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Asus P9X79, P9X79 LE CPU Freq Spread Spectrum [Auto], PCIE Freq Spread Spectrum [Auto], DRAM Read REF Voltage on CHD [Auto]

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DRAM Read REF Voltage on CHD [Auto]

Allows you to set the DRAM Read Reference Voltage on Channel D. The values range from 0.3850x to 0.6150x with a 0.005x interval. Different ratio might enhance DRAM overclocking ability.

CPU Freq Spread Spectrum [Auto]

[Auto]	Sets to Auto mode.
[Disabled]	Enhances the BCLK overclocking ability.
[Enabled]	Sets to [Enabled] for EMI control.

PCIE Freq Spread Spectrum [Auto]

[Auto]	Sets to Auto mode.
[Disabled]	Enhances the PCIE overclocking ability.
[Enabled]	Sets to [Enabled] for EMI control.

3.5Advanced menu

The Advanced menu items allow you to change the settings for the CPU and other system devices.

Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction.

3 Chapter

3-26	Chapter 3: BIOS setup

Contents

Page Page Notices Chapter 1: Product introduction Chapter 2: Hardware information Chapter 3: BIOS setup Chapter 4: Software support Chapter 5: Multiple GPU technology support Federal Communications Commission Statement Canadian Department of Communications Statement REACH Electrical safety Operation safety How this guide is organized Where to find more information Conventions used in this guide Typography Page Page Page Chapter 1.3.1Product highlights 1.3.2Dual Intelligent Processors 3 with New DIGI+ Power Control 1.3.3ASUS Exclusive Features 1.3.4ASUS Quiet Thermal Solution 1.3.5ASUS EZ DIY 1.3.6Other special features DTS UltraPC DTS Connect ErP Ready Page 2.2.1Motherboard layout Layout contents Connectors/Jumpers/Slots Page 2.2.2Central Processing Unit (CPU) 2.2.3System memory Memory configurations P9X79 Motherboard Qualified Vendors Lists (QVL) DDR3 2400 MHz capability DDR3 2250 MHz capability DDR3 2200 MHz capability DDR3 2133 MHz capability DDR3 2133 MHz capability (continued) DDR3 2000 MHz capability DDR3 1866 MHz capability DDR3 1800 MHz capability DDR3 1600 MHz capability DDR3 1600 MHz capability (continued) Page DDR3 1333 MHz capability DDR3 1333 MHz capability (continued) Page 2.2.4Expansion slots IRQ assignments for this motherboard 2.2.5Onboard switches 2.TPU switch 3.EPU switch 2.2.6Onboard LEDs 3.TPU LED 4.EPU LED 2.2.7Jumper 2.2.8Internal connectors 2.Intel® X79 Serial ATA 3.0 Gb/s connectors (7-pin SATA3G_3–6[blue]) 3.USB 2.0 connectors (10-1pin USB78; USB910; USB1112; USB1314) 4.TPM connector (20-1pin TPM) 5.Serial port connector (10-1pin COM1) 6.Digital audio connector (4-1pin SPDIF_OUT) 7.CPU, CPU OPT, Chassis fan connectors (4-pinCPU_FAN; 4-pinCPU_OPT; 4-pinCHA_FAN1/2/3/4) 8.Front panel audio connector (10-1pin AAFP) 9.ATX power connectors (24-pinEATXPWR; 8-pinEATX12V) 10.System panel connector (20-8pin PANEL) •System power LED (2-pinPLED) •Hard disk drive activity LED (2-pinIDE_LED) •System warning speaker (4-pinSPEAKER) •ATX power button/soft-offbutton (2-pinPWRSW) 2.3.1Additional tools and components to build a