MotherboardP5Q-EM DOP5Q-EM DO.indb 1 12/9/08 12:32:26 PM
viiiP5Q-EM DO specications summary(continued on the next page)CPU LGA775 socket for Intel® Core™2 Extreme / Core™2 Quad / Core™2 Duo / Pentium® du
3-2 Chapter 3: Software support3.2.2 Drivers menuThe drivers menu shows the available device drivers if the system detects installed devices. Install
ASUS P5Q-EM DO 3-33.2.3 Utilities menuThe Utilities menu shows the applications and other software that the motherboard supports. ASUS InstAll-Instal
3-4 Chapter 3: Software supportASUS AI SuiteThe ASUS AI Suite is an innovative application to do overclocking, fan control, power saving and quiet the
ASUS P5Q-EM DO 3-53.2.4 Make Disk menuThe Make Disk menu contains items to create Intel® ICH10R RAID/AHCI driver disk. Intel ICH10R 32 bit RAID/AHCI
3-6 Chapter 3: Software support3.2.5 Manual menuThe Manual menu contains a list of supplementary user manuals. Click an item to open the folder of th
ASUS P5Q-EM DO 3-7Browse this DVDDisplays the Support DVD contents in graphical format.3.2.7 Other informationThe icons on the top right corner of th
3-8 Chapter 3: Software supportFilelistDisplays the contents of the Support DVD and a brief description of each in text format. Technical support form
ASUS P5Q-EM DO 3-93.3.2 Creating a RAID driver disk in Windows® To create a RAID driver disk in Windows®:1. Start Windows®.2. Place the motherboard
3-10 Chapter 3: Software supportP5Q-EM DO.indb 10 12/9/08 12:36:33 PM
ixP5Q-EM DO specications summaryASUS FeaturesASUS Quiet Thermal Solution: - ASUS AI Gear 2 - ASUS Advanced Q-Fan ASUS Crystal Sound - Noise Fil
xSupport DVD ContentsDrivers ASUS PC Probe II ASUS Update Intel® System Defense Utility Anti-virus software (OEM version) Intel® IT DirectorForm Facto
1Chapter1: Product introductionThis chapter describes the motherboard features and the new technologies it supports. It also lists the hardware setup
1.1 Welcome! ... 1-11.2 Package contents...
ASUS P5Q-EM DO 1-11.1 Welcome!Thank you for buying an ASUS® P5Q-EM DO motherboard!The motherboard delivers a host of new features and latest technolo
1-2 Chapter 1: Product introductionIntel® Core™2 Extreme / Core™ 2 Quad / Core™2 Duo Processor Support This motherboard supports the la
ASUS P5Q-EM DO 1-3Trusted Platform Module (TPM) The Trusted Platform Module (TPM) provides enhanced data performance via high-level encryption/decrypt
1-4 Chapter 1: Product introductionASUS EZ DIYASUS EZ DIY feature collection provides you easy ways to install computer components, update the BIOS or
ASUS P5Q-EM DO 1-51.4 Before you proceedTake note of the following precautions before you install motherboard components or change any motherboard se
E4365Second Edition V2 December 2008Copyright © 2008 ASUSTeK Computer Inc. All Rights Reserved.No part of this manual, including the products and sof
1-6 Chapter 1: Product introductionP5Q-EM DO1.5 Motherboard overviewBefore you install the motherboard, study the conguration of your chassis to ens
ASUS P5Q-EM DO 1-71.5.3 Motherboard layoutP5Q-EM DOPCIEX16PCIEX1_1PCIEX1_2PCI2PRI_IDEUSBPW9-12USBPW1-4CHA_FAN1USBPW5-8FLOPPYUSB1112 USB910 USB56 USB7
1-8 Chapter 1: Product introduction1.6 Central Processing Unit (CPU)The motherboard comes with a surface mount LGA775 socket designed for the Intel®
ASUS P5Q-EM DO 1-9To 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 t
1-10 Chapter 1: Product introduction6. Apply several drops of Thermal Interface Material to the exposed area of the CPU that the heatsink will be in
ASUS P5Q-EM DO 1-111.6.2 Installing the CPU heatsink and fanThe Intel® LGA775 processor requires a specially designed heatsink and fan assembly to en
