Asus CROSSHAIR E2711 User Manual

MotherboardCrosshair

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

4-32 Chapter 4: BIOS setupIDE Function SetupThis sub-menu contains IDE function-related items. Select an item then press <Enter> to edit.Select

ASUS Crosshair 4-33USB CongurationThe items in this menu allows you to change the USB-related features. Select an item then press <Enter> to d

4-34 Chapter 4: BIOS setupHD Audio [Auto]Allows you to disable or set the High-Denition audio function. Conguration options: [Auto] [Disabled] Front

ASUS Crosshair 4-354.6 Power menuThe Power menu items allow you to change the settings for the Advanced Conguration and Power Interface (ACPI) and

4-36 Chapter 4: BIOS setup4.6.3 APM CongurationRestore on AC Power Loss [Power-Off]Allows you to enable or disable the Restore on AC Power Loss func

ASUS Crosshair 4-374.6.4 Hardware MonitorThe items in this sub-menu displays the hardware monitor values automatically detected by the BIOS. It also

4-38 Chapter 4: BIOS setupVoltage Monitor+12V / +5V / +3.3V Voltage DDR2 / DDR2 Termination / CPU Core/ CPU-NB HT Voltage NB 2.5V / NB Core / SB Core

ASUS Crosshair 4-39Voltage Monitor CPU Fan Control [Duty Cycle Mode] CPU Fan Duty Cycle [100%] CHA Rear Fan Control [Duty Cycle Mode] CHA R

4-40 Chapter 4: BIOS setupCHA Rear/Front Fan Q-Fan Sense [CPU Temperature]Allows the Q-Fan to sense CPU/MB temperature and to adjust the fan speed. Wh

ASUS Crosshair 4-414.7 Boot menuThe Boot menu items allow you to change the system boot options. Select an item then press <Enter> to display t

xiCrosshair specications summary(continued on the next page)CPU Support AMD® Socket AM2 Athlon 64 X2 / Athlon 64 FX / Athlon 64/ Sempron AMD Cool &a

4-42 Chapter 4: BIOS setup4.7.2 Removable Drives1. Floppy DisksAllows you to assign a removable drive attached to the system.Select MenuItem Specic

ASUS Crosshair 4-434.7.4 Boot Settings Conguration F1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults ESC: Exit →←:

4-44 Chapter 4: BIOS setupTypematic Rate (Chars/Sec) [6]Allows you to select the rate at which a character repeats when you hold a key. Conguration o

ASUS Crosshair 4-453. When prompted, conrm the password by typing the exact characters again, then press <Enter>. The password eld setting i

4-46 Chapter 4: BIOS setupThe succeeding items become user-congurable when you enable the ASUS Music Alarm.4.8 Tools menuThe Tools menu items allow

ASUS Crosshair 4-474.8.2 ASUS O.C. ProleThis item allows you to store or load multiple BIOS settings. Select MenuItem Specic HelpPress [Enter] to s

4-48 Chapter 4: BIOS setupLoad from Prole 1/2Allows you to load the previous BIOS settings saved in the BIOS Flash. Press <Enter> to load the 

ASUS Crosshair 4-494.8.3 ASUS EZ Flash 2Allows you to run ASUS EZ Flash 2. When you press <Enter>, a conrmation message appears. Use the left/

4-50 Chapter 4: BIOS setup4.9 Exit menuThe Exit menu items allow you to load the optimal or failsafe default values for the BIOS items, and save or d

5Software supportThis chapter describes the contents of the support DVD that comes with the motherboard package.

xiiCrosshair specications summary(continued on the next page)Dual Gigabit LAN Dual Gigabit LAN controllers support NVIDIA DualNet® technology NVIDIA

ASUS CrosshairChapter summary55.1 Installing an operating system ... 5-15.2 Support DVD information

ASUS Crosshair5-1If Autorun is NOT enabled in your computer, browse the contents of the support DVD to locate the le ASSETUP.EXE from the BIN folder.

