk

1. Do either one of the following to create a bootable oppy disk.

DOS environment

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

b. At the DOS prompt, type

format A:/S then press <Enter>.

Windows® XP environment

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

b. Click

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

c. Select the 3 1/2 Floppy Drive icon.

d. Click

File from the menu, then select Format. A Format 3 1/2 Floppy

Disk window appears.

e. Windows

®

XP users: Select Create an MS-DOS startup disk from the

format options eld, then click Start.

Windows® Vista environment

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

drive.

b. Click

from the Windows® desktop, then select Computer.

c. Right-click

Floppy Disk Drive then click Format to display the

Format 3 1/2 Floppy dialog box.

d. Select the

Create an MS-DOS startup disk check box.

e. Click

Start.

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

disk.

2-6 Chapter 2: BIOS setup

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 Tests (POST).

To update the BIOS using EZ Flash 2:

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

the motherboard.

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

3. You can launch the EZ Flash 2 by two methods.

(1) Insert the oppy disk/USB ash disk that contains the BIOS le to

the oppy disk drive or the USB port.

Press <Alt> + <F2> during POST to display the following.

• This function can support devices such as USB ash disk, hard disk,
or oppy disk with FAT32/16/12 format only.

• Do not shut down or reset the system while updating the BIOS to
prevent system boot failure!

(2) Enter BIOS setup program. Go to the Tools menu to select EZ

Flash 2 and press <Enter> to enable it.

You can switch between drives by pressing <Tab> before the

correct le is found. 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 down.

ASUSTek EZ Flash 2 BIOS ROM Utility B326

Current ROM Update ROM

BOARD: P5N-EM HDMI
VER: 0115
DATE: 01/08/2008

BOARD: Unknown
VER: Unknown
DATE: Unknown

PATH: A:\

[Enter] Select [S] Save [ESC]Exit
[Tab]Switch [Up/Down/Home/End] Move

Note

FLASH TYPE: MXIC MX25L8005 8Mb SPI

A:

ASUS P5N-EM HDMI 2-7

2.1.4 Updating the BIOS

The Basic Input/Output System (BIOS) can be updated using the AwardBIOS

Flash Utility. Follow these instructions to update the BIOS using this utility.

1. Download the latest BIOS le from the ASUS web site. Rename the le to
P5N-EM HDMI.BIN and save it to a oppy disk, CD ROM or a USB ash disk
in FAT 16/12 format.

Save only the updated BIOS le in the oppy disk to avoid loading the wrong
BIOS le.

2. Copy the AwardBIOS Flash Utility (awdash.exe) from the Software folder of
the support CD to the oppy disk, CD ROM or a USB ash disk with the latest
BIOS le.

3. Boot the system in DOS mode using the bootable oppy disk, CD ROM or a
USB ash disk you created earlier.

4. Under the DOS mode, use <X:> (X stands for the name of the disk

assignment) to switch to the folder of the oppy disk, CD ROM or USB ash
disk you saved the BIOS le and the Award BIOS Flash Utility.

5. At the prompt, type

awdash then press

<Enter>. The Award
BIOS Flash Utility screen
appears.

6. Type the BIOS le name

in the File Name to

Program eld, then press

<Enter>.

AwardBIOS Flash Utility for ASUS V1.17

(C) Phoenix Technologies Ltd. All Rights Reserved

Message: Please input File Name!

For 690G-SB600-P5N-EM HDMI_H-00 DATE:
12/12/2006
Flash Type - Winbond W39V080A (8Mb)

File Name to Program:

AwardBIOS Flash Utility for ASUS V1.17

(C) Phoenix Technologies Ltd. All Rights Reserved

Message: Please input File Name!

For 690G-SB600-P5N-EM HDMI_H-00 DATE:
12/12/2006
Flash Type - Winbond W39V080A (8Mb)

File Name to Program: P5N-EM HDMI.bin

2-8 Chapter 2: BIOS setup

Do not turn off or reset the system during the ashing process!

9. The utility displays a
Flashing Complete
message indicating that
you have successfully

ashed the BIOS le.
Remove the oppy disk

then press <F1> to
restart the system.

AwardBIOS Flash Utility for ASUS V1.17

(C) Phoenix Technologies Ltd. All Rights Reserved

F1

Reset

For 690G-SB600-P5N-EM HDMI_H-00 DATE:
12/12/2006
Flash Type - Winbond W39V080A (8Mb)

File Name to Program: P5N-EM HDMI.bin
Flashing Complete

Press <F1> to Continue

Write OK No Update Write Fail

7. Press <N> when the utility prompts you to save the current BIOS le. The

following screen appears.

8. The utility veries the
BIOS le in the oppy

disk, CD ROM or a USB

ash disk and starts
ashing the BIOS le.

AwardBIOS Flash Utility for ASUS V1.17

(C) Phoenix Technologies Ltd. All Rights Reserved

Warning: Don’t Turn Off Power Or Reset System!

For 690G-SB600-P5N-EM HDMI_H-00 DATE:
12/12/2006
Flash Type - Winbond W39V080A (8Mb)

File Name to Program: P5N-EM HDMI.bin

Programming Flash Memory - OFE00 OK

Write OK No Update Write Fail

ASUS P5N-EM HDMI 2-9

4. The utility saves the

current BIOS le to the
oppy disk, then returns
to the BIOS ashing

process.

3. Type a lename for the
current BIOS le in the

Save current BIOS as

eld, then press <Enter>.

To save the current BIOS le using the AwardBIOS Flash Utility:

1. Follow steps 1 to 6 of the
previous section.

2. Press <Y> when the

utility prompts you to
save the current BIOS

le. The following screen

appears.

2.1.5 Saving the current BIOS le

You can use the AwardBIOS Flash Utility to save the current BIOS le. You can
load the current BIOS le when the BIOS le gets corrupted during the ashing

process.

AwardBIOS Flash Utility for ASUS V1.17

(C) Phoenix Technologies Ltd. All Rights Reserved

Message:

For 690G-SB600-P5N-EM HDMI_H-00 DATE:
12/12/2006
Flash Type - Winbond W39V080A (8Mb)

File Name to Program: 0113.bin

Save current BIOS as:

AwardBIOS Flash Utility for ASUS V1.17

(C) Phoenix Technologies Ltd. All Rights Reserved

Message: Please Wait!

