Asus P9X79 WS Spezifikationen Seite 1

MotherboardP9X79 WS

xWhere to nd more informationRefer to the following sources for additional information and for product and software updates.1. ASUS websitesThe ASUS

3-20 Chapter 3: BIOS setupChapter 3MainAi TweakerAdvanced Monitor Boot ToolExitVersion 2.10.1208. Copyright (C) 2011 American Megatrends, Inc

ASUS P9X79 WS 3-21Chapter 3CPU VCORE Boot Up Voltage [Auto]This adjusts the voltage for CPU at initial boot up. Set to higher values for better overcl

3-22 Chapter 3: BIOS setupChapter 3CPU Power Duty Control [T.Probe]CPU Power Duty Control adjusts current and thermal of every phase component.[T.Prob

ASUS P9X79 WS 3-23Chapter 3DRAM-CD Current Capability [100%]Setting a higher value brings a wider total power range and extends the overclocking frequ

3-24 Chapter 3: BIOS setupChapter 33.4.2 CPU Performance SettingsThe items in this menu is setting for CPU Ratio/Features.is setting for CPU Ratio/Fe

ASUS P9X79 WS 3-25Chapter 3Turbo Mode [Enabled]It automatically allows processors cores to run faster than the base operating frequency if it’s operat

3-26 Chapter 3: BIOS setupChapter 3Offset Mode Sign [+]This item appears only when you set the CPU VCORE Voltage item to [Offset Mode].[+] To offset

ASUS P9X79 WS 3-27Chapter 3CPU PLL Voltage [Auto]Allows you to set the CPU and PCH PLL voltage. The values range from 1.80V to 2.10V with a 0.00625V i

3-28 Chapter 3: BIOS setupChapter 3DRAM CTRL REF Voltage on CHC [Auto]Allows you to set the DRAM CTRL REF Voltage on Channel C. The values range from

ASUS P9X79 WS 3-29Chapter 3Be cautious when changing the settings of the Advanced menu items. Incorrect eld values can cause the system to malfunctio

xi DANGER/WARNING: Information to prevent injury to yourself when trying to complete a task. CAUTION: Information to prevent damage to the c

3-30 Chapter 3: BIOS setupChapter 33.5.1 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.

ASUS P9X79 WS 3-31Chapter 3CPU Power Management CongurationCPU Ratio AutoEnhanced Intel SpeedStep Technology EnabledTurbo Mode EnabledCPU C1E

3-32 Chapter 3: BIOS setupChapter 3Enhanced Intel SpeedStep Technology [Enabled]Enhanced Intel® SpeedStep Technology (EIST) allows the system operatio

ASUS P9X79 WS 3-33Chapter 33.5.4 PCH CongurationMainAi TweakerAdvanced Monitor Boot ToolExitEnabled/Disabled the High Precision Event Timer.Back A

3-34 Chapter 3: BIOS setupChapter 3SATA Mode [AHCI Mode]Allows you to set the SATA conguration.[Disabled] Disables the SATA function.[IDE Mode] Set

ASUS P9X79 WS 3-35Chapter 3MainAi TweakerAdvanced Monitor BootToolExit(1) IDE Mode. (2) AHCI Mode. (3) RAID Mode.Back Advanced\ SATA Conguration

3-36 Chapter 3: BIOS setupChapter 33.5.6 USB CongurationThe items in this menu allow you to change the USB-related features.The USB Devices item sho

ASUS P9X79 WS 3-37Chapter 33.5.7 Onboard Devices ConguratonAzalia HD Audio [Enabled][Disabled] Disables the controller.[Enabled] Enables the High

3-38 Chapter 3: BIOS setupChapter 3Intel LAN1 Controller [Enabled][Disabled] Disables the controller.[Enabled] Enables the Intel LAN controller.Inte

ASUS P9X79 WS 3-39Chapter 3Restore AC Power Loss [Power Off][Power On] The system goes into on state after an AC power loss.[Power Off] The system g

xiiP9X79 WS specications summaryCPU 2nd Generation Intel® Core™ i7 Processor family for the LGA 2011 Socket Intel® Xeon® series processor for the LG