5-2Chapter 5: Software support5.2.2 Drivers menuThe drivers menu shows the available device drivers if the system detects installed devices. Install

ASUS Crosshair5-35.2.3 Utilities menuThe Utilities menu shows the applications and other software that the motherboard supports. ASUS InstAll-Drivers

5-4Chapter 5: Software supportMicrosoft DirectX 9.0cInstalls the Microsoft® DirectX 9.0c driver. The Microsoft DirectX® 9.0c is a multimedia technolog

ASUS Crosshair5-55.2.4 Make Disk menuThe Make Disk menu contains items to create the RAID driver disk. Make NV SATA/RAID 32bit 2K Driver Make NV SATA

5-6Chapter 5: Software support5.2.5 Manuals menuThe Manuals menu contains a list of supplementary user manuals. Click an item to open the folder of t

ASUS Crosshair5-75.2.7 Other informationThe icons on the top right corner of the screen give additional information on the motherboard and the conten

5-8Chapter 5: Software supportTechnical support FormDisplays the ASUS Technical Support Request Form that you have to ll out when requesting technica

ASUS Crosshair5-95.3 Software informationMost of the applications in the support DVD have wizards that will conveniently guide you through the instal

xiiiCrosshair specications summaryInternal connectors 3 x USB 2.0 connectors supports additional 6 USB 2.0 ports 1 x Floppy disk drive connector 1

5-10Chapter 5: Software support9. When the screen returns to the ASUS Update utility, ash the original BIOS to load the new boot logo.10. After as

ASUS Crosshair5-115.3.2 SoundMAX® High Denition Audio utilityThe ADI AD1988B High Denition Audio CODEC provides 8-channel audio capability through

5-12Chapter 5: Software supportFrom the taskbar, double-click on the SoundMAX® icon to display the SoundMAX® Control Panel.Audio Setup WizardBy clicki

ASUS Crosshair5-13Jack congurationThis screen helps you congure your computer’s audio ports, depending on the audio devices you have installed.Adjus

5-14Chapter 5: Software supportAudio preferencesClick the icon to go to the Preferences page. This page allows you to change various audio settings.

ASUS Crosshair5-15Microphone optionsClick the Listening Environment tab allows you to optimize your microphone input settings.Enhanced Microphone Feat

5-16Chapter 5: Software support5.3.3 Cool ‘n’ Quiet!™ TechnologyThe motherboard supports the AMD Cool ‘n’ Quiet!™ Technology that dynamically and aut

ASUS Crosshair5-17• Make sure to install the AMD Cool ‘n’ Quiet!™ driver and application before using this feature.• The AMD Cool ‘n’ Quiet!™ techno

5-18Chapter 5: Software support5.3.4 ASUS PC Probe IIPC Probe II is a utility that monitors the computer’s vital components, and detects and alerts y

ASUS Crosshair5-19Sensor alertWhen a system sensor detects a problem, the main window right handle turns red, as the illustrations below show.When dis

xiv

5-20Chapter 5: Software supportHardware monitor panelsThe hardware monitor panels display the current value of a system sensor such as fan rotation, C

ASUS Crosshair5-21Monitoring sensor alertThe monitor panel turns red when a component value exceeds or is lower than the threshold value. Refer to the

5-22Chapter 5: Software supportPCI browserClick to display the PCI (Peripheral Component Interconnect) browser. This browser provides information on

ASUS Crosshair5-23Memory usageThe Memory tab shows both used and available physical memory. The pie chart at the bottom of the window represents the u

5-24Chapter 5: Software support5.4 RAID congurationsThe motherboard comes with the Silicon Image Sil3132 and the NVIDIA® nForce™ 590- SLI Southbridg

ASUS Crosshair5-25If you want to boot the system from a hard disk drive included in a RAID set, copy rst the RAID driver from the support DVD to a o

5-26Chapter 5: Software supportEntering the NVIDIA® RAID utilityTo enter the NVIDIA® RAID utility:1. Boot up your computer. 2. During POST, press

ASUS Crosshair5-27TIP: For server systems, we recommend using a lower array block size. For multimedia computer systems used mainly for audio and vide

5-28Chapter 5: Software supportRebuilding a RAID arrayTo rebuild a RAID array:1. From the Array List menu, use the up or down arrow keys to select a

ASUS Crosshair5-29 A new set of navigation keys is displayed on the bottom of the screen. 2. Press <R> to rebuild a RAID array. The following

1Product introductionThis chapter describes the motherboard features and the new technologies it supports.