For 690G-SB600-P5N-EM HDMI_H-00 DATE:
12/12/2006
Flash Type - Winbond W39V080A (8Mb)

File Name to Program: 0113.bin
Checksum: D800H
Save current BIOS as: 0112.bin

Ensure that the oppy disk, CD ROM or a USB ash disk has enough disk
space to save the le.

AwardBIOS Flash Utility for ASUS V1.17

(C) Phoenix Technologies Ltd. All Rights Reserved

Message: Please Wait!

For 690G-SB600-P5N-EM HDMI_H-00 DATE:
12/12/2006
Flash Type - Winbond W39V080A (8Mb)

File Name to Program: 0113.bin
Now Backup System BIOS to

File!

2-10 Chapter 2: BIOS setup

2.1.6 ASUS CrashFree BIOS 2 utility

The ASUS CrashFree BIOS 2 is an auto recovery tool that allows you to restore
the BIOS le when it fails or gets corrupted during the updating process. You can
update a corrupted BIOS le using the motherboard support CD or the oppy disk
that contains the updated BIOS le.

• Prepare the motherboard support CD, or the oppy disk containing the

updated motherboard BIOS before using this utility.

• Ensure that you rename the original or updated BIOS le in the oppy disk

or the USB ash disk to P5N-EMHDMI.ROM.

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 to the oppy disk

drive.

3. 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 found, the utility reads the BIOS le and starts ashing the corrupted

BIOS le.

Bad BIOS checksum. Starting BIOS recovery...

Checking for oppy...

Floppy found!

Reading le “P5N-EMHDMI.ROM”. Completed.
Start ashing...

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

4. Restart the system after the utility completes the updating process.

ASUS P5N-EM HDMI 2-11

Recovering the BIOS from the support CD

To recover the BIOS from the support CD:

1. Remove any oppy disk from the oppy disk drive, then turn on the system.

2. Insert the support CD to the optical drive.

3. 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...

Floppy not found!
Checking for CD-ROM...
CD-ROM found!

Reading le “P5N-EMHDMI.ROM”. Completed.
Start ashing...

When 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.

Bad BIOS checksum. Starting BIOS recovery...

Checking for oppy...

4. Restart the system after the utility completes the updating process.

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

Visit the ASUS website (www.asus.com) to download the latest BIOS le.

2-12 Chapter 2: BIOS setup

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.

If you wish 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.

• The default BIOS settings for this motherboard apply for 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 Default Settings item under the

Exit Menu. See section “2.8 Exit Menu.”

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

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

this motherboard.

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 to 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.

ASUS P5N-EM HDMI 2-13

2.2.1 BIOS menu screen

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

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 changing the system tools conguration

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.

• The BIOS setup screens shown in this chapter are for reference purposes
only, and may not exactly match what you see on your screen.

• Visit the ASUS website (www.asus.com) to download the latest BIOS
information.

Select Menu

Item Specic Help

Change the day, month,
year and century.

Legend bar

General helpMenu bar

Sub-menu items

Conguration eldsMenu items

Phoenix-AwardBIOS CMOS Setup Utility

Main Advanced Power Boot Tools Exit

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

System Time 0 : 7 : 28

System Date Tue, Jan 1 2008

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

Primary IDE Master [None]
Primary IDE Slave [None]
SATA1 [None]
SATA2 [None]
SATA3 [ST380817AS]
SATA4 [None]
HDD SMART Monitoring [Disabled]

Installed Memory 512MB

Usable Memory 383MB

2-14 Chapter 2: BIOS setup

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

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>.

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 user-con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.”

2.2.3 Legend bar

At the bottom of the Setup screen is a legend bar. The keys in the legend bar allow
you to navigate through the various setup menus. The following table lists the keys
found in the legend bar with their corresponding functions.

Navigation Key Function

<F1> Displays the General Help screen

<F5> Loads setup default values

<Esc> Exits the BIOS setup or returns to the main menu from a

sub-menu

Left or Right arrow Selects the menu item to the left or right

Up or Down arrow Moves the highlight up or down between elds

Page Down or – (minus) Scrolls backward through the values for the highlighted eld

Page Up or + (plus) Scrolls forward through the values for the highlighted eld

<Enter> Brings up a selection menu for the highlighted eld

<F10> Saves changes and exit

ASUS P5N-EM HDMI 2-15

2.2.7 Pop-up window

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

conguration options for that item.

2.2.8 General help

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

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

Phoenix-Award BIOS CMOS Setup Utility

Main Advanced Power Boot Tools Exit

Select Menu

Item Specic Help

Species the capacity and

physical size of diskette
drive A.

Pop-up menu

System Time 0 : 14 : 36
System Date Tue, Jan 1 2008

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

Primary IDE Master [ST321122A]
Primary IDE Slave [ASUS CDS520/A]
SATA1 [None]
SATA2 [None]
SATA3 [None]
SATA4 [None]
HDD SMART Monitoring [Disabled]

Installed Memory 512MB
Usable Memory 512MB

Legacy Diskette A:

Disabled ..... [ ]

720K , 3.5 in. ..... [ ]

1.44M, 3.5 in. ..... [ ]

↑↓ :Move ENTER:Accept ESC:Abort

2-16 Chapter 2: BIOS setup

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

Phoenix-Award BIOS CMOS Setup Utility

Main Advanced Power Boot Tools Exit

Select Menu

Item Specic Help

Change the day, month,
year and century.

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.

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.]

System Time 0 : 18: 36

System Date Tue, Jan 1 2008

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

Primary IDE Master [None]
Primary IDE Slave [None]
SATA1 [None]
SATA2 [None]
SATA3 [ST380817AS]
SATA4 [None]
HDD SMART Monitoring [Disabled]

Installed Memory 512MB

Usable Memory 383MB

ASUS P5N-EM HDMI 2-17

2.3.4 Primary IDE Master/Slave

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 (Capacity,
Cylinder, Head, Sector and Transfer Mode). These values are not user-

congurable. These items show N/A if no IDE device is installed in the system.