3-40 Chapter 3: BIOS setupChapter 33.6 Monitor menuThe Monitor menu displays the system temperature/power status, and allows you to change the fan se

ASUS P9X79 WS 3-41Chapter 3CPU Fan Speed [xxxx RPM] or [Ignore] / [N/A] CPU OPT Speed [xxxx RPM] or [Ignore] / [N/A] Chassis Fan 1/2/3/4 Speed [xxxx R

3-42 Chapter 3: BIOS setupChapter 3Chassis 1/2/3/4 Fan Speed Low Limit [600 RPM]This item appears only when you enable the Chassis 1/2/3/4 Q-Fan Contr

ASUS P9X79 WS 3-43Chapter 33.7 Boot menuThe Boot menu items allow you to change the system boot options.Bootup NumLock State [On][On] Sets the power

3-44 Chapter 3: BIOS setupChapter 33.8 Tools menuThe Tools menu items allow you to congure options for special functions. Select an item then press

ASUS P9X79 WS 3-45Chapter 33.8.1 ASUS EZ Flash 2 UtilityAllows you to run ASUS EZ Flash 2 Utility to update BIOS. When you press <Enter>, a con

3-46 Chapter 3: BIOS setupChapter 33.8.3 ASUS O.C. ProleThis item allows you to store or load multiple BIOS settings. MainAi TweakerAdvanced Monito

ASUS P9X79 WS 3-47Chapter 33.8.4 ASUS Drive XpertThis item allows you to congure RAID setup through SATA ports. MainAi TweakerAdvanced Monitor Boot

3-48 Chapter 3: BIOS setupChapter 33.9 Exit menuThe Exit menu items allow you to load the optimal default values for the BIOS items, and save or disc

ASUS P9X79 WS 3-49Chapter 33.10 Updating BIOSThe ASUS website publishes the latest BIOS versions to provide enhancements on system stability, compati

xiiiAudio Realtek® ALC 898 8-channel High Denition Audio CODEC - Supports 192kHz/ 24bit BD Lossless Sound - DTS Surround Sensation UltraPC II

3-50 Chapter 3: BIOS setupChapter 3Updating the BIOS through the InternetTo update the BIOS through the Internet:1. From the ASUS Update screen, sele

ASUS P9X79 WS 3-51Chapter 3• The screenshots in this section are for reference only. The actual BIOS information vary by models.• Refer to the softw

3-52 Chapter 3: BIOS setupChapter 33.10.2 ASUS EZ Flash 2 utilityThe ASUS EZ Flash 2 feature allows you to update the BIOS without having to use a bo

ASUS P9X79 WS 3-53Chapter 33.10.3 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore

3-54 Chapter 3: BIOS setupChapter 3Booting the system in DOS environment1. Insert the USB ash drive with the latest BIOS le and BIOS Updater to the

ASUS P9X79 WS 3-55Chapter 32. The BIOS Updater backup screen appears indicating the BIOS backup process. When BIOS backup is done, press any key to r

3-56 Chapter 3: BIOS setupChapter 34. Select Yes and press <Enter>. When BIOS update is done, press <ESC> to exit BIOS Updater. Restart y

ASUS P9X79 WS4-1Chapter 4If Autorun is NOT enabled in your computer, browse the contents of the support DVD to locate the le ASSETUP.EXE from the BIN

4-2 Chapter 4: Software supportChapter 44.2.2 Obtaining the software manualsThe software manuals are included in the support DVD. Follow the instruct

ASUS P9X79 WS4-3Chapter 44.3 Software informationMost of the applications in the support DVD have wizards that will conveniently guide you through th

xivWorkstation Unique Features6 x PCIe x 16 slots Quick Gate: 1 vertical USB 2.0 on board ASUS SASsaby series Cards support ASUS WS Diag. LED ASUS WS

4-4 Chapter 4: Software supportChapter 44.3.2 TurboV EVOASUS TurboV EVO introduces TurboV that allows you to manually adjust the CPU frequency and re

ASUS P9X79 WS4-5Chapter 4Using Advanced ModeClick on the Advanced Mode tab to adjust the advanced voltage settings.Advanced modeApplies all changes im

