Asus P9X79-E WS User Manual

MotherboardP9X79-E WS

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

3-24Chapter 3: BIOS setupBe cautious when changing the settings of the Advanced menu items. Incorrect eld values can cause the system to malfunction.

ASUS P9X79-E WS3-253.5.1 CPU CongurationThe items in this menu show the CPU-related information that the BIOS automatically detects.The items shown

3-26Chapter 3: BIOS setupActive Processor Cores [All]Allows you to choose the number of CPU cores to activate in each processor package. Conguration

ASUS P9X79-E WS3-27CPU C3 Report [Auto]Allows you to disable or enable the CPU C3 report to OS.CPU C6 Report [Auto]Allows you to disable or enable the

3-28Chapter 3: BIOS setup3.5.3 PCH CongurationHigh Precision Timer [Enabled]Allows you to enable or disable the High Precision Event Timer. Congura

ASUS P9X79-E WS3-29SATA Mode [AHCI Mode]Allows you to set the SATA conguration.[Disabled] Disables the SATA function.[IDE Mode] Set to [IDE Mode] w

3-30Chapter 3: BIOS setupSATA6G_5 (Blue) Hot Plug [Disabled]This item appears only when you set the previous item to [AHCI Mode] and [RAID mode]. It a

ASUS P9X79-E WS3-31The USB Devices item shows the auto-detected values. If no USB device is detected, the item shows None.Legacy USB Support [Enabled]

3-32Chapter 3: BIOS setup3.5.6 Onboard Devices ConguratonAzalia HD Audio [Enabled][Disabled] Disables the controller.[Enabled] Enables the High De

ASUS P9X79-E WS3-33Intel LAN1 Controller [Enabled][Disabled] Disables the controller.[Enabled] Enables the Intel LAN controller.Intel LAN1 OPROM [Di

xiP9X79-E WS specications summaryCPU 2nd Generation Intel® Core™ i7 Processor for the LGA 2011 Socket Intel® Xeon® E5-1600 processor for the LGA 2011

3-34Chapter 3: BIOS setupRestore AC Power Loss [Power Off][Power On] The system goes into on state after an AC power loss.[Power Off] The system goe

ASUS P9X79-E WS3-353.6 Monitor menuThe Monitor menu displays the system temperature/power status, and allows you to change the fan settings.CPU Tempe

3-36Chapter 3: BIOS setupCPU 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 RPM

ASUS P9X79-E WS3-37Chassis 1/2/3/4 Q-Fan Control [Enabled][Disabled] Disables the Chassis Q-Fan control feature.[Enabled] Enables the Chassis Q-Fan

3-38Chapter 3: BIOS setup3.7 Boot menuThe Boot menu items allow you to change the system boot options.Boot CongurationFast Boot [Enabled][Enabled]

ASUS P9X79-E WS3-39PS/2 Keyboard and Mouse Support [Auto]Select any of these settings when PS/2 keyboard and mouse are installed. These settings only

3-40Chapter 3: BIOS setupSetup Mode [EZ Mode][Advanced Mode] Sets Advanced Mode as the default screen for entering the BIOS setup program.[EZ Mode]

ASUS P9X79-E WS3-41Key ManagementThis item appears only when you set Secure Boot Mode to [Custom]. It allows you to manage the Secure Boot keys.Instal

3-42Chapter 3: BIOS setup3.8.1 ASUS EZ Flash 2 UtilityAllows you to run ASUS EZ Flash 2 Utility to update BIOS. When you press <Enter>, a conr

ASUS P9X79-E WS3-433.8.3 ASUS O.C. ProleThis item allows you to store or load multiple BIOS settings. The Setup Prole Status items will show Not In

xii1394VIA VT6315N controller support 1x1394a portAudioRealtek® ALC 1150 8-channel High Denition Audio CODEC - Supports 192kHz/ 24bit BD Lossless

3-44Chapter 3: BIOS setup3.9 Exit menuThe Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your c

ASUS P9X79-E WS3-453.10.1 ASUS Update utilityThe ASUS Update is a utility that allows you to manage, save, and update the motherboard BIOS in Windows

3-46Chapter 3: BIOS setupUpdating the BIOS through the InternetTo update the BIOS through the Internet:1. From the ASUS Update screen, select Update

ASUS P9X79-E WS3-47• The screenshots in this section are for reference only. The actual BIOS information vary by models.• Refer to the software manu

3-48Chapter 3: BIOS setup3.10.2 ASUS EZ Flash 2 utilityThe ASUS EZ Flash 2 feature allows you to update the BIOS without having to use a bootable op

ASUS P9X79-E WS3-493.10.3 ASUS CrashFree BIOS 3 utilityThe ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore the BIOS

3-50Chapter 3: BIOS setupBooting the system in DOS environment1. Insert the USB ash drive with the latest BIOS le and BIOS Updater to the USB port.