5-30Chapter 5: Software supportDeleting a RAID arrayTo delete a RAID array:1. From the Array List menu, use the up or down arrow keys to select a RAI

ASUS Crosshair5-31Clearing a disk dataTo clear disk data:1. From the Array List menu, use the up or down arrow keys to select a RAID array then press

5-32 Chapter 5: Software support5.4.2 Silicon Image RAID congurations The Silicon Image RAID controller supports RAID 0 and RAID 1 congurations. Us

ASUS Crosshair 5-33Entering the Silicon Image BIOS RAID Conguration UtilityTo enter the Silicon Image BIOS RAID conguration utility:1. Boot up you

5-34 Chapter 5: Software support Manual conguration a. Select Manual conguration and press <Enter>. The following pop-up menu appears. b.

ASUS Crosshair 5-352. Select RAID 1 then press <Enter> to display the following.MAIN MENUAuto congurationManual conguration c. The selecti

5-36 Chapter 5: Software supportPHYSICAL DRIVE0 XXXXXXXXXXX XXXXXXMB1 XXXXXXXXXXX XXXXXXMB2 XXXXXXXXXXX X

ASUS Crosshair 5-37 e. If you selected Create with data copy, the following pop-up menu appears. MAIN MENUAuto congurationManual congurationonline

5-38 Chapter 5: Software support• Congure a CONCATENATION set when using a single Serial ATA drive; otherwise, the system will not recognize the dri

ASUS Crosshair 5-395.5 Creating a RAID driver diskA oppy disk with the RAID driver is required when installing Windows® 2000/XP operating system on

ASUS CrosshairChapter summary11.1 Welcome! ... 1-11.2 Package con

5-40 Chapter 5: Software support

6 This chapter tells how to install SLI-ready PCI Express graphics cards. NVIDIA® SLI™ technology support

ASUS CrosshairChapter summary6.1 Overview ... 6-16.2 Dual graphi

ASUS Crosshair6-16.1 OverviewThe motherboard supports the NVIDIA® SLI™ (Scalable Link Interface) technology that allows you to install two identical

6-2Chapter 6: NVIDIA® SLI™ technology support6.2 Dual graphics card setup6.2.1 Installing SLI-ready graphics cardsInstall only identical SLI-ready g

ASUS Crosshair6-34. Insert the second graphics card into the other slot. Make sure that the card is properly seated on the slot.If required, connect

6-4Chapter 6: NVIDIA® SLI™ technology support7. Connect a VGA cable or a DVI-I cable to the graphics card/s.We recommend to install an additional ch

ASUS Crosshair6-5NVIDIA Settings iconTo enable the multi-GPU feature:1. Click the NVIDIA Settings icon on your Windows taskbar.2. From the pop-up me

6-6Chapter 6: NVIDIA® SLI™ technology support5. From the Display Properties dialog box, select the Settings tab then click Advanced.6. Select the NV

ADebug CodeThe appendix explains the debug code on the LCD poster.

ASUS Crosshair 1-11.1 Welcome!Thank you for buying an ASUS® Crosshair motherboard!The motherboard delivers a host of new features and latest technolo

ASUS CrosshairChapter summaryAA.1 Debug Code ...A-1

ASUS Crosshair A-1A.1 Debug Code TableCode DescriptionCPU INIT CPU InitiationDET CPU Test CMOS R/W functionality.CHIPINITEarly chipset initialization

A-2 Appendix: Debug Code TableCPUSPEED1. Program CPU internal MTRR (P6 & PII) for 0-640K memory address. 2. Initialize the APIC for Pentium class

ASUS Crosshair A-3CPU CHG CPU changeCPR FAIL CPR errorFAN FAIL Fan errorUCODEERRUCODE errorFLOPYERR Floppy errorKB ERROR Keyboard errorHD ERR HDD erro

A-4 Appendix: Debug Code Table

1-2 Chapter 1: Product introduction1.3 Special features1.3.1 Product highlightsLatest processor technology The motherboard comes with a 940-pi

ASUS Crosshair 1-3PCI Express™ interface The motherboard fully supports PCI Express, the latest I/O interconnect technology that speeds up the PCI bu

iiE2711Second Edition V2 July 2006Copyright © 2006 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and softwa

1-4 Chapter 1: Product introductionS/PDIF digital sound ready The motherboard supports the S/PDIF technology through the S/PDIF interfaces on the re

ASUS Crosshair 1-51.3.2 ASUS Unique features 8-Phase Power Design The ASUS 8-Phase Power Design prolongs CPU lifespan and keeps the system stable by

1-6 Chapter 1: Product introductionAI NET 2 AI NET 2 is a BIOS-based diagnostic tool that detects and reports Ethernet cable faults and shorts. With