4-6 Chapter 4: Software supportChapter 4Auto TuningASUS TurboV EVO includes two auto tuning modes, providing the most exible auto-tuning options.• T

ASUS P9X79 WS4-7Chapter 43. TurboV automatically overclocks the CPU, saves BIOS settings and restarts the system. After re-entering Windows, a messag

4-8 Chapter 4: Software supportChapter 44.3.3 DIGI+ Power ControlDIGI+ PowerControl allows you to adjust VRM voltage and frequency modulation to enha

ASUS P9X79 WS4-9Chapter 4• The actual performance boost may vary depending on your CPU specication.• Do not remove the thermal module. The thermal

4-10 Chapter 4: Software supportChapter 44.3.4 EPUEPU is an energy-efcient tool that satises different computing needs. This utility provides sever

ASUS P9X79 WS4-11Chapter 4Refer to the software manual in the support DVD or visit the ASUS website at www.asus.com for detailed software conguratio

4-12 Chapter 4: Software supportChapter 44.3.6 Probe IIProbe II is a utility that monitors the computer’s vital components, and detects and alerts yo

ASUS P9X79 WS4-13Chapter 44.3.7 Sensor RecorderSensor Recorder monitors the changes in the system voltage, temperature, and fan speed on a timeline.

xv*Specications are subject to change without notice.Accessories 4 x Serial ATA 6Gb/s cables 4 x Serial ATA 3Gb/s cables 1 x ASUS 4-Way SLI bridge co

4-14 Chapter 4: Software supportChapter 44.3.8 USB 3.0 BoostThe ASUS exclusive USB 3.0 Boost provides speed boost for USB 3.0 devices and the up-to-d

ASUS P9X79 WS4-15Chapter 44.3.9 ASUS SSD CachingThis feature boosts system performance by using an installed SSD with no capacity limitations as a ca

4-16 Chapter 4: Software supportChapter 44.3.10 ASUS UpdateASUS Update lays out the options for updating BIOS on your system. Update BIOS utility on

ASUS P9X79 WS4-17Chapter 44.3.11 MyLogo2This MyLogo utility lets you customize the boot logo. The boot logo is the image that appears on screen durin

4-18 Chapter 4: Software supportChapter 42. Click on Auto Tune to adjust image size compatibility or adjust the resolution bar.3. You can click on B

ASUS P9X79 WS4-19Chapter 4A. Realtek HD Audio Manager with DTS UltraPC II for Windows® 7™ / Vista™4.3.12 Audio congurationsThe Realtek® audio CODEC

4-20 Chapter 4: Software supportChapter 44.4 RAID congurationsThe motherboard supports the following SATA RAID solutions:• Intel® Rapid Storage Tec

ASUS P9X79 WS4-21Chapter 44.4.2 Installing Serial ATA hard disksThe motherboard supports Serial ATA hard disk drives. For optimal performance, instal

4-22 Chapter 4: Software supportChapter 4Creating a RAID setTo create a RAID set:1. From the utility main menu, select 1. Create RAID Volume and pres

ASUS P9X79 WS4-23Chapter 45. Use the up/down arrow key to select a drive, and then press <Space> to select. A small triangle marks the selected

xvi

4-24 Chapter 4: Software supportChapter 4Deleting a RAID setTake caution when deleting a RAID set. You will lose all data on the hard disk drives when

ASUS P9X79 WS4-25Chapter 44.4.5 Marvell RAID utilityThe onboard Marvell SATA 6.0 Gb/s controller allows you to create a RAID 0 or RAID 1 array using

4-26 Chapter 4: Software supportChapter 44. Use the up or down arrow key to move the selection bar and press <Enter> to congure further RAID s

ASUS P9X79 WS4-27Chapter 46. Press <F10>. The following warning message appears: Press <Y> to save the RAID setting and exit the Marvel

4-28 Chapter 4: Software supportChapter 4Do you want to delete this virtual disk ? Yes NoDelete Virtual Disk2. The following w

ASUS P9X79 WS4-29Chapter 44.5 Creating a RAID driver diskA oppy disk with the RAID driver is required when installing a Windows® operating system on

4-30 Chapter 4: Software supportChapter 44.5.3 Installing the RAID driver during Windows® OS installationTo install the RAID driver in Windows® XP:1.