ASUS P9X79-E WS3-512. The BIOS Updater backup screen appears indicating the BIOS backup process. When BIOS backup is done, press any key to return to

3-52Chapter 3: BIOS setup4. Select Yes and press <Enter>. When BIOS update is done, press <ESC> to exit BIOS Updater. Restart your comput

Chapter 4: Software support

xiiiBack Panel I/O Ports2 x USB 3.0/2.0 ports (blue) 10 x USB 2.0/1.1 ports (white port can be switched to USB BIOS Flashback) 1 x USB BIOS Flashback

ASUS P9X79-E WSChapter summary4This chapter describes the contents of the support DVD that comes with the motherboard package and the sof

ASUS P9X79-E WS4-3If Autorun is NOT enabled in your computer, browse the contents of the support DVD to locate the le ASSETUP.EXE from the BIN folder

4-4Chapter 4: Software support4.2.2 Obtaining the software manualsThe software manuals are included in the support DVD. Follow the instructions below

ASUS P9X79-E WS4-54.3 Software informationMost of the applications in the support DVD have wizards that will conveniently guide you through the insta

4-6Chapter 4: Software support4.3.2 ASUS SSD Caching IIASUS SSD Caching II uses installed SSDs for multi-caching of frequently accessed data or appli

ASUS P9X79-E WS4-73. To cancel caching, click .• During initialization, you can proceed with doing any system operations. You can check the caching

4-8Chapter 4: Software support4.3.3 Ai Charger+This utility allows you to fast-charge your portable BC 1.1* mobile devices on your computer’s USB por

ASUS P9X79-E WS4-94.3.4 ASUS UpdateASUS Update lays out the options for updating BIOS on your system. Update BIOS utility on your system or simply sa

4-10Chapter 4: Software support4.3.5 DIGI+ Power ControlDIGI+ PowerControl allows you to adjust VRM voltage and frequency modulation to enhance relia

ASUS P9X79-E WS4-11• The actual performance boost may vary depending on your CPU specication.• Do not remove the thermal module. The thermal condit

xiv

4-12Chapter 4: Software support4.3.6 EPUEPU is an energy-efcient tool that satises different computing needs. This utility provides several modes t

ASUS P9X79-E WS4-13Refer to the software manual in the support DVD or visit the ASUS website at www.asus.com for detailed software conguration.4.3.7

4-14Chapter 4: Software support4.3.8 MyLogo2This MyLogo utility lets you customize the boot logo. The boot logo is the image that appears on screen d

ASUS P9X79-E WS4-152. Click on Auto Tune to adjust image size compatibility or adjust the resolution bar.3. You can click on Booting Preview to prev

4-16Chapter 4: Software support4.3.9 Probe IIProbe II is a utility that monitors the computer’s vital components, and detects and alerts you of any p

ASUS P9X79-E WS4-174.3.10 TurboV EVOASUS TurboV EVO introduces TurboV that allows you to manually adjust the CPU frequency and related voltages as we

4-18Chapter 4: Software supportUsing Advanced ModeClick on the Advanced Mode tab to adjust the advanced voltage settings.Advanced modeApplies all chan

ASUS P9X79-E WS4-19Auto TuningASUS TurboV EVO includes two auto tuning modes, providing the most exible auto-tuning options.• The overclocking resul

4-20Chapter 4: Software support3. TurboV automatically overclocks the CPU, saves BIOS settings and restarts the system. After re-entering Windows, a

ASUS P9X79-E WS4-214.3.11 USB 3.0 BoostThe ASUS exclusive USB 3.0 Boost provides speed boost for USB 3.0 devices and the up-to-date support of USB At