ASUS Crosshair 1-7Onboard Switches A power-on button, a resetbutton, and a clear CMOS button are onboard to provide overclockers and gamers the conven

1-8 Chapter 1: Product introductionC.P.R. (CPU Parameter Recall) The C.P.R. feature of the motherboard BIOS allows automatic re-setting to the BIOS d

2Hardware informationThis chapter lists the hardware setup procedures that you have to perform when installing system components. It includes descript

ASUS CrosshairChapter summary22.1 Before you proceed ... 2-12.2 Motherboard overvi

ASUS Crosshair 2-1Onboard LEDBlue lights strategically located beside key motherboard connectors allow you to install components conveniently, even wi

2-2 Chapter 2: Hardware information2.2 Motherboard overviewBefore you install the motherboard, study the conguration of your chassis to ensure that

ASUS Crosshair 2-3ASUS Crosshair 2-32.2.3 Motherboard layoutCHASSIS1 FLOPPY USB78 USB56 ADFP1WIFI_G_USB910PWN_SW RST_SWO_SW2IE1394_1 IE1394_2 O_SW1

iiiContentsNotices ... viSafety information ...

2-4 Chapter 2: Hardware information2.2.5 Layout contentsSlots Page1. DDR2 DIMM slots 2-122. PCI slots 2-223. PCI Express x 4 slot 2-224. PCI Ex

ASUS Crosshair 2-5Internal connectors Page1. Floppy disk drive connector (34-1 pin FLOPPY) 2-282. IDE connector (40-1 pin PRI_IDE) 2-283. NVIDIA® N

2-6 Chapter 2: Hardware information2.3.1 Installing the CPUTo install a CPU:1. Locate the CPU socket on the motherboard.Make sure that the socket le

ASUS Crosshair 2-73. Position the CPU above the socket such that the CPU corner with the gold triangle matches the socket corner with a small triangl

2-8 Chapter 2: Hardware information2.3.2 Installing the heatsink and fanThe AMD Athlon™ 64FX/Athlon™ 64/Athlon™ 64 X2/Sempron™ processor requires a s

ASUS Crosshair2-92. Attach one end of the retention bracket to the retention module base.3. Align the other end of the retention bracket (near the r

2-10Chapter 2: Hardware information5. When the fan and heatsink assembly is in place, connect the CPU fan cable to the connector on the motherboard l

ASUS Crosshair2-112.3.3 Installing the optional fan1. Position the fan above the pipe and heatsink assembly. 2. Fit the grooved edge to the heats

2-12Chapter 2: Hardware information2.4 System memory2.4.1 OverviewThe motherboard comes with four Double Data Rate 2 (DDR2) Dual Inline Memory Modul

ASUS Crosshair2-13Qualied Vendors Lists (QVL)Qualied Vendors List (QVL) Standard table for user manualSize Vendor Chip No. CLChip BrandSS/DS Part

ivContents2.6 Jumper ... 2-232.7 Audio Card and EL I/O Installa

2-14Chapter 2: Hardware informationQualied Vendors List (QVL) Standard table for user manualSize Vendor Chip No. CLChip BrandSS/DS Part No.DIMM Supp

ASUS Crosshair2-15DDR2-667 MHz capability(Continued on the next page)Qualied Vendors List (QVL) Standard table for user manualSize Vendor Chip No.

2-16Chapter 2: Hardware informationDDR2-667 MHz capabilitySS - Single-sided DS - Double-sidedDIMM support:A - Supports one module inserted into ei

ASUS Crosshair2-17DDR2-533 MHz capability(Continued on the next page)Qualied Vendors List (QVL) Standard table for user manualSize Vendor Chip No.

2-18Chapter 2: Hardware informationDDR2-533 MHz capabilitySide(s): SS - Single-sided DS - Double-sidedDIMM support:A - Supports one module inserte

ASUS Crosshair2-192.4.3 Installing a DIMMUnplug the power supply before adding or removing DIMMs or other system components. Failure to do so can cau

2-20Chapter 2: Hardware information2.5 Expansion slotsIn the future, you may need to install expansion cards. The following sub-sections describe the

ASUS Crosshair2-212.5.3 Interrupt assignmentsStandard interrupt assignments* These IRQs are usually available for ISA or PCI devices.A B C

2-22Chapter 2: Hardware information2.5.4 PCI slotsThe PCI slots support cards such as a LAN card, SCSI card, USB card, and other cards that comply wi

ASUS Crosshair2-232.6 Jumper Clear RTC RAM (CLRTC)This jumper allows you to enable the CLRTC switch. You can clear the CMOS memory of date, time, a

vContents4.3.6 SATA 1/2/3/4/5/6 ... 4-174.3.7 HDD SMART Monitoring ...