1-12 Chapter 1: Product introduction3. Connect the CPU fan cable to the connector on the motherboard labeled CPU_FAN.Do not forget to connect the CPU
ASUS P5Q-EM DO 1-131.7 System memory1.7.1 OverviewThe motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modules (DIMM) socket
1-14 Chapter 1: Product introduction1.7.2 Memory congurationsYou may install 512 MB, 1 GB, 2GB, and 4 GB unbuffered non-ECC DDR2 DIMMs into the DIMM
ASUS P5Q-EM DO 1-15Notes on memory limitations• Due to chipset limitation, this motherboard can only support up to 16 GB on the operating systems li
iContentsNotices ... ivSafety inf
1-16 Chapter 1: Product introductionP5Q-EM DO Motherboard Qualied Vendors Lists (QVL)DDR2-800MHz capabilityVendor Part No. Size SS/DS Chip No. CLChi
ASUS P5Q-EM DO 1-17DDR2-667MHz capabilityVendor Part No. Size SS/DS Chip No. CLChip BrandDIMM SupportA* B* C*KINGMAX KLDC28F-A8KI5 512MB SS KKA8FEIBF
1-18 Chapter 1: Product introductionSS - Single-sided / DS - Double - sided DIMM support: • A*: Supports one module inserted in any slot as Single-
ASUS P5Q-EM DO 1-191.7.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failure to do so can ca
1-20 Chapter 1: Product introduction1.8 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe th
ASUS P5Q-EM DO 1-211.8.3 Interrupt assignmentsStandard interrupt assignments* These IRQs are usually available for ISA or PCI devices.IRQ Priority St
1-22 Chapter 1: Product introductionIRQ assignments for this motherboardA B C D E F G HHECI Host#1 shared – – – – – – –IDE-R Controller – – shared – –
ASUS P5Q-EM DO 1-231.8.4 PCI slotsThe PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply with PCI specicat
1-24 Chapter 1: Product introduction1.9 Jumper1. Clear RTC RAM (3-pin CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in C
ASUS P5Q-EM DO 1-25P5Q-EM DOP5Q-EM DO USB Device Wake Up212 3+5V+5VSB(Default)USBPW1-4212 3+5V(Default)+5VSB212 3+5V(Default)+5VSBUSBPW9-12 USBPW5-82.
iiContents2.1.3 AFUDOS utility ... 2-32.1.4 ASUS CrashFree B
1-26 Chapter 1: Product introduction1.10 Connectors1.10.1 Rear panel connectors1. PS/2 mouse port (green). This port is for a PS/2 mouse.2. Optica
ASUS P5Q-EM DO 1-27Refer to the audio conguration table below for the function of the audio ports in 2, 4, 6, or 8-channel conguration.Audio 2, 4, 6
1-28 Chapter 1: Product introduction2. Digital Audio connector (4-1 pin SPDIF_OUT)This connector is for the S/PDIF audio module to allow digital so
ASUS P5Q-EM DO 1-293. IEEE 1394a port connector (10-1 pin IE1394_2)This connector is for a IEEE 1394a port. Connect the IEEE 1394a module cable to th
1-30 Chapter 1: Product introduction4. IDE connector (40-1 pin PRI_EIDE)The onboard IDE connector is for the Ultra DMA 133/100/66 signal ca
ASUS P5Q-EM DO 1-315. ICH10DO Serial ATA connectors (7-pin SATA1[red], SATA2 [red], SATA3 [red], SATA4 [red], SATA5 [red], SATA6 [red])These connecto
1-32 Chapter 1: Product introduction7. USB connectors (10-1 pin USB56, USB78, USB910, USB1112)These connectors are for USB 2.0 ports. Connect the USB
ASUS P5Q-EM DO 1-338. CPU, chassis, and power fan connectors (4-pin CPU_FAN, 3-pin CHA_FAN1, 3-pin PWR_FAN)The fan connectors support cooling fans of
1-34 Chapter 1: Product introduction10. Front panel audio connector (10-1 pin AAFP)This connector is for a chassis-mounted front panel audio I/O modu
ASUS P5Q-EM DO 1-35• System power LED (2-pin PLED)This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connec
iiiContents2.5.7 Intel® VT-d Conguration ... 2-292.5.8 Intel® TXT(LT) Congu
1-36 Chapter 1: Product introductionASUS Q-Connector (system panel)You can use the ASUS Q-Connector to connect/disconnect chassis front panel cables i