PIO Mode [Auto]

Sets the PIO mode for the IDE device. Conguration options: [Auto] [Mode 0]
[Mode 1] [Mode 2] [Mode 3] [Mode 4]

UDMA Mode [Auto]

Disables or sets the UDMA mode. Conguration options: [Disabled] [Auto]

Primary IDE Master/Slave [Auto]

Select [Auto] to automatically detect an IDE hard disk drive. If automatic detection

is successful, the BIOS automatically lls in the correct values for the remaining
elds on this sub-menu. If the hard disk was already formatted on a previous

system, the setup BIOS may detect incorrect parameters. Select [Manual] to
manually enter the IDE hard disk drive parameters. If no drive is installed select

[None]. Conguration options: [None] [Auto] [Manual]

Access Mode [Auto]

The default [Auto] allows automatic detection of an IDE hard disk drive.

Select [CHS] for this item if you set the Primary IDE Master/Slave to [Manual].
Conguration options: [CHS] [LBA] [Large] [Auto]

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

Phoenix-Award BIOS CMOS Setup Utility

Main

Select Menu

Item Specic Help

Primary IDE Master

PIO Mode [Auto]

UDMA Mode [Auto]

Primary IDE Master [Auto]

Access Mode [Auto]

Capacity 0 GB

Cylinder 0
Head 0
Sector 0
Transfer Mode None

2-18 Chapter 2: BIOS setup

Capacity

Displays the auto-detected hard disk capacity. This item is not congurable.

Cylinder

Shows the number of the hard disk cylinders. This item is not congurable.

Head

Shows the number of the hard disk read/write heads. This item is not congurable.

Sector

Shows the number of sectors per track. This item is not congurable.

Transfer Mode

Shows the Transfer mode. This item is not congurable.

After entering the IDE hard disk drive information into BIOS, use a disk utility,
such as FDISK, to partition and format new IDE hard disk drives. This is
necessary so that you can write or read data from the hard disk. Ensure to set
the partition of the Primary IDE hard disk drives to active.

Before attempting to congure a hard disk drive, ensure that you have the
correct conguration information supplied by the drive manufacturer. Incorrect
settings may cause the system to fail to recognize the installed hard disk.

ASUS P5N-EM HDMI 2-19

2.3.5 SATA 1-4

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

The BIOS automatically detects the values opposite the dimmed items (Capacity,

Cylinder, Head, Precomp, Landing Zone and Sector). These values are not user­congurable. These items show 0 if no SATA device is installed in the system.

Extended IDE Drive [Auto]

Selects the type of xed disk connected to the system.
Conguration options: [None] [Auto]

Access Mode [Auto]

Sets the sector addressing mode. Conguration options: [Large] [Auto]

Before attempting to congure a hard disk drive, ensure that you have the
correct conguration information supplied by the drive manufacturer. Incorrect
settings may cause the system to fail to recognize the installed hard disk.

Capacity

Displays the auto-detected hard disk capacity. This item is not congurable.

Cylinder

Shows the number of the hard disk cylinders. This item is not congurable.

Head

Shows the number of the hard disk read/write heads. This item is not congurable.

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

Phoenix-Award BIOS CMOS Setup Utility

Main

Select Menu

Item Specic Help

Slects the type of

xed disk connected

to the system.

SATA 1

Extended IDE Drive [Auto]

Access Mode [Auto]

Capacity 0 MB

Cylinder 0
Head 0
Landing Zone 0
Sector 0

2-20 Chapter 2: BIOS setup

Landing Zone

Shows the number of landing zone per track. This item is not congurable.

Sector

Shows the number of sectors per track. This item is not congurable.

2.3.6 HDD SMART Monitoring [Disabled]

Allows you to enable or disable the HDD Self-Monitoring Analysis and Reporting

Technology (SMART) feature. Conguration options: [Disabled] [Enabled]

2.3.7 Installed Memory [xxx MB]

Shows the size of installed memory.

2.3.8 Usable Memory [XXX MB]

Shows the size of usable memory.

After entering the IDE hard disk drive information into BIOS, use a disk utility,
such as FDISK, to partition and format new IDE hard disk drives. This is
necessary so that you can write or read data from the hard disk. Ensure to set
the partition of the Primary IDE hard disk drives to active.

ASUS P5N-EM HDMI 2-21

2.4 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.

Phoenix-Award BIOS CMOS Setup Utility

Main Advanced Power Boot Tools Exit

Select Menu

Item Specic Help

Jumperfree

CPU Conguration

Chipset
PCIPnP

Onboard Device Conguration
USB Conguration

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

2.4.1 JumperFree

Select Menu

Item Specic Help

System clock mode

[Auto]

Set FSB and memory

speed automatically.

[Linked]

Phoenix-AwardBIOS CMOS Setup Utility

Advanced

FSB - Memory Clock Mode [Auto]

Allows you to select the FSB memory clock mode. Conguration options: [Auto]

[Linked] [Unlinked]

FSB - Memory Ratio [Auto]

Allows you to select the FSB memory ratio. This item becomes user-

congurabled when the FSB - Memory Clock Mode item is set to [Linked].
Conguration options: [Auto] [1:1] [5:4] [3:2] [Sync Mode]

JumperFree

FSB - Memory Clock Mode [Auto]

x FSB - Memory Ratio Auto
x FSB (QDR), MHz Auto
Actual FSB (QDR), MHz 1066.7
x MEM (DDR), MHz Auto
Actual FSB (DDR), MHz 666.7

Memory Timing Setting

1.8VDual Over Voltage Control [1.880V]

2-22 Chapter 2: BIOS setup

FSB (QDR), MHz [Auto]

Allows you to adjust CPU FSB frequency from 400 to 2000. You may enter a
new value or use +/- keys to adjust. This item becomes user-congurabled

when the FSB - Memory Clock Mode item is set to [Linked] or [Unlinked].

The Actual FSB (QDR) reects the actual frequency that takes effect on a

reboot.

MEM (DDR), MHz [Auto]

Allows you to adjust the memory frequency from 400 to 1400. You may enter
a new value or use +/- keys to adjust. This item becomes user-congurabled

when the FSB - Memory Clock Mode item is set to [Unlinked].