ASUS P9X79 WS4-31Chapter 44.5.4 Using a USB oppy disk driveDue to OS limitation, Windows® XP may not recognize the USB oppy disk drive when you ins

4-32 Chapter 4: Software supportChapter 48. Find the [HardwareIds.scsi.iaAHCI_DesktopWorkstationServer] and [HardwareIds.scsi.iaStor_DesktopWorkstati

5 Multiple GPU technology supportThis chapter describes how to install and congure multiple ATI® CrossFireX™ and NVIDIA® SLI™ graphics cards.

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

ASUS P9X79 WSChapter summary55.1 ATI® CrossFireX™ technology ... 5-15.2 NVIDIA® SLI™ technology ...

ASUS P9X79 WS 5-15.1 ATI® CrossFireX™ technologyThe motherboard supports the ATI® CrossFireX™ technology that allows you to install multi-graphics pr

5-2 Chapter 5: Multiple GPU technology support5. Connect two independent auxiliary power sources from the power supply to the two graphics cards sep

ASUS P9X79 WS 5-35.1.4 Installing the device driversRefer to the documentation that came with your graphics card package to install the device driver

5-4 Chapter 5: Multiple GPU technology supportEnabling Dual CrossFireX settings1. In the Catalyst Control Center window, click Graphics Settings >

ASUS P9X79 WS 5-55.2 NVIDIA® SLI™ technologyThe motherboard supports the NVIDIA® SLI™ (Scalable Link Interface) technology that allows you to install

5-6 Chapter 5: Multiple GPU technology support5.2.2 Installing two SLI-ready graphics cardsThe following pictures are for reference only. The graphic

ASUS P9X79 WS 5-75.2.3 Installing three SLI-ready graphics cards3-Way SLI bridge1. Prepare three SLI-ready graphics cards.2. Insert the three grap

5-8 Chapter 5: Multiple GPU technology support5.2.4 Installing four SLI-ready graphics cards1. Prepare four SLI-ready graphics cards.2. Insert the

ASUS P9X79 WS 5-95.2.5 Installing the device driversRefer to the documentation that came with your graphics card package to install the device driver

ASUS P9X79 WSChapter summary11.1 Welcome! ... 1-11.2 Package cont

5-10 Chapter 5: Multiple GPU technology supportB2. From the Personalization window, select Display Settings. B3. From the Display Settings dialog bo

ASUS P9X79 WS 5-11B5. The NVIDIA Control Panel window appears.Enabling Dual SLI settingsFrom the NVIDIA Control Panel window, select Set SLI Congura

5-12 Chapter 5: Multiple GPU technology support5.3 NVIDIA® CUDA™ technologyThe motherboard supports the NVIDIA® CUDA™ technology and up to 4 NVIDIA®

ASUS P9X79 WS 5-134. Refer to the documentation that came with your graphics card package to install the device drivers.5. To verify graphics card d

5-14 Chapter 5: Multiple GPU technology support

ASUS contact informationASUSTeK COMPUTER INC.Address 15 Li-Te Road, Peitou, Taipei, Taiwan 11259Telephone +886-2-2894-3447Fax +886-2-2890-

EC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTek COMPUTER INC. Address, City: No. 150, LI-TE RD., PEITOU, TAIPEI 112, TAIWAN R.

ASUS P9X79 WS 1-11.1 Welcome!Thank you for buying an ASUS P9X79 WS motherboard!The motherboard delivers a host of new features and latest technologie

iiE6896First Edition October 2011Copyright © 2011 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and softwar

1-2 Chapter 1: Product Introduction1.3 Special features1.3.1 Product highlightsIntel® Socket 2011 for 2nd Generation Intel® Core™ i7 Processor Extre

ASUS P9X79 WS 1-3Extra SATA 6.0 Gb/s SupportThe Intel® X79 Express Chipset natively supports the next-generation Serial ATA (SATA) interface, deliveri