2Chapter 2: BIOS setupThis chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameter
ASUS P5Q-EM DOChapter summary22.1 Managing and updating your BIOS ... 2-12.2 BIOS setup progr
ASUS P5Q-EM DO 2-12.1 Managing and updating your BIOSThe following utilities allow you to manage and update the motherboard Basic Input/Output System
2-2 Chapter 2: BIOS setupTo update the BIOS using EZ Flash 2:1. Visit the ASUS website (www.asus.com) to download the latest BIOS le for the motherb
ASUS P5Q-EM DO 2-32.1.3 AFUDOS utilityThe AFUDOS utility allows you to update the BIOS le in DOS environment using a bootable oppy disk with the up
2-4 Chapter 2: BIOS setupUpdating the BIOS leTo update the BIOS le using the AFUDOS utility:1. Visit the ASUS website (www.asus.com) and download t
ASUS P5Q-EM DO 2-52.1.4 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS le when
2-6 Chapter 2: BIOS setupRecovering the BIOS from the support DVDTo recover the BIOS from the support DVD:1. Remove any oppy disk from the oppy dis
ASUS P5Q-EM DO 2-72.1.5 ASUS Update utilityThe ASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS in Windows®
ivNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two cond
2-8 Chapter 2: BIOS setup3. Select the ASUS FTP site nearest you to avoid network trafc, or click Auto Select. Click Next.2. Select Update BIOS fro
ASUS P5Q-EM DO 2-9Updating the BIOS through a BIOS leTo update the BIOS through a BIOS le:1. Launch the ASUS Update utility from the Windows® deskt
2-10 Chapter 2: BIOS setup• The default BIOS settings for this motherboard apply for most conditions to ensure optimum performance. If the system bec
ASUS P5Q-EM DO 2-112.2.2 Menu barThe menu bar on top of the screen has the following main items:Main For changing the basic system congurationA
2-12 Chapter 2: BIOS setup2.2.4 Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main
ASUS P5Q-EM DO 2-132.3 Main menuWhen you enter the BIOS Setup program, the Main menu screen appears, giving you an overview of the basic system infor
2-14 Chapter 2: BIOS setup2.3.4 SATA1-6While entering Setup, the BIOS automatically detects the presence of SATA devices. There is a separate sub-men
ASUS P5Q-EM DO 2-15DMA Mode [Auto]Selects the DMA mode. Conguration options: [Auto] SMART Monitoring [Auto]Sets the Smart Monitoring, Analysis, and R
2-16 Chapter 2: BIOS setup2.3.6 System InformationThis menu gives you an overview of the general system specications. The BIOS automatically detects
ASUS P5Q-EM DO 2-172.4 Ai Tweaker menuThe Ai Tweaker menu items allow you to change the settings for system performance. Select Screen Select It
vDO NOT throw the mercury-containing button cell battery in municipal waste. This symbol of the crossed out wheeled bin iindicates that the battery sh
2-18 Chapter 2: BIOS setupPCIE Frequency [Auto]Allows you to set the PCI Express frequency. Use the <+> and <-> keys to adjust the PCIE fr
ASUS P5Q-EM DO 2-192.4.8 NB Clock Skew [Auto]Allows you to set the Northbridge chipset clock skew. Conguration options: [Auto] [Normal] [Delay 100p
2-20 Chapter 2: BIOS setupBlue Yellow Purple RedCPU PLL Voltage 1.5V~1.6V N/A N/A N/AFSB Termination Voltage 1.2V~1.3V N/A N/A N/ADRAM Voltage 1.80V~1
ASUS P5Q-EM DO 2-212.5 Advanced menuThe Advanced menu items allow you to change the settings for the CPU and other system devices.Take caution when c
2-22 Chapter 2: BIOS setupC1E Support [Enabled]Allows you to enable or disable Enhanced Halt State support. Conguration options: [Disabled] [Enabled]
ASUS P5Q-EM DO 2-232.5.2 ChipsetThe Chipset menu allows you to change the advanced chipset settings. Select an item then press <Enter> to displ