2-24Chapter 2: Hardware information2.7 Audio Card and EL I/O Installation2.7.1 Audio Card Installation2.7.2 EL I/O Installation1. Take out the Aud

ASUS Crosshair2-252.8 Connectors2.8.1 Rear panel connectors1. PS/2 mouse port (green). This port is for a PS/2 mouse.2. Coaxial S/PDIF Out port. T

2-26Chapter 2: Hardware information6. Line In port (light blue). This port connects the tape, CD, DVD player, or other audio sources. 7. Line Out po

ASUS Crosshair2-27• DO NOT insert a different connector to this port. • DO NOT unplug the external Serial ATA box when a RAID 0 or RAID 1 is congur

2-28Chapter 2: Hardware information2.8.2 Internal connectors1. Floppy disk drive connector (34-1 pin FLOPPY)This connector is for the provided oppy

ASUS Crosshair2-29CROSSHAIRCROSSHAIR IDE connectorPIN1PRI_IDENOTE: Orient the red markings(usually zigzag) on the IDEribbon cable to PIN1. 3. NVIDIA®

2-30Chapter 2: Hardware information4. USB connectors (10-1 pin USB56, USB78, USB910)These connectors are for USB 2.0 ports. Connect the USB/GAME modu

ASUS Crosshair 2-316. CPU, chassis, and optional fan connectors (4-pin CPU_FAN, 3-pin CHA_REAR_FAN, 3-pin CHA_FRONT_FAN, 3-pin OPT_FAN1, 3-pin OPT_FA

2-32 Chapter 2: Hardware information8. ATX power connectors (24-pin EATXPWR, 8-pin EATX12V)These connectors are for ATX power supply plugs. The powe

ASUS Crosshair 2-33• System power LED (3-pin PLED)This 3-pin connector is for the system power LED. Connect the chassis power LED cable to this connec

viContentsChapter 5: Software support5.1 Installing an operating system ... 5-15.2 Support DVD inf

2-34 Chapter 2: Hardware informationQ-Connector (System panel)ASUS Q-Connector allows you to easily to connect the chassis front panel cables to the m

ASUS Crosshair 2-352.8.3 Onboard switchesOnboard switches allow you to ne-tune performance when working on a bare or open-case system. This is ideal

2-36 Chapter 2: Hardware information2. Power-on switchPress the clear power-on switch to wake/power up the system.CROSSHAIRCROSSHAIR Power on switch3

3Powering upThis chapter describes the power up sequence and ways of shutting down the system.

ASUS CrosshairChapter summary33.1 Starting up for the rst time ... 3-13.2 Powering off the com

ASUS Crosshair 3-13.1 Starting up for the rst time1. After making all the connections, replace the system case cover. 2. Be sure that all switches

3-2 Chapter 3: Powering up3.2 Powering off the computer3.2.1 Using the OS shut down functionIf you are using Windows® 2000:1. Click the Start butt

4BIOS setupThis chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS parameters are also

Chapter summary4ASUS Crosshair4.1 Managing and updating your BIOS ... 4-14.2 BIOS setup program ...

ASUS Crosshair 4-14.1 Managing and updating your BIOSThe following utilities allow you to manage and update the motherboard Basic Input/Output System

viiNoticesFederal Communications Commission StatementThis device complies with Part 15 of the FCC Rules. Operation is subject to the following two con

4-2 Chapter 4: BIOS setupQuit all Windows® applications before you update the BIOS using this utility.3. Select the ASUS FTP site nearest you to avoi

ASUS Crosshair 4-3Updating the BIOS through a BIOS leTo update the BIOS through a BIOS le:1. Launch the ASUS Update utility from the Windows® deskt

4-4 Chapter 4: BIOS setup4.1.2 Creating a bootable oppy disk1. Do either one of the following to create a bootable oppy disk.DOS environmenta. In

ASUS Crosshair 4-54. Insert the oppy disk that contains the BIOS le to the oppy disk drive then press <Enter>. The following screen appears.