The actual MEM (DDR) reects the actual frequency that takes effect on a

reboot.

Memory Timing Setting

Phoenix-Award BIOS CMOS Setup Utility

Advanced

Memory Timing Setting

Select Menu

Item Specic Help

Select [Expert] to
enter timings manually

The following items become user-congurable when the Memory Timing
Setting item is set to [Expert].

Memory Timing Setting [Optimal]

Allows you to set the memory timing setting. Conguration options: [Optimal]

[Expert]

tCL (CAS Latency) [Auto]

Allows you to set tCL (CAS Latency). Conguration options: [Auto] [1] [2] [3]

[4] [5] [6].

Memory Timing Setting [Optimal]

X tCL (CAS Latency) Auto

X tRCD Auto
X tRP Auto
X tRAS Auto
X Command Per Clock (CMD) Auto

** Advanced Memory Setting **
X rRRD Auto
X tRC Auto
X tWR Auto
X tWTR Auto
X tREF Auto

ASUS P5N-EM HDMI 2-23

tRCD [Auto]

Allows you to set RAS to CAS delay for a RD/WR command to the same
bank. Conguration options: [Auto] [1] [2] [3] [4] [5] [6] [7]

tRP [Auto]

Allows you to set the row precharge time Precharge-to-Active or Auto-

Refresh of the same bank. Conguration options: [Auto] [1] [2] [3] [4] [5] [6]

[7]

tRAS [Auto]

Allows you set the minimum RAS active time. Conguration options: [Auto]
[1] [2] [3] [4] [5] [6] [7]...[31]

Command Per Clock (CMD) [Auto]

Allows you to command timing setting (per clock unit). Conguration options:
[Auto] [1 clock] [2 clock]

**Advanced Memory Settings**

tRRD [Auto]

Allows you to set tRRD. Conguration options: [Auto] [1] [2] [3] [4] [5]

[6]...[15].

tRC [Auto]

Allows you set the RAS to RAS or auto refresh time of the same bank.

Conguration options: [Auto] [1] [2] [3] [4] [5] [6] [7]...[31]

tWR [Auto]

Allows you set the tWR. Conguration options: [Auto] [1] [2] [3] [4] [5] [6]

tWTR [Auto]

Allows you set the tWTR. Conguration options: [Auto] [1] [2] [3] [4] [5] [6]

[7]...[15]

tREF [Auto]

Allows you set the tREF. Conguration options: [Auto] [1] [2]

1.8VDual Over Voltage Control [1.880V]

Allows you to adjust +1.8V dual over voltage. Conguration options: [1.880V]
[1.920V] [1.962V] [2.002V] [2.057V] [2.095V] [2.139V] [2.179V]

2-24 Chapter 2: BIOS setup

2.4.2 CPU Conguration

Select Menu

Item Specic Help

Thermal Monitor 1 (On
die throtting)

ThermalMonitor 2
Ratio & VID transition
)

Phoenix-Award BIOS CMOS Setup Utility

Advanced

CPU Internal Thermal Control [Auto]

Enables or disables the CPU internal thermal control.

Conguration options: [Auto] [Disabled]

Limit CPUID MaxVal [Disabled]

Enables or disables the Limit CPUID MaxVal technology.

Conguration options: [Disabled] [Enabled]

Enhanced C1 (C1E) [Disabled]

Enables or disables the Enhanced C1 (C1E) technology. The process lowers the
core to bus ratio and VID when physical process enters an enhance C1 state.

Conguration options: [Enable] [Disabled]

Execute Disable Bit [Enabled]

Enables or disables the processor’s XD bit feature.

Conguration options: [Enabled] [Disabled]

Virtualization Technology [Enabled]

Enables or disables the Virtualization technology. When enabled, a VMM can
utilize the additional hardware capabilities provided by Vanderpool Technology.
Conguration options: [Enable] [Disabled]

CPU Multiplier [7X]

Allows you to set the CPU multiplier. Conguration options: [Min.=0.0] [Max.=50.0]

Enhanced Intel SpeedStep(tm) Tech [Enabled]

Enables or disables the Enhanced Intel SpeedStep technology to adjust CPU

speed according to CPU workload. Conguration options: [Disabled] [Enabled]

CPU Conguration

CPU Type Inter(R) Core(TM)2 CPU
6300 @ 1.86GHz
CPU Speed 1.86GHz
Cache RAM 2048K

CPU Internal Thermal Control [Auto]

Limit CPUID MaxVal [Disabled]
Enhanced C1 (C1E) [Disabled]
Execute Disable Bit [Enabled]
Virtualization Technology [Enabled]
CPU Multiplier [ 7 x]
Enhanced Intel SpeedStep(tm) Tech.[Enabled]

ASUS P5N-EM HDMI 2-25

Select Menu

Item Specic Help

Phoenix-Award BIOS CMOS Setup Utility

Advanced

Chipset

Spread Spectrum Control

Frame Buffer Size [128MB]
Primary Display Adapter [PCI-E]

2.4.3 Chipset

CPU/SATA/PCIE Spread Spectrum [Disabled]
Allows you to enable or disabled CPU/SATA/PCIE spread spectrum.
Conguration options: [Disabled] [Enabled]

Frame Buffer Size [128M]

Allows you to set the frame buffer size. Conguration options: [16M] [32M] [64M]
[128M] [256M]

Primary Display Adapter [PCI-E]

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

Confguration options: [PCI] [Onboard] [PCI-E]

Spread Spectrum Control

Phoenix-Award BIOS CMOS Setup Utility

Advanced

Spread Spectrum Control

Select Menu

Item Specic Help

Plug & Play O/S [No]

When set to [No], the 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]

2.4.4 PCIPnP

Phoenix-Award BIOS CMOS Setup Utility

Advanced

Select Menu

Item Specic Help

CPU Spread Spectrum [Disabled]

SATA Spread Spectrum [Disabled]

PCIE Spread Spectrum [Disabled]

PCIPnP

Plug & Play O/S [No]

2-26 Chapter 2: BIOS setup

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

Select Menu

Item Specic Help

Onboard Device Conguration

IDE Function Setup

Serial-ATA conguration

HD Audio Controller [Auto]
Front Panel Support Type [HD Audio]
HDMI Audio [Auto]
Intergade HDA Codec [SPDIF]
Onboard nVidia LAN [Enabled]
Onboard LAN Boot ROM [Disabled]
Serial Port1 Address [3F8/IRQ4]
Parallel Port Address [378/IRQ7]
Parallel Port Mode [ECP]

x EPP Mode Select EPP1.7

ECP Mode Use DMA [3]

Phoenix-Award BIOS CMOS Setup Utility

Advanced

2.4.5 Onboard Device Conguration

OnChip IDE Channel 0 [Enabled]

Allows you to enable or disable the OnChip IDE channel 0 controller.
Conguration options: [Disabled] [Enabled]

IDE DAM transfer access [Enabled]

Allows you to enable or disable IDE DMA transfer access .