1-4 Chapter 1: Product IntroductionDiag. LEDDiag. LED checks key components (CPU, memory, graphics card and hard drive) in sequence during bootup. If

ASUS P9X79 WS 1-58+2 Phase Power DesignTo fully unleash the latest Intel® Sandy Bridge-E CPU´s potential, this motherboard has adopted a brand new dig

1-6 Chapter 1: Product IntroductionUSB 3.0 BoostNew ASUS USB 3.0 Boost technology supports UASP (USB Attached SCSI Protocol), the latest USB 3.0 stand

ASUS P9X79 WS 1-7ASUS EZ DIYASUS EZ DIY feature collection provides you easy ways to install computer components, update the BIOS or back up your favo

1-8 Chapter 1: Product IntroductionDTS UltraPC IIDTS UltraPC II delivers exceptional 7.1 surround through the most popular PC audio setups - your exis

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

ASUS P9X79 WSChapter summary22.1 Before you proceed ... 2-12.2 Motherboard overvie

2.1 Before you proceedTake note of the following precautions before you install motherboard components or change any motherboard settings.• Unplug t

iiiContentsContents ... iiiNotices ...

2.2 Motherboard overview2.2.1 Motherboard layoutRefer to 2.2.9 Internal Connectors for more information about rear panel connectors and internal con

2.2.2 Layout contentsConnectors/Jumpers/Switches/Slots Page1. ATX Power connectors (8-pin EATX12V, 24-pin EATXPWR)Power connectors (8-pin EATX12V, 2

2.2.3 Central Processing Unit (CPU)The motherboard comes with a surface mount LGA2011 socket designed for the 2nd Generation Intel® Core™ i7 Processo

Recommended memory congurations2.2.4 System memoryThe motherboard comes with four Double Data Rate 3 (DDR3) Dual Inline Memory Modules (DIMM) slots.

Memory congurationsYou may install 1GB, 2GB, 4GB, 8GB unbuffered ECC or non-ECC DDR3 DIMMs into the DIMM sockets depending on the installed CPU.• Yo

2.2.5 Expansion slotsEnsure to unplug the power cord before adding or removing expansion cards. Failure to do so may cause you physical injury and da

IRQ assignments for this motherboardA B C D E F G HPCIEx16_1 shared – – – – – – –PCIEx16_2 shared – – – – – – –PCIEx16_3 shared – – – – – – –PCIEx16_4

2.2.6 Onboard switchesOnboard switches allow you to ne-tune performance when working on a bare or open-case system. This is ideal for overclockers a

3. EPU switchTurning this switch to Enable will automatically detect the current PC loadings and intelligently moderate the power consumption.For ens

5. MemOK! switchInstalling DIMMs that are incompatible with the motherboard may cause system boot failure, and the DIAGLED near the MemOK! switch lig

ivContents2.3.8 Front I/O Connector ... 2-442.3.9 Rear panel connection ...

2.2.7 Onboard LEDs1. Standby Power LEDsThe motherboard comes with a standby power LED that lights up to indicate that the system is ON, in sleep mod

4. TPU LEDThe TPU LED lights when the TPU switch is turned to Enable.®3. EPU LEDThe EPU LED lights when the EPU switch is turned to Enable.®ASUS P9X

5. WS 3-color LEDThe lighting color of the ASUS logo on the LED signies Ai Tweaker settings.P9X79 WS®P9X79 WS Ai Tweaker LED® Lights up according to

Q-Code tableCode Description00Not used01Power on. Reset type detection (soft/hard).02AP initialization before microcode loading03System Agent initiali

Code Description31 Memory Installed32 – 36 CPU post-memory initialization37 – 3A Post-Memory System Agent initialization is started 3B – 3E Post-Memor

Q-Code table (continued)Code DescriptionF5-F7Reserved for future AMI progress codesF8Recovery PPI is not availableF9Recovery capsule is not foundFAInv

Q-Code table (continued)Code Description97Console Output devices connect98Console input devices connect99Super IO Initialization9AUSB initialization i

Code DescriptionACReserved for ASL (see ASL Status Codes section below)ADReady To Boot eventAELegacy Boot eventAFExit Boot Services eventB0Runtime Se

Code Description0x01System is entering S1 sleep state0x02System is entering S2 sleep state0x03System is entering S3 sleep state0x04System is entering

2.2.8 Jumper1. Clear RTC RAM (3-pin CLRTC)This jumper allows you to clear the Real Time Clock (RTC) RAM in CMOS. You can reset the system setup para

vContents3.10.1 ASUS Update utility ... 3-493.10.2 ASUS EZ Flash 2 utility ...