4-6 Chapter 4: BIOS setup4.1.4 Updating the BIOSThe Basic Input/Output System (BIOS) can be updated using the AwardBIOS Flash Utility. Follow these i

ASUS Crosshair 4-77. Press <N> when the utility prompts you to save the current BIOS le. The following screen appears.8. The utility veries

4-8 Chapter 4: BIOS setup4. The utility saves the current BIOS le to the oppy disk, then returns to the BIOS ashing process.3. Type a lename for

ASUS Crosshair 4-94.1.6 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 is an auto recovery tool that allows you to restore the BIOS le when

4-10 Chapter 4: BIOS setup4.2 BIOS setup programThis motherboard supports a programmable Low-Pin Count (LPC) chip that you can update using the provi

ASUS Crosshair 4-114.2.1 BIOS menu screenSelect MenuItem Specic HelpChange the day, month, year and century.Legend barGeneral helpMenu barSub-menu

viiiSafety informationElectrical safety• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating t

4-12 Chapter 4: BIOS setup4.2.4 Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main

ASUS Crosshair 4-134.2.7 Pop-up windowSelect a menu item then press <Enter> to display a pop-up window with the conguration options for that

4-14 Chapter 4: BIOS setupF1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults ESC: Exit →←: Select Menu Enter: Select

ASUS Crosshair 4-154.3.5 Primary IDE Master/SlaveWhile entering Setup, the BIOS automatically detects the presence of IDE devices. There is a separa

4-16 Chapter 4: BIOS setupCapacityDisplays the auto-detected hard disk capacity. This item is not congurable. CylinderShows the number of the hard di

ASUS Crosshair 4-174.3.6 SATA1/2/3/4/5/6While entering Setup, the BIOS automatically detects the presence of Serial ATA devices. There is a separate

4-18 Chapter 4: BIOS setupHeadShows the number of the hard disk read/write heads. This item is not congurable. Landing ZoneShows the number of landi

ASUS Crosshair 4-194.4 Extreme Tweaker menuThe Extreme menu items allow you to congure overclocking-related items.Phoenix-Award BIOS CMOS Setup Uti

4-20 Chapter 4: BIOS setupThe following item becomes user-congurable when you set AI Tuning to [AI N.O.S.]N.O.S. Mode [Auto]Allows you to set the Non

ASUS Crosshair 4-21CPU Multiplier [Auto]Allows you to set the operating CPU multiplier. the conguration options may vary depending on the type of CP

ixAbout this guideThis user guide contains the information you need when installing and conguring the motherboard.How this guide is organizedThis gui

4-22 Chapter 4: BIOS setupF1:Help ↑↓ : Select Item -/+: Change Value F5: Setup Defaults ESC: Exit →←: Select Menu Enter: Selec

ASUS Crosshair 4-23SB Core Voltage [Auto]Allows you to set the SB Core voltage. Conguration options: [Auto] [1.500V] [1.525V] [1.550V]~[1.875V] SB P

4-24 Chapter 4: BIOS setupTcl [Auto] Conguration options: [Auto] [3] [4] [5] [6] Trcd [Auto] Conguration options: [Auto] [3] [4] [5] [6]Trp [Auto] C

ASUS Crosshair 4-25CPU On-die Termination [Auto] Conguration options: [Auto] [300 ohm] [150 ohm] [75 ohm]Trc [Auto] Conguration options: [Auto] [1

4-26 Chapter 4: BIOS setupCHA/CHB CKE Fine Delay [Auto] Conguration options: [Auto] [No delay] [1/64 MEMCLK delay] [2/64 MEMCLK delay] [3/64 MEMCLK d

ASUS Crosshair 4-27Write Data Timing Control [Auto] Conguration options: [Auto] [No delay] [1/96 MEMCLK delay] [2/96 MEMCLK delay] [3/96 MEMCLK]...[

4-28 Chapter 4: BIOS setup4.4.4 SLI-Ready Memory [Disabled]Allows you to select the SPD prole for SLI-Ready memory modules. The conguration options

ASUS Crosshair 4-29POST Check LAN Cable [Disabled]POST Check LAN2 Cable [Disabled]Enables or disables checking of the LAN/LAN2 cable during the Powe

4-30 Chapter 4: BIOS setup4.5.2 PEG Link ModeSelect MenuItem Specic HelpEnhance performance on PCIE serial graphic card.PEG Link ModePEG Link Mode

ASUS Crosshair 4-31IRQ ResourcesIRQ Resources IRQ-5 assigned to [PCI Device] IRQ-7 assigned to [PCI Device] IRQ-9 assigned to [PCI Device] IR