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Asus P8Z77-M, P8Z77MPRO 2.4.1Ai Overclock Tuner [Auto], Turbo Ratio, Turbo Ratio, Ai Overclock Tuner, Turbo Ratio [Auto], BCLK/PEG Frequency [100.0], Turbo Ratio [By All Cores]

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Target CPU Turbo-Mode Speed : xxxxMHz

Displays the current CPU turbo-mode speed.

Target DRAM Speed : xxxxMHz

Displays the current DRAM speed.

2.4.1Ai Overclock Tuner [Auto]

Allows you to select the CPU overclocking options to achieve the desired CPU internal frequency. Select any of these preset overclocking configuration options:

[Auto]	Loads the optimal settings for the system.
[Manual]	Allows you to individually set overclocking parameters.
[X.M.P.]	If you install memory modules supporting the eXtreme Memory Profile
	(X.M.P.) Technology, choose this item to set the profiles supported by your
	memory modules for optimizing the system performance.

BCLK/PEG Frequency [100.0]

Allows you to adjust the CPU and VGA frequency to enhance the system performance. Use the <+> and <-> keys to adjust the value. You can also key in the desired value using the numeric keypad. The values range from 80.0MHz to 300.0MHz.

eXtreme Memory Profile [High Performance]

This item appears only when you set the Ai Overclock Tuner item to [X.M.P.] and allows you to select the X.M.P. mode supported by your memory module.

Configuration options: [Disabled] [Profile #1] [Profile #2]

Turbo Ratio [By All Cores]

Allows you to manually adjust the Turbo CPU ratio.

[Auto]	All Turbo ratio are set by Intel CPU default settings.
[By ALL Cores (Can Adjust in OS)]	All numbers of active cores will be set to one single
	Turbo ratio in OS.
[By Per Core (Cannot Adjust in OS)]	All numbers of active cores can be set to an individual
	Turbo ratio in BIOS.

By ALL Cores (Can Adjust in OS) [Auto]

This item appears only when you set the Turbo Ratio item to [By ALL Cores (Can Adjust in OS)]. Use the <+> and <-> keys to adjust the value.

1-/2-/3-/4-Core Ratio Limit [Auto]

This item appears only when you set the Turbo Ratio item to [By Per Core (Cannot Adjust in OS)]. Use the <+> and <-> keys to adjust the value.

Options may vary with CPU type. When using Intel 3rd Generation Core Processor, options may appear as below.

Turbo Ratio [Auto]

Allows you to manually adjust the Turbo CPU ratio.

[Auto]	All Turbo ratio are set by Intel CPU default settings.
[Manual]	Allows you to manually set a Turbo Ratio for every
	core activation of a fully unlocked CPU.