Conguration options: [Disabled] [Enabled]

Serial-ATA Controller [Enabled]

Allows you to enable or disable the Serial-ATA controller.

Conguration options: [Disabled] [Enabled]

IDE Prefetch Mode [Enabled]

Allows you to enable or disable the IDE prefetch mode.

Conguration options: [Disabled] [Enabled]

IDE Function Setup

Select Menu

Item Specic Help

Phoenix-Award BIOS CMOS Setup Utility

Advanced

IDE Function Setup

OnChip IDE Channel0 [Enabled]

IDE DMA transfer access [Enabled]
Serial-ATA Controller [Enabled]

IDE Prefetch Mode [Enabled]

ASUS P5N-EM HDMI 2-27

SATA Operation Mode [IDE]

Allows you to select SATA operation mode. Conguration options: [IDE]

[RAID] [AHCI].

Serial-ATA conguration

Select Menu

Item Specic Help

Phoenix-Award BIOS CMOS Setup Utility

Advanced

Serial-ATA conguration

SATA Operation Mode [IDE]

X SATA 1 Disabled

X SATA 2 Disabled
X SATA 3 Disabled
X SATA 4 Disabled

The following items become user-congurable when the SATA Operation Mode
item is set to [RAID].

SATA 1 / 2 / 3 / 4 [Disabled]

Allows you to enable or disable SATA 1 / 2 / 3 / 4. Conguration options: [Disable]

[Enabled]

HD Audio Controller [Auto]

Allows you to enable or disable the HD Audio controller.

Conguration options: [Auto] [Disabled]

Front Panel Support 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]

HDMI Audio [Auto]

Allows you to enable or disable the HDMI Audio.

Conguration options: [Auto] [Disabled]

Intergade HDA Codec [SPDIF]

Allows you to select the intergade HDA Codec.

Conguration options: [HDMI] [SPDIF]

Onboard nVidia LAN [Enabled]

Allows you to enable or disable the onboard nVidia LAN device support.

Conguration options: [Disabled] [Enabled]

2-28 Chapter 2: BIOS setup

OnBoard LAN Boot ROM [Disabled]

Allows you to enable or disable the onboard LAN boot ROM.

Conguration options: [Enabled] [Disabled]

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] [Auto]

Parallel Port Address [378/IRQ7]

Allows you to select the Parallel Port address. Conguration options: [Disabled]
[378/IRQ7] [278/IRQ5] [3BC/IRQ7]

Parallel Port Mode [ECP]

Allows you to select the Parallel Port mode. Conguration options: [SPP] [EPP]

[ECP] [ECP+EPP] [Normal]

The “ECP Mode Use DMA” item becomes user-congurable when the Parallel
Port Mode item is set to [ECP] or [ECP+EPP]

The “EPP Mode Select” item becomes user-congurable when the Parallel Port
Mode item is set to [EPP] or [ECP+EPP]

EPP Mode Select [EPP1.7]

Allows you to select EPP mode. Conguration options: [EPP1.9] [EPP1.7]

ECP Mode Use DMA [3]

Allows you to select ECP mode use DMA. Conguration options: [1] [3]

ASUS P5N-EM HDMI 2-29

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.

USB Controller [Enabled]

Allows you to enable or disable the USB controller.

Conguration options: [Disabled] [Enabled]

USB 2.0 Controller [Enabled]

Allows you to enable or disable the USB 2.0 controller.
Conguration options: [Disabled] [Enabled]

USB Legacy Support [Enabled]

Allows you to enable or disable support for USB devices on legacy operating

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

Select Menu

Item Specic Help

Enable or Disable USB

1.1 and 2.0 Controller

Phoenix-Award BIOS CMOS Setup Utility

Advanced

2.4.6 USB Conguration

USB Conguration

USB Controller [Enabled]

USB 2.0 Controller [Enabled]
USB Legacy support [Enabled]

2-30 Chapter 2: BIOS setup

2.5.1 ACPI Suspend Type [S1&S3]

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

[S1&S3]

2.5.2 ACPI APIC Support [Enabled]

Allows you to enable or disable the Advanced Conguration and Power Interface
(ACPI) support in the Application-Specic Integrated Circuit (ASIC). When set

to Enabled, the ACPI APIC table pointer is included in the RSDT pointer list.

Conguration options: [Disabled] [Enabled]

2.5.3 APM Conguration

Select Menu

Item Specic Help

Press [Enter] to
select whether or not
to restart the system
after AC power loss

Phoenix-Award BIOS CMOS Setup Utility

Power

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

2.5 Power menu

The Power menu items allow you to change the settings for the Advanced

Conguration and Power Interface (ACPI) and the Advanced Power Management
(APM). Select an item then press <Enter> to display the conguration options.

Select Menu

Item Specic Help

Select the ACPI state
used for System
Suspend.

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

Phoenix-Award BIOS CMOS Setup Utility

Main Advanced Power Boot Tools Exit

ACPI Suspend Type [S1&S3]

ACPI APIC support Enabled

APM Conguration

HardWare Monitor

APM Conguration

Restore on AC Power Loss [Power-Off]

PWR Button < 4 secs [Instant-Off]

Power Up On PCI/PCIE Devices [Disabled]
Power On By External Modems [Disabled]
Power On by RTC Alarm [Disabled]

x Date (of Month) Alarm 0
x Alarm Time (hh:mm) 0 :0 : 0

HPET Support [Enabled]
Power On By Keyboard [Disabled]

Power On By PS/2 Mouse [Enabled]

ASUS P5N-EM HDMI 2-31

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.