PC system 2.3.2CPU installation Page 2.3.3CPU heatsink and fan assembly installation 2.3.4DIMM installation 2.3.5Motherboard installation Page 2.3.6ATX Power connection 2.3.7SATA device connection 2.3.8Front I/O Connector 2.3.9Expansion Card installation 2.3.10USB BIOS Flashback 2.3.11Rear panel connection *LAN ports LED indications Activity Link LED Description ** Audio 2, 4, 6, or 8-channelconfiguration Port 2.3.12Audio I/O connections Connect to 4.1 channel Speakers Connect to 5.1 channel Speakers Connect to 7.1 channel Speakers BIOS Beep EZ Mode Advanced Mode Exit Exit/Advanced Mode 3.2.1EZ Mode 3.2.2Advanced Mode Menu items Main Back button Submenu items Pop-upwindow Security Administrator Password Administrator Password Create New Password Enter Current Password User Password User Password Page Ai Overclock Tuner [Auto] Turbo Ratio [Auto] CPU Clock Gen Filter [Auto] Memory Frequency [Auto] EPU Power Saving Mode [Disabled] EPU Setting [Auto] 3.4.1DRAM Timing Control Page Primary Timings DRAM CAS# Latency [Auto] DRAM RAS# to CAS# Delay [Auto] DRAM RAS# PRE Time [Auto] DRAM RAS# ACT Time [Auto] DRAM READ to PRE Time [Auto] DRAM FOUR ACT WIN Time [Auto] DRAM WRITE to READ Delay [Auto] DRAM WRITE Latency [Auto] tRRDD [Auto] DRAM IOL (CHA D0 R0) [Auto] DRAM RTL (CHA D0 R1) [Auto] DRAM IOL (CHA D0 R1) [Auto] DRAM RTL (CHA D1 R0) [Auto] DRAM IOL (CHA D1 R0) [Auto] DRAM RTL (CHB D0 R0) [Auto] DRAM IOL (CHB D0 R0) [Auto] DRAM RTL (CHB D0 R1) [Auto] DRAM IOL (CHB D0 R1) [Auto] DRAM RTL (CHB D1 R0) [Auto] DRAM IOL (CHB D1 R1) [Auto] DRAM RTL (CHC D0 R0) [Auto] DRAM IOL (CHC D0 R0) [Auto] DRAM RTL (CHC D0 R1) [Auto] DRAM IOL (CHC D0 R1) [Auto] DRAM RTL (CHC D1 R1) [Auto] DRAM IOL (CHC D1 R1) [Auto] DRAM RTL (CHD D0 R0) [Auto] DRAM IOL (CHD D0 R0) [Auto] DRAM RTL (CHD D0 R1) [Auto] DRAM IOL (CHD D1 R0) [Auto] DRAM RTL (CHD D1 R1) [Auto] DRAM IOL (CHD D1 R1) [Auto] DRAM CLK Period [Auto] Enhanced Training (CHA) [Auto] MCH Duty Sense (CHD) [Auto] MCH Recheck [Auto] 3.4.2DIGI+ Power Control CPU Load-LineCalibration [Auto] CPU Current Capability [Auto] CPU VCORE Boot Up Voltage [Auto] VCCSA Load-linecalibration [Auto] VCCSA Current Capability [100%] CPU Voltage Frequency [Auto] CPU Power Duty Control [T.Probe] CPU Power Phase Control [Auto] DRAM-ABCurrent Capability [100%] DRAM-ABVoltage Frequency [Auto] DRAM-ABPower Phase control [Auto] 3.4.3CPU Performance Settings CPU VCORE/VCCSA Voltage CPU VCCSA Voltage Turbo Mode Parameters CPU VCORE Voltage [Offset Mode] CPU VCORE Voltage DRAM Voltage (CHA, CHB) [Auto] DRAM Voltage (CHC, CHD) [Auto] CPU PLL Voltage [Auto] VTTCPU Voltage [Auto] PCH 1.1v Voltage [Auto] DRAM DATA REF Voltage on CHA [Auto] DRAM CTRL REF Voltage on CHB [Auto] DRAM DATA REF Voltage on CHB [Auto] DRAM CTRL REF Voltage on CHC [Auto] DRAM DATA REF Voltage on CHC [Auto] DRAM Read REF Voltage on CHD [Auto] CPU Freq Spread Spectrum [Auto] PCIE Freq Spread Spectrum [Auto] 3.5.1CPU Configuration 3.5.2CPU Power Management Configuration 3.5.3PCH Configuration 3.5.4 SATA Configuration SATA Mode [AHCI