Chapter 2: BIOS information

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Contents

Page Page Chapter Product introduction BIOS information Electrical safety Operation safety How this guide is organized Conventions used in this guide Where to find more information Typography P8Z77-Mspecifications summary CPU Chipset Memory Expansion slots LAN Audio USB ASUS Exclusive Overclocking Page BIOS features Manageability Accessories Support DVD Form factor 1.1Before you proceed 1.2.1Placement direction 1.2.2Screw holes 1.2.3Motherboard layout 1.2.4Layout contents 1.3.1Installing the CPU Page 1.3.2CPU heatsink and fan assembly installation 1.4.1Overview 1.4.2Memory configurations DDR3-2200(O.C.)MHz capability DDR3-2133(O.C.)MHz capability DDR3-2000(O.C.)MHz capability DDR3-1866(O.C.)MHz capability DDR3-1600MHz capability DDR3-1600MHz capability (continued) DDR3-1333MHz capability DDR3-1333MHz capability (continued) 2.3.4 DIMM installation 1.5.1Installing an expansion card 1.5.2Configuring an expansion card 1.5.3PCI Express x1 slot 1.5.4PCI Express x16 slot 1.6Onboard switches 1.MemOK! switch 1.7USB BIOS Flashback 1.8Onboard LEDs 1.Standby power LED (SB_PWR) 2.DRAM LED (DRAM_LED) 1.9Jumpers Clear RTC RAM (3-pinCLRTC) Del 1.10.1Rear panel connectors 1.10.2Internal connectors 2.ATX power connectors (24-pinEATXPWR, 8-pinATX12V) 3.Intel® Z77 Serial ATA 6.0 Gb/s connectors (7-pinSATA6G_1/2 [gray]) 4.Intel® Z77 Serial ATA 3.0 Gb/s connectors (7-pin SATA3G_3–6[blue]) 5.CPU and chassis fan connectors (4-pinCPU_FAN, 4-pin CHA_FAN1-3) 6.TPM connector (20-1pin TPM) 7.Serial port connectors (10-1pin COM1) 8.USB 2.0 connectors (10-1pin USB910; USB1112; USB1314) 9.Intel® Z77 USB 3.0 connectors (20-1pin USB3_12) 10.Digital audio connector (4-1pin SPDIF_OUT) 11.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) 1.11.1Installing an operating system 1.11.2Support DVD information Page 2.1.1ASUS Update utility 2.1.2ASUS EZ Flash 2.1.3ASUS CrashFree BIOS 3 utility 2.1.4ASUS BIOS Updater Updating the BIOS file To update the BIOS file using BIOS Updater bupdater /pc /g 2.2BIOS setup program EZ Mode Exit Exit/Advanced Mode 2.2.1EZ Mode 2.2.2Advanced Mode Menu items Main Back button Submenu items Pop-upwindow 2.3.1System Language [English] 2.3.2System Date 2.3.3System Time 2.3.4Security Administrator Password Administrator Password Create New Password Enter Current Password User Password User Password 2.4Ai Tweaker menu 2.4.1Ai Overclock Tuner [Auto] 2.4.2OC Tuner 2.4.3DRAM Timing Control 2.4.4CPU Power Management 2.4.5DIGI+ VRM 2.4.6CPU Voltage [Offset Mode] Offset Mode Sign [+] CPU Voltage iGPU Voltage [Offset Mode] iGPU Offset Voltage [Auto] DRAM Voltage [Auto] 2.5.1CPU Configuration Active Processor Cores [All] Limit CPUID Maximum [Disabled] Execute Disable Bit [Enabled] Intel Virtualization Technology [Disabled] Hardware Prefetcher [Enabled] 2.5.2PCH Configuration 2.5.3SATA Configuration 2.5.4System Agent Configuration 2.5.5USB Configuration 2.5.6Onboard Devices Configuration 2.5.7APM 2.5.8Network stack [Disabled Link] 2.6Monitor menu CPU Temperature / MB Temperature [xxxºC/xxxºF] CPU / Chassis1/3 Fan Speed [xxxx RPM] or [Ignore] / [N/A] CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage CPU Q-FanControl [Enabled] CPU Fan Speed Low Limit [600 RPM] Chassis1/3 Q-FanControl [Enabled] Anti Surge Support [Enabled] 2.7Boot menu Bootup NumLock State [On] Full Screen Logo [Enabled] Post Report [5 sec] Wait for ‘F1’ If Error [Enabled] 2.7.1Boot Option Priorities 2.7.2Boot Override 2.8.1ASUS EZ Flash 2 Utility 2.8.2ASUS O.C. Profile 2.8.3ASUS SPD Information 2.9Exit menu Load Optimized Defaults Save Changes & Reset Discard Changes & Exit ASUS EZ Mode Federal Communications Commission Statement IC: Canadian Compliance Statement Canadian Department of Communications Statement VCCI: Japan Compliance Statement VCCI Class B Statement KC: Korea Warning Statement REACH DECLARATION OF CONFORMITY ASUSTeK COMPUTER INC ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Germany and Austria)