Chapter 1: Product Introduction

4-22Chapter 4: Software supportA. Realtek HD Audio Manager with DTS UltraPC II for Windows® 7™ / Vista™4.3.12 Audio congurationsThe Realtek® audio C

ASUS P9X79-E WS4-234.3.13 ASUS Dr. Power UtilityASUS Dr. Power is a monitoring utility that provides notications when the power supply is unable to

4-24Chapter 4: Software supportWhen ASUS Dr. Power detects that your system is running low on power, an event notication pops up to indicate that you

ASUS P9X79-E WS4-254.4 RAID congurationsThe motherboard supports the following SATA RAID solutions:• Intel® Rapid Storage Technology with RAID 0, RA

4-26Chapter 4: Software support4.4.2 Installing Serial ATA hard disksThe motherboard supports Serial ATA hard disk drives. For optimal performance, i

ASUS P9X79-E WS4-27Creating a RAID setTo create a RAID set:1. From the utility main menu, select 1. Create RAID Volume and press <Enter>. The f

4-28Chapter 4: Software support5. Use the up/down arrow key to select a drive, and then press <Space> to select. A small triangle marks the sel

ASUS P9X79-E WS4-29Deleting a RAID setTake caution when deleting a RAID set. You will lose all data on the hard disk drives when you delete a RAID set

4-30Chapter 4: Software support4.4.5 Marvell RAID utilityThe onboard Marvell SATA 6.0 Gb/s controller allows you to create a RAID 0 or RAID 1 array

ASUS P9X79-E WS4-314. Use the up or down arrow key to move the selection bar and press <Enter> to congure further RAID settings. RAID Level:

ASUS P9X79-E WSChapter summary1This chapter describes the motherboard features and the new technologies it supports. This chapter contains the followi

4-32Chapter 4: Software support6. Press <F10>. The following warning message appears: Press <Y> to save the RAID setting and exit the M

ASUS P9X79-E WS4-33Do you want to delete this virtual disk ? Yes NoDelete Virtual Disk2. The following warning message appears

4-34Chapter 4: Software support

Chapter 5: Multiple GPU technology support

ASUS P9X79-E WSChapter summary5This chapter describes the motherboard features and the new technologies it supports. This chapter contains the followi

ASUS P9X79-E WS5-35.1 ATI® CrossFireX™ technologyThe motherboard supports the ATI® CrossFireX™ technology that allows you to install multi-graphics p

5-4Chapter 5: Multiple GPU technology support5.1.3 Installing two CrossFireX™ graphics cardsThe following pictures are for reference only. The graphi

ASUS P9X79-E WS5-55. Connect two independent auxiliary power sources from the power supply to the two graphics cards separately.6. Connect a VGA or

5-6Chapter 5: Multiple GPU technology support5.1.5 Installing four CrossFireX™ graphics cards1. Prepare four CrossFireX-ready graphics cards. 2. In

ASUS P9X79-E WS5-75.1.6 Installing the device driversRefer to the documentation that came with your graphics card package to install the device drive

ASUS P9X79-E WS1-3If any of the above items is damaged or missing, contact your retailer.Motherboard ASUS P9X79-E WSI/O modules 1 x 2-port USB 2.0 + 1

5-8Chapter 5: Multiple GPU technology support1Enabling Dual CrossFireX technology1. In the Catalyst Control Center window, click Performance > AMD

ASUS P9X79-E WS5-95.2 NVIDIA® SLI™ technologyThe motherboard supports the NVIDIA® SLI™ (Scalable Link Interface) technology that allows you to instal

5-10Chapter 5: Multiple GPU technology support5.2.2 Installing two SLI-ready graphics cardsThe following pictures are for reference only. The graphic

ASUS P9X79-E WS5-115.2.3 Installing three SLI-ready graphics cards3-Way SLI bridge1. Prepare three SLI-ready graphics cards.2. Insert the three gr

5-12Chapter 5: Multiple GPU technology support5.2.4 Installing four SLI-ready graphics cards1. Prepare four SLI-ready graphics cards.2. Insert the

ASUS P9X79-E WS5-13B1. If you cannot see the NVIDIA Control Panel item in step (A), select Screen Resolution.B2. From the Screen Resolution window,

5-14Chapter 5: Multiple GPU technology supportB3. The NVIDIA Control Panel window appears.Enabling SLI settingsFrom the NVIDIA Control Panel window,