2. Chassis Fan control setting (3-pin CHAFAN_SEL)These jumpers allow you to switch for fan pin selection. The CHAFAN_SEL jumper is for the front fans

2.2.9 Internal connectors1. Intel® X79 Serial ATA 6.0 Gb/s connectors (7-pin SATA6G_1/2 [gray])These connectors connect to Serial ATA 6.0 Gb/s hard

2. Intel® X79 Serial ATA 3.0 Gb/s connectors (7-pin SATA3G_3–6 [blue])These connectors connect to Serial ATA 3.0 Gb/s hard disk drives and optical di

3. Marvell® Serial ATA 6.0 Gb/s connectors (7-pin SATA6G_E1/E2 [navy blue])These connectors connect to Serial ATA 6.0 Gb/s hard disk drives via Seri

4. USB 3.0 connector (20-1 pin USB3_34)This connector is for the additional USB 3.0 ports, and complies with the USB 3.0 specicaton that supports up

You can connect the front panel USB cable to the ASUS Q-Connector (USB, blue) rst, and then install the Q-Connector (USB) to the USB connector onboar

6. IEEE 1394a port connector (10-1 pin IE1394_2)This connector is for an IEEE 1394a port. Connect the IEEE 1394a module cable to this connector, then

8. CPU, CPU OPT, Chassis fan connectors (4-pin CPU_FAN; 4-pin CPU_OPT; 4-pin CHA_FAN1/2/3/4)Connect the fan cables to the fan connectors on the mothe

9. 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 l

11. TPM connector (20-1 pin TPM) This connector supports a Trusted Platform Module (TPM) system, which can securely store keys, digital certicates,

viChapter 5: Multiple GPU technology support5.1 ATI® CrossFireX™ technology ... 5-15.1.1 Requireme

13. ATX power connectors (24-pin EATXPWR; 8-pin EATX12V)These connectors are for ATX power supply plugs. The power supply plugs are designed to t th

14. EZ Plug connector (4-pin EZ_PLUG)This 4-pin connector is for HDD power supply plug. When using 3 or more graphic cards, more power may be needed,

• 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 po

2.3 Building your computer system2.3.1 Additional tools and components to build a PC system1 bag of screws Philips (cross) screwdriverPC chassis Pow

2.3.2 CPU installationPlease note the order in opening/ closing the double latch. Follow the instructions printed on the metal sealing hatch or the i

97 85 6Triangle markBABAASUS P9X79 WS 2-37

2.3.3 CPU heatsink and fan assembly installationApply the Thermal Interface Material to the CPU heatsink and CPU before you install the he

123To remove a DIMM2.3.4 DIMM installationBAASUS P9X79 WS 2-39

2.3.5 Motherboard installationThe diagrams in this section are for reference only. The motherboard layout may vary with models, but the installation

DO NOT overtighten the screws! Doing so can damage the motherboard.3ASUS P9X79 WS 2-41

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

2.3.6 ATX Power connection12OR2-42 Chapter 2: Hardware information

2.3.7 SATA device connection2OR1ASUS P9X79 WS 2-43

2.3.8 Front I/O ConnectorIDE_LEDPOWER SWRESET SWIDE_LED-IDE_LED+PWRResetGroundGround1 2USBAAFPTo install ASUS Q-ConnectorTo install USB ConnectorTo i

2.3.9 Rear panel connectionRear panel connectors1. PS/2 mouse port 7. USB BIOS Flashback button2. LAN (RJ-45) port 1* 8. Optical S/PDIF Out port

**Audio 2, 4, 6, or 8-channel congurationPort H e a d s e t 2-channel4-channel 6-channel 8-channelLight Blue Line In Line In Line In Line InLime Line