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

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

PWR Button < 4 secs [Instant-Off]

Allows you to set the event after the power button is pressed for more than 4

seconds. Conguration options: [Suspend] [Instant-Off]

Power Up On PCI/PCIE Devices [Disabled]

Allows you to enable or disable the PME to wake up from S5 by PCI/PCIE devices
& NV Onboard LAN. Conguration options: [Disabled] [Enabled]

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]

Power On By RTC Alarm [Disabled]

Allows you to enable or disable the power on by RTC alarm.

Conguration options: [Disabled] [Enabled]

The following items become user-congurable when the Power On By RTC

Alarm item is set to [Enabled].

To set the date of alarm, highlight this item and press <Enter> to display the

Date of Month Alarm pop-up menu. Key-in a value within the specied range
then press <Enter>. Conguration options: [Min=0] [Max=31]

2-32 Chapter 2: BIOS setup

Alarm Time (hh:mm) [0:0:0]

To set the time of alarm:

1. Highlight this item and press <Enter> to display a pop-up menu for the

hour eld.

2. Key-in a value (Min=0, Max=23), then press <Enter>.

3. Press <TAB> to move to the minutes eld then press <Enter>.

4. Key-in a minute value (Min=0, Max=59), then press <Enter>.

5. Press <TAB> to move to the seconds eld then press <Enter>.

6. Key-in a value (Min=0, Max=59), then press <Enter>.

HPET Support [Enabled]

Allows you to enable or disable HPET (Hardware Precision Efcient Timer)

support. The HPET support increases the performance of Vista Multimedia player.

Conguration options: [Disabled] [Enabled]

Power On By Keyboard [Disabled]

Allows you to set power on by keyboard. Conguration options: [Disabled] [Ctrl-

ESC] [Space Bar] [Power Key]

Power On By PS/2 Mouse [Disabled]

Allows you to enable or disable PS/2 mouse power on the system.
Conguration options: [Disabled] [Enabled]

ASUS P5N-EM HDMI 2-33

CPU Target Temperature [60 ºC / 140 ºF]

Allows you to adjust the CPU target temperature. Conguration options: [10
ºC / 50ºF] [15 ºC / 59 ºF] [20 ºC / 68 ºF]...[85 ºC / 185 ºF].

CPU/MB Temperature

The onboard hardware monitor automatically detects and displays the motherboard

and CPU temperatures. These items are not user-congurable.

CPU/Chassis Fan Speed [xxxxRPM]

The onboard hardware monitor automatically detects and displays the CPU,
and Chassis fan speeds in rotations per minute (RPM). If any of the fans is not

connected to the motherboard, the eld shows 0. These items are not user­congurable.

Vcore, Vcc 12, Vcc 3.3V, 5V

The onboard hardware monitor automatically detects the voltage output through

the onboard voltage regulators. Conguration options: [xxx] [Ignored]

CPU Fan Speed warning [600 RPM]

Sets the CPU fan speed warning feature. Conguration options: [Disabled]
[600RPM] [1200RPM] [1600RPM]

2.5.4 Hardware Monitor

The items in this sub-menu displays the hardware monitor values automatically
detected by the BIOS. It also allows you to change CPU Q-Fan feature-related

parameters. Select an item then press <Enter> to display the conguration options.

Select Menu

Item Specic Help

Enable or Disable Q
FAN function

Phoenix-Award BIOS CMOS Setup Utility

Power

Q-Fan Function [Disabled]

Allows you to enable or disable the Q-Fan function.

Conguration options: [Disabled] [Enabled]

The following item becomes user-congurable when the Q-Fan Function item

is set to [Enabled].

Hardware Monitor

Q-Fan Function [Disabled]

x CPU Target Temperature [60ºC/140ºC]

CPU Temperature 48ºC/93ºF
MB Temperature 37ºC/98ºF

CPU Fan Speed 2909 RPM
Chassis Fan Speed 0 RPM

Vcore [1.36V]
Vcc 12V [12.14V]
Vcc 3.3V [3.18V]
Vcc 5V [5.05V]
CPU Fan Speed Warning [600 RPM]

2-34 Chapter 2: BIOS setup

1st ~ 4th Boot Device [Removable]

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: [Removable] [Hard Disk] [CDROM] [Disabled]

2.6 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.

Phoenix-Award BIOS CMOS Setup Utility

Main Advanced Power Boot Tools Exit

Select Menu

Item Specic Help

Select Boot Device
Priority

Boot Device Priority

Removable Drives
Hard Disk Drives

Boot Settings Conguration

Security

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

2.6.1 Boot Device Priority

Select Menu

Item Specic Help

Select Your Boot
Device Priority

Phoenix-Award BIOS CMOS Setup Utility

Power

2.6.2 Removable Drives

1. Floppy Disks

Allows you to assign a removable drive attached to the system.

Select Menu

Item Specic Help

Removable Drives

1. Floppy Disks

Phoenix-Award BIOS CMOS Setup Utility

Boot

Boot Device Priority

1st Boot Device [Removable]

2nd Boot Device [Hard Disk]
3rd Boot Device [CDROM]
4th Boot Device [Disabled]

ASUS P5N-EM HDMI 2-35

1. 2nd SATA-S; xxxxxxxx

Allows you to assign a hard disk drive attached to the system.