2-24 Chapter 2: BIOS setupME Subsystem CongurationME Subsystem CongurationASF Support [Enabled]ME HECI Conguration ME-HECI [Enabled]ME-EDER [Di
ASUS P5Q-EM DO 2-25VE-VECI [Disabled]Allows you to enable or disable the Virtualization Embedded Controller Interface (VECI). Conguration options: [
2-26 Chapter 2: BIOS setup2.5.3 Onboard Device Conguration Select Screen Select Item+- Change OptionF1 General HelpF10 Save and ExitESC
ASUS P5Q-EM DO 2-272.5.4 USB CongurationThe items in this menu allows you to change the USB-related features. Select an item then press <Enter>
viAbout this guideThis user guide contains the information you need when installing and conguring the motherboard.How this guide is organizedThis man
2-28 Chapter 2: BIOS setupLegacy USB Support [Auto]Allows you to enable or disable the support for legacy USB devices. Setting to [Auto] allows the sy
ASUS P5Q-EM DO 2-29TPM CongurationTCG/TPM SUPPORT [NO]Enable/Disable TPM TCG (TPM 1.1/1.2) supp in BIOSBIOS SETUP UTILITY Adva
2-30 Chapter 2: BIOS setup2.5.8 Intel® TXT(LT) CongurationThe items in this menu allow you to enable or disable the Intel® Trust Execution Technolog
ASUS P5Q-EM DO 2-312.6 Power menuThe Power menu items allow you to change the settings for the Advanced Power Management (APM). Select an item then p
2-32 Chapter 2: BIOS setupRestore on AC Power Loss [Power Off]When set to [Power Off], the system goes into off state after an AC power loss. When set
ASUS P5Q-EM DO 2-33Power On By PS/2 Keyboard [Disabled]Allows you to use specic keys on the keyboard to turn on the system. This feature requires an
2-34 Chapter 2: BIOS setupCPU Temperature [xxxºC/xxxºF] MB Temperature [xxxºC/xxxºF]The onboard hardware monitor automatically detects and displays th
ASUS P5Q-EM DO 2-352.7 Boot menuThe Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display t
2-36 Chapter 2: BIOS setup2.7.2 Boot Settings CongurationSet this item to [Enabled] to use the ASUS MyLogo2™ feature.Quick Boot [Enabled]Enabling th
ASUS P5Q-EM DO 2-37If you forget your BIOS password, you can clear clear it by erasing the CMOS Real Time Clock (RTC) RAM. See section “1.9 Jumpers” f
viiConventions used in this guideTo make sure that you perform certain tasks properly, take note of the following symbols used throughout this manual.
2-38 Chapter 2: BIOS setupAfter you have set a supervisor password, the other items appear to allow you to change other security settings. User Access
ASUS P5Q-EM DO 2-392.8 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press <Enter> to
2-40 Chapter 2: BIOS setupExit & Discard ChangesSelect this option only if you do not want to save the changes that you made to the Setup program
ASUS P5Q-EM DO 2-412.10 Intel® ME congurationThis function allows you to congure the Intel® Management Engine (ME) settings. Ensure that the ME fun
2-42 Chapter 2: BIOS setup2.10.2 Intel® ME CongurationSelect Intel(R) ME Conguration and press <Enter>. The following message appears to remi
ASUS P5Q-EM DO 2-43Intel(R) Management Engine BIOS Extension v5.0.5.0001Copyright(C) 2003-08 Intel Coporation. All Rights Reserved.[ Intel(R) ME FEATU
2-44 Chapter 2: BIOS setup2.10.3 Exit menuTo exit the Intel® ME setup, select Exit from the Main menu and press <Enter>. When the conrmation m
3Chapter 3: Software supportThis chapter describes the contents of the Support DVD that comes with the motherboard package.P5Q-EM DO.indb 1 12/9/08
ASUS P5Q-EM DOChapter summary33.1 Installing an operating system ..... 3-13.2 Support DV
ASUS P5Q-EM DO 3-1If Autorun is NOT enabled in your computer, browse the contents of the Support DVD to locate the le ASSETUP.EXE from the BIN folder
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