Connect to Stereo SpeakersConnect to 2.1 channel SpeakersConnect to 4.1 channel SpeakersASUS P9X79 WS 2-47

Connect to 5.1 channel SpeakersConnect to 7.1 channel Speakers2-48 Chapter 2: Hardware information

1. Download the BIOS Flashback program le from the ASUS service website (www.asus.com). Save the program le to a USB portable disk.2. On the rear

2.4 Starting up for the rst time1. After making all the connections, replace the system case cover. 2. Be sure that all switches are off.3. Conne

2.5 Turning off the computerWhile the system is ON, pressing the power switch for less than four seconds puts the system on sleep mode

viiiREACHComplying with the REACH (Registration, Evaluation, Authorization, and Restriction of Chemicals) regulatory framework, we published the chemi

2-52 Chapter 2: Hardware information

ASUS P9X79 WS 3-1Chapter 3Chapter 3: BIOS setupChapter 33.1 Knowing BIOSThe new ASUS UEFI BIOS is an Extensible Firmware Interface that complies wit

3-2 Chapter 3: BIOS setupChapter 33.2.1 EZ ModeBy default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you

ASUS P9X79 WS 3-3Chapter 33.2.2 Advanced ModeThe Advanced Mode provides advanced options for experienced end-users to congure the BIOS settings. The

3-4 Chapter 3: BIOS setupChapter 3Menu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main

ASUS P9X79 WS 3-5Chapter 33.3 Main menuThe Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provide

3-6 Chapter 3: BIOS setupChapter 3Administrator PasswordIf you have set an administrator password, we recommend that you enter the administrator passw

ASUS P9X79 WS 3-7Chapter 33.4 Ai Tweaker menuThe Ai Tweaker menu items allow you to congure overclocking-related items.Be cautious when changing the

3-8 Chapter 3: BIOS setupChapter 3Scroll down to display the following items:Ai Overclock Tuner [Auto]Allows you to select the CPU overclocking option

ASUS P9X79 WS 3-9Chapter 3Turbo Ratio [Auto]Allows you to manually adjust the Turbo CPU ratio.[Auto] All Turbo ratio are set by Intel CPU defau

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

3-10 Chapter 3: BIOS setupChapter 33.4.1 DRAM Timing ControlThe sub-items in this menu allow you to set the DRAM timing control features. Use the <

ASUS P9X79 WS 3-11Chapter 3Scroll down to display the following items:Scroll down to display the following items:

3-12 Chapter 3: BIOS setupChapter 3Scroll down to display the following items:Primary TimingsDRAM CAS# Latency [Auto]Use the <+> and <-> k

ASUS P9X79 WS 3-13Chapter 3DRAM READ to PRE Time [Auto]Use the <+> and <-> keys to adjust the value. The values range from 4 to 15 with 1

3-14 Chapter 3: BIOS setupChapter 3Latency TimingsDRAM RTL (CHA D0 R0) [Auto]Conguration options: [Auto] [Advance 14 Clock] [Advance 12 Clock] [Advan

ASUS P9X79 WS 3-15Chapter 3DRAM RTL (CHA D1 R1) [Auto]Conguration options: [Auto] [Advance 14 Clock] [Advance 12 Clock] [Advance 10 Clock] [Advance 8

3-16 Chapter 3: BIOS setupChapter 3DRAM IOL (CHB D1 R0) [Auto]Conguration options: [Auto] [Advance 14 Clock] [Advance 13 Clock] [Advance 12 Clock] [A

ASUS P9X79 WS 3-17Chapter 3DRAM RTL (CHC D1 R0) [Auto]Conguration options: [Auto] [Advance 14 Clock] [Advance 12 Clock] [Advance 10 Clock] [Advance 8

3-18 Chapter 3: BIOS setupChapter 3DRAM IOL (CHD D0 R1) [Auto]Conguration options: [Auto] [Advance 14 Clock] [Advance 13 Clock] [Advance 12 Clock] [A

ASUS P9X79 WS 3-19Chapter 3Enhanced Training (CHC) [Auto]Conguration options: [Auto] [Disabled] [Enabled]Enhanced Training (CHD) [Auto]Conguration o