2.6.3 Hard Disk Drives

Select Menu

Item Specic Help

Hard Disk Drives

1. 2nd SATA-S: XXXXXXXXX

Phoenix-Award BIOS CMOS Setup Utility

Boot

2.6.4 Boot Settings Conguration

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

Select Menu

Item Specic Help

Allows the system to
skip certain tests
while booting. This
will decrease the
time needed to boot
the
system

Phoenix-Award BIOS CMOS Setup Utility

Boot

Quick Boot [Enabled]

Allows you to enable or disable the system quick boot feature. When Enabled,

the system skips certain tests while booting. Conguration options: [Disabled]

[Enabled]

Boot Up Floppy Seek [Disabled]

Enables or disables the chassis open status feature. Setting to Enabled, clears the

chassis open status. Conguration options: [Disabled] [Enabled]

Bootup Num-Lock [On]

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

Conguration options: [Off] [On]

Boot Settings Conguration

Quick Boot [Enabled]

Boot Up Floppy Seek [Disabled]
Bootup Num-Lock [On]
Typematic Rate Setting [Disabled]

x Typematic Rate (Chars/Sec) 6
x Typematic Delay (Msec) 250

Full Screen LOGO [Enabled]
Halt On [All Errors]

2-36 Chapter 2: BIOS setup

Typematic Rate (Chars/Sec) [6]

Allows you to select the rate at which a character repeats when you hold a

key. Conguration options: [6] [8] [10] [12] [15] [20] [24] [30]

Typematic Delay (Msec) [250]

Allows you to set the delay before keystrokes begin to repeat. Conguration
options: [250] [500] [750] [1000]

Full Screen LOGO [Enabled]

Allows you to enable or disable the full screen logo display feature.

Conguration options: [Disabled] [Enabled]

Typematic Rate Setting [Disabled]

Allows you to set the keystroke rate. Enable this item to congure the Typematic
Rate (Chars/Sec) and the Typematic Delay (Msec).
Conguration options: [Disabled] [Enabled]

The items Typematic Rate (Chars/Sec) and Typematic Delay (Msec) become
user-congurable only when the item Typematic Rate Setting is enabled.

Halt On [All Errors]

Allows you to error report type. Conguration options: [All Errors] [No Errors] [All,
But Keyboard] [All, But Diskette] [All, But Disk/Key]

Ensure that the above item is set to [Enabled] if you want to use the ASUS

MyLogo2™ feature.

ASUS P5N-EM HDMI 2-37

2. Press any key to continue. The password eld setting is changed to Clear.

A note about passwords
The Supervisor password is required to enter the BIOS Setup program

preventing unauthorized access. The User password is required to boot the
system preventing unauthorized use.

Forgot your password?

If you forget your password, you can clear it by erasing the CMOS Real Time
Clock (RTC) RAM. The RAM data containing the password information is
powered by the onboard button cell battery. If you need to erase the CMOS
RAM, refer to section “1.9 Jumpers” for instructions.

Password Check

This eld requires you to enter the password before entering the BIOS setup or the

system. Select [Setup] to require the password before entering the BIOS Setup.
Select [System] to require the password before entering the system.

Conguration options: [Setup] [System]

2.6.5 Security

Select Menu

Item Specic Help

Security

Supervisor Password Clear

User Password Clear

Password Check [Setup]

Phoenix-Award BIOS CMOS Setup Utility

Boot

PASSWORD DISABLED !!!
Press any key to continue...

Supervisor Password
User Password

These elds allow you to set passwords:

To set a password:

1. Select an item then press <Enter>.

2. Type in a password using a combination of a maximum of eight (8) alpha-

numeric characters, then press <Enter>.

3. When prompted, conrm the password by typing the exact characters again,
then press <Enter>. The password eld setting is changed to Set.

To clear the password:

1. Select the password eld and press <Enter> twice. The following message

appears:

2-38 Chapter 2: BIOS setup

2.7 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.

Phoenix-Award BIOS CMOS Setup Utility

Main Advanced Power Boot Tools Exit

Select Menu

Item Specic Help

Press [Enter] to Run
ASUS EX Flash 2

ASUS EZ Flash 2

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

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. Please see page 2-6, section 2.1.3 for

details.

ASUSTek EZ Flash 2 BIOS RROM Utility B326

Current ROM Update ROM

BOARD: P5N-EM HDMI
VER: 0115
DATE: 01/08/2008

BOARD: Unknown
VER: Unknown
DATE: Unknown

PATH: A:\M2NPVOC

A:

C:

[Enter] Select [S] Save [ESC]Exit

[Tab] Switch [Up/Down/Home/End] Move

Note

WIN98SE <DIR>
NETTERM <DIR>
DRIVERS <DIR>
RECYCLED <DIR>
WUTEMP <DIR>
NEWFOL~1 <DIR>
INSTALL <DIR>
TEST-REB <DIR>
MSDOWNLD.TMP <DIR>

FLASH TYPE: MXIC MX25L8005 8MB SPI

WIN98E <DIR>

ASUS P5N-EM HDMI 2-39

Select Menu

Item Specic Help

This option save data
to CMOS and exiting
the setup menu.

Phoenix-Award BIOS CMOS Setup Utility

Main Advanced Power Boot Tools Exit

Exit & Save Changes

Exit & Discard Changes
Load Setup Default
Discard Changes

F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults
ESC: Exit →←: Select Menu Enter: Select SubMenu F10: Save and Exit

2.8 Exit menu

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.

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 YES 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.

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 YES to load default values. Select Exit & Save Changes
or make other changes before saving the values to the non-volatile RAM.

Discard Changes

This option allows you to discard the selections you made and restore the

previously saved values. After selecting this option, a conrmation appears. Select

YES to discard any changes and load the previously saved values.

If you attempt to exit the Setup program without saving your changes, the
program prompts you with a message asking if you want to save your changes
before exiting. Press <Enter> to save the changes while exiting.

Pressing <Esc> does not immediately exit this menu. Select one of the options

from this menu or <F10> from the legend bar to exit.

Select Menu

Item Specic Help

This option save data
to CMOS and exiting
the setup memu.

2-40 Chapter 2: BIOS setup

3

Software

support

This chapter describes the contents
of the support CD that comes with the
motherboard package.

3-2 Chapter 3: Software support

If Autorun is NOT enabled in your computer, browse the contents of the support

CD to locate the le ASSETUP.EXE from the BIN folder. Double-click the

ASSETUP.EXE to run the CD.

Click an item to install

3.1 Installing an operating system

This motherboard supports Windows® 32-bit XP / 32-bit Vista / 64-bit XP / 64­bit Vista Operating Systems (OS). Always install the latest OS version and

corresponding updates to maximize the features of your hardware.

3.2 Support CD information

The support CD that came with the motherboard package contains the drivers,
software applications, and utilities that you can install to avail all motherboard
features.

