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Asus P8Z77-M, P8Z77MPRO 2.5.5USB Configuration, NB PCIe Configuration, Graphics Configuration, EHCI Hand-off[Disabled], Legacy USB Support [Enabled], Intel xHCI Mode [Smart Auto]

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Graphics Configuration

Primary Display [Auto]

Allows you to select a primary display from iGPU, PCIE, or PCI graphic devices.

Configuration options: [Auto] [iGPU] [PCIE][PCI]

iGPU Memory [64M]

This item selects DVMT 5.0 pre-allocated graphic memory size, used by the internal graphic device.

Configuration options: [32M] [64M] [96M]~[1024M]

Render Standby [Enabled]

Allows you to enabled or disabled render standby support.

Configuration options: [Disabled] [Enabled]

iGPU Multi-Monitor [Disabled]

Allows you to enable the iGPU Multi-Monitor. For Lucid Virtu MVP function supports, set this item to [Enabled] to empower both integrated and discrete graphics. iGPU shared system memory size is fixed in 64MB

Configuration options: [Disabled] [Enabled]

NB PCIe Configuration

Allows you to configure the NB PCI Express settings.

PCIEX16_1 Link Speed [Auto]

Allows you to configure the PCIEX16_1 speed.

Configuration options: [Auto] [Gen1] [Gen2]

2.5.5USB Configuration

The items in this menu allow you to change the USB-related features.

The USB Devices item shows the auto-detected values. If no USB device is detected, the item shows None.

Legacy USB Support [Enabled]

[Enabled]	Enables the support for USB devices on legacy operating systems