ASUS P9X79-E WS5-155.3 NVIDIA® CUDA™ technologyThe motherboard supports the NVIDIA® CUDA™ technology and up to 4 NVIDIA® Tesla™ computing processor c

5-16Chapter 5: Multiple GPU technology support4. Refer to the documentation that came with your graphics card package to install the device drivers.5

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

1-4Chapter 1: Product Introduction1.3 Special features1.3.1 Product highlightsIntel® Socket 2011 for 2nd Generation Intel® Core™ i7 Processor Extrem

EC Declaration of Conformity We, the undersigned, Manufacturer: ASUSTeK COMPUTER INC. Address, City: 4F, No. 150, LI-TE Rd., PEITOU, TAIPEI 112, TAIWA

ASUS P9X79-E WS1-5Power eSATA 6Gb/s Ready2X faster with fully charged powerPowered eSATA 6Gb/s combines data and power connectivity. Users enjoy 2X fa

iiE8097First Edition March 2013Copyright © 2013 ASUSTeK COMPUTER INC. All Rights Reserved.No part of this manual, including the products and software

1-6Chapter 1: Product Introduction1.3.3 ASUS featuresNew DIGI+ Power ControlAll-New Digital Power Control for both CPU and DRAM ASUS X79 motherboards

ASUS P9X79-E WS1-7USB 3.0 BoostNew ASUS USB 3.0 Boost technology supports UASP (USB Attached SCSI Protocol), the latest USB 3.0 standard. With USB 3.0

1-8Chapter 1: Product IntroductionASUS Fanless Design—Heat-pipe solutionThe stylish heatsink offers 0dB cooling for a quiet PC environment. Attractive

ASUS P9X79-E WS1-9ASUS Q-DesignASUS Q-Design enhances your DIY experience. All of Q-LED, Q-Slot, Q-Code and Q-DIMM design speed up and simplify the DI

1-10Chapter 1: Product Introduction

Chapter 2: Hardware Information

ASUS P9X79-E WSChapter summary22.1 Before you proceed ... 2-32.2 Mot

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

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 (24-pin EATXPWR, 8-pin EATX12V, 6-pin EATX12V_1)2-352. DDR3 DI

iiiContentsNotices ... viSafety i

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

6. ASUS Dr. POWER switchThis switch allows you to enable or disable the ASUS Dr. Power feature. Install the bundled ASUS Dr. Power Utility then enabl

2.2.7 Onboard LEDs1. Diagnosis LEDThese diagnosis LEDs of CPU, DRAM, VGA card, and HDD indicate key component status during POST (Power-on Self Test

ivContents2.5 Turning off the computer ...2-52Chapter 3: BIOS setup3.1 Knowi

3. TPU LEDThe TPU LED lights up when the TPU switch is turned to Enable.4. Q-Code LEDThe Q-Code LED design provides you the 2-digit display,

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

Code Description31Memory Installed32 – 36CPU post-memory initialization37 – 3APost-Memory System Agent initialization is started 3B – 3EPost-Memory PC

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

6. PGLED3 LEDThe ASUS Dr. Power LED near the ASUS Dr. Power switch lights up when the ASUS Dr. Power switch is turned to enable.7. +12V_PWR LEDThe A

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

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

vContents4.3.4 ASUS Update ... 4-94.3.5 DIGI+ Power Control ...

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

3. Marvell® Serial ATA 6.0 Gb/s connectors (7-pin SATA6G_E1/E2/E3/E4 [gray])These connectors connect to Serial ATA 6.0 Gb/s hard disk drives v

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 th

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_1)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 mot

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

10. Serial port connector (10-1 pin COM1)This connector is for a serial (COM) port. Connect the serial port module cable to this connector, then inst

12. ATX power connectors (24-pin EATXPWR; 8-pin EATX12V, 6-pin EATX12V_1)These connectors are for ATX power supply plugs. The power supply plugs are

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

• 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-E WS2-39

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

123To remove a DIMM2.3.4 DIMM installationBAASUS P9X79-E WS2-41

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-E WS2-43

2.3.6 ATX Power connection12OR2-44Chapter 2: Hardware information

2.3.7 SATA device connection2OR1ASUS P9X79-E WS2-45

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

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

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

**Audio 2, 4, 6, or 8-channel congurationPort Headset 2-channel4-channel 6-channel 8-channelLight Blue Line In Line In Line In Line InLime Line Out F