3.2.1 Running the support CD

Place the support CD to the optical drive. The CD automatically displays the
Drivers menu if Autorun is enabled in your computer.

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

• Ensure that you install the Windows

®

XP Service Pack 1 or later versions

before installing the drivers for better compatibility and system stability.

The contents of the support CD are subject to change at any time without
notice. Visit the ASUS website(www.asus.com) for updates.

Click an icon to display
support CD/motherboard
information

3-3ASUS P5N-EM HDMI

3.2.2 Drivers menu

The drivers menu shows the available device drivers if the system detects installed
devices. Install the necessary drivers to activate the devices.

ASUS InstAll-Drivers Installation Wizard

Installs the ASUS InstAll-Drivers Installation Wizard.

NVIDIA nForce Chipset Driver

Install the NVIDIA nForce chipset driver.

Realtek Audio Driver

Install the Realtek audio driver.

NVIDIA HDMI Driver Program

Installs the NVIDIA® HDMI Driver program.

The screen display and drivers option may not be the same for different
operating system versions.

3-4 Chapter 3: Software support

3.2.3 Utilities menu

The Utilities menu shows the applications and other software that the motherboard
supports.

ASUS InstAll - Installation Wizard for Utilities

Install all of the utilities through the Installation Wizard.

ASUS PC Probe II

This smart utility monitors the fan speed, CPU temperature, and system voltages,
and alerts you of any detected problems. This utility helps you keep your computer
in healthy operating condition.

ASUS Update

The ASUS Update utility allows you to update the motherboard BIOS in a
Windows® environment. This utility requires an Internet connection either through a
network or an Internet Service Provider (ISP).

ASUS Splendid

Install the ASUS Splendid.

The screen display and utilities option may not be the same for different
operating system versions.

3-5ASUS P5N-EM HDMI

3.2.4 Make Disk menu

The Make Disk menu allows you to make a RAID driver disk.

NVIDIA 32/64 bit Vista SATA RAID Driver

Allows you to create the NVIDIA® 32/64-bit Vista SATA RAID disk.

NVIDIA 32/64 bit XP SATA RAID Driver

Allows you to create the NVIDIA® 32/64-bit XP SATA RAID disk.

NVIDIA 32/64 bit Vista AHCI Driver

Allows you to create the NVIDIA® 32/64-bit Vista AHCI disk.

NVIDIA 32/64 bit XP AHCI Driver

Allows you to create the NVIDIA® 32/64-bit XP AHCI disk.

3-6 Chapter 3: Software support

NVIDIA® SATA RAID User’s Manual

Allows you to open the NVIDIA® SATA RAID user’s manual.

3.2.5 Manual menu

The Manual menu contains a list of supplementary user manuals. Click an item to
open the folder of the user manual.

Most user manual les are in Portable Document Format (PDF). Install the

Adobe® Acrobat® Reader from the Utilities menu before opening a user manual

le.

3-7ASUS P5N-EM HDMI

3.2.6 ASUS Contact information

Click the Contact tab to display the ASUS contact information. You can also nd

this information on the inside front cover of this user guide.

3.2.7 Other information

The icons on the top right corner of the screen give additional information on the
motherboard and the contents of the support CD. Click an icon to display the

specied information.

Motherboard Info

Displays the general specications of the motherboard.

3-8 Chapter 3: Software support

Technical Support Form

Displays the ASUS Technical Support Request Form that you have to ll out when

requesting technical support.

Filelist

Displays the contents of the support CD and a brief description of each in text
format.

Browse this CD

Displays the support CD contents in graphical format.

3-9ASUS P5N-EM HDMI

3.3 Creating a RAID driver disk

A oppy disk with the RAID driver is required when installing Windows

®

32-bit XP /

32-bit Vista / 64-bit XP / 64-bit Vista OS on a hard disk drive that is included in a

RAID set.

To create a RAID driver disk:

1. Place the motherboard support CD into the CD-ROM drive.

2. Select Make Disk tab.

3. From the Make Disk menu, select the RAID driver disk you want to create or
browse the contents of the support CD to locate the driver disk utility.

For detailed descriptions on the NVIDIA® RAID conguration, refer to the
“NVIDIA® MediaShield RAID User’s Manual” found in your motherboard support
CD .

Due to chipset limitation, the Serial ATA ports supported by the NVIDIA chipset
does not support Serial Optical Disk Drives (Serial ODD) under DOS.

4. Insert oppy disk to oppy disk drive.

5. Follow the succeeding screen information to complete the process.

6. Write-protect the oppy disk to avoid computer virus infection.

To install the RAID driver:

1. During the OS installation, the system prompts you to press the F6 key to
install third-party SCSI or RAID driver.

2. Press <F6> then insert the oppy disk with RAID driver into the oppy disk

drive.

3. Follow the succeeding screen instructions to complete the installation.

3-10 Chapter 3: Software support

A

CPU features

The Appendix describes the CPU
features that the motherboard supports.

A-2 Appendix: CPU features

A.1 Enhanced Intel SpeedStep®

Technology (EIST)

A.1.1 System requirements

Before using EIST, check your system if it meets the following requirements:

• Intel

®

Pentium® 4 processor with EIST support

• BIOS le with EIST support

• Operating system with EIST support (Windows

®

XP SP2/Linux 2.6 kernel or

later versions)

A.1.2 Using the EIST

To use the EIST feature:

1. Turn on the computer, then enter the BIOS Setup.

2. Go to the Advanced Menu, highlight CPU Conguration,
then press <Enter>.

3. Set the

Intel(R) SpeedStep Technology item to [Automatic],

then press <Enter>.

4. Press <F10> to save your changes and exit the BIOS setup.

5. After the computer restarts, right click on a blank space on the desktop, then
select Properties from the pop-up menu.

6. When the Display Properties window
appears, click the Screen Saver tab.

7. Click the Power button on the
Monitor power section to open the
Power Options Properties window.

• The motherboard comes with a BIOS le that supports EIST. You can
download the latest BIOS le from the ASUS website (www.asus.com/
support/download/) if you need to update the BIOS. See Chapter 2 for

details.

• Visit www.intel.com for more information on the EIST feature.