Mode] Serial-ATAController 0 [Enhanced] Serial-ATAController 1 [Enhanced] S.M.A.R.T. Status Check [Enabled] SATA6G_1 (Gray) SATA3G_3 (Blue) SATA3G_4 (Blue) SATA3G_5 (Blue) SATA3G_6 (Blue) 3.5.5USB Configuration 3.5.6Onboard Devices Configuraton Intel LAN PXE OPROM [Disabled] VIA 1394 Controller [Enabled] Asmedia USB 3.0 Controller [Enabled] ASM1061 Storage Controller [AHCI Mode] ASM1061 Storage OPROM [Enabled] 3.5.7APM CPU Temperature [xxxºC/xxxºF]�� MB Temperature ��[xxxºC/xxxºF] CPU Fan Speed [xxxx RPM] or [Ignore] / [N/A] CPU OPT Fan Speed [xxxx RPM] or [Ignore] / [N/A] Chassis Fan 1/2/3/4 Speed [xxxx RPM] or [Ignore] / [N/A] N/A Chassis 1/2/3/4 Q-FanControl [Enabled] Chassis 1/2/3/4 Fan Speed Low Limit [600 RPM] Chassis 1/2/3/4 CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage Anti Surge Support [Enabled] Bootup NumLock State [On] Full Screen Logo [Enabled] Wait For ‘F1’ If Error [Enabled] Option ROM Messages [Force BIOS] Setup Mode [EZ Mode] Boot Option Priorities Boot Override 3.8.1ASUS EZ Flash 2 Utility 3.8.2ASUS DRAM SPD Information 3.8.3ASUS O.C. Profile Load Optimized Defaults Save Changes & Reset Discard Changes & Exit ASUS EZ Mode Launch UEFI Shell from filesystem device 3.10.1ASUS Update utility Updating the BIOS through the Internet Update BIOS from Internet Updating the BIOS through a BIOS file Update BIOS from file 3.10.2ASUS EZ Flash 2 utility 3.10.3ASUS CrashFree BIOS 3 utility 3.10.4ASUS BIOS Updater Backing up the current BIOS bupdater /o[filename] Updating the BIOS file bupdater /pc /g 4.2.1Running the support DVD 4.2.2Obtaining the software manuals 4.3.1AI Suite 4.3.2TurboV EVO Using Advanced Mode CPU Ratio CPU ratio Apply CPU Strap Auto Tuning Fast Tuning Extreme Tuning Fast Extreme 4.3.3DIGI+ Power Control Page 4.3.4EPU 4.3.5FAN Xpert+ 4.3.6Sensor Recorder 4.3.7Probe 4.3.8USB 3.0 Boost 4.3.9ASUS Update 4.3.10MyLogo2 Auto Tune 4.3.11Audio configurations 4.4.1RAID definitions 4.4.2Installing Serial ATA hard disks 4.4.3Setting the RAID item in BIOS 4.4.4Intel® Rapid Storage Technology Option ROM utility Creating a RAID set 1. Create RAID Volume RAID Level Disks SELECT DISKS Create Volume CREATE VOLUME Deleting a RAID set 2. Delete RAID Volume DELETE VOLUME Exiting the Intel® Rapid Storage Technology Option ROM utility 5. Exit 4.5.1Creating a RAID driver disk without entering the OS 4.5.2Creating a RAID driver disk in Windows® 4.5.3Installing the RAID driver during Windows® OS installation 4.5.4Using a USB floppy disk drive 4Chapter Page 5.1.1Requirements 5.1.2Before you begin 5.1.3Installing two CrossFireX™ graphics cards 5.1.4Installing the device drivers 5.1.5Enabling the AMD® CrossFireX™ technology 5.2.1Requirements 5.2.2Installing two SLI-readygraphics cards 5.2.3Installing the device drivers 5.2.4Enabling the NVIDIA® SLI™ technology Personalize Advanced Settings Start the NVIDIA Control Panel Enabling SLI settings Page ASUSTeK COMPUTER INC Technical Support ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Germany and Austria) DECLARATION OF CONFORMITY EC Declaration of Conformity