Connect to Stereo SpeakersConnect to 2.1 channel SpeakersConnect to 4.1 channel SpeakersASUS P9X79-E WS2-49

Connect to 5.1 channel SpeakersConnect to 7.1 channel Speakers2-50Chapter 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

Chapter 3: BIOS setup

ASUS P9X79-E WSChapter summary3This chapter tells how to change the system settings through the BIOS Setup menus. Detailed descriptions of the BIOS

ASUS P9X79-E WS3-3The new ASUS UEFI BIOS is an Extensible Firmware Interface that complies with UEFI architecture, offering a user-friendly interface

viiiSafety informationElectrical safetyTo prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the

3-4Chapter 3: BIOS setup3.2.1 EZ ModeBy default, the EZ Mode screen appears when you enter the BIOS setup program. The EZ Mode provides you an overvi

ASUS P9X79-E WS3-53.2.2 Advanced ModeThe Advanced Mode provides advanced options for experienced end-users to congure the BIOS settings. The gure b

3-6Chapter 3: BIOS setupMenu itemsThe highlighted item on the menu bar displays the specic items for that menu. For example, selecting Main shows the

ASUS P9X79-E WS3-73.3 Main menuThe Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provides you an

3-8Chapter 3: BIOS setupAdministrator PasswordIf you have set an administrator password, we recommend that you enter the administrator password for ac

ASUS P9X79-E WS3-93.4 Ai Tweaker menuThe Ai Tweaker menu items allow you to congure overclocking-related items.Be cautious when changing the setting

3-10Chapter 3: BIOS setupScroll down to display the following items:Ai Overclock Tuner [Auto]Allows you to select the CPU overclocking options to achi

ASUS P9X79-E WS3-11Turbo Ratio [Auto]Allows you to manually adjust the Turbo CPU ratio.[Auto] All Turbo ratio are set by Intel CPU default

3-12Chapter 3: BIOS setupPrimary TimingsDRAM CAS# Latency [Auto]Use the <+> and <-> keys to adjust the value. The values range from 3 to 1

ASUS P9X79-E WS3-13tRWDD [Auto]Use the <+> and <-> keys to adjust the value. The values range from 0 to 15 with 1 interval.tWRDR [Auto]Use

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

3-14Chapter 3: BIOS setupDRAM IOL (CHA D1 R1) [Auto]Conguration options: [Auto] [Advance 14 Clock] – [Advance 1 Clock] [Normal] [Delay 1 Clock] – [De

ASUS P9X79-E WS3-15DRAM IOL (CHC D0 R0) [Auto]Conguration options: [Auto] [Advance 14 Clock] – [Advance 1 Clock] [Normal] [Delay 1 Clock] – [Delay 14

3-16Chapter 3: BIOS setupDRAM IOL (CHD D0 R1) [Auto]Conguration options: [Auto] [Advance 14 Clock] – [Advance 1 Clock] [Normal] [Delay 1 Clock] – [De

ASUS P9X79-E WS3-17Transmitter Slew [Auto]Conguration options: [Auto] [Normal] [More]MCH Recheck [Auto]Conguration options: [Auto] [Disabled] [Enabl

3-18Chapter 3: BIOS setupVCCSA Current Capability [100%]Allows you to set the VCCSA current capability. A higher value brings wider total DRAM control

ASUS P9X79-E WS3-19Manual Adjustment [Medium]This item appears when you set the CPU Power Phase Control item to [Manual Adjustment]. Select Ultra Fast

3-20Chapter 3: BIOS setupCPU Performance SettingsThe items in this menu is setting for CPU Ratio/Features.CPU Ratio [Auto]This item allows user manual

ASUS P9X79-E WS3-21CPU VCORE Voltage [Offset Mode]This adjusts the power supply for the processor cores and cache to help core frequency overclocking.

3-22Chapter 3: BIOS setupDRAM Voltage (CHA, CHB) [Auto]Allows you to set the DRAM voltage. The values range from 1.20V to 1.99V with a 0.005V interval

ASUS P9X79-E WS3-23DRAM CTRL REF Voltage on CHB [Auto]Allows you to set the DRAM CTRL REF Voltage on Channel B. The values range from 0.3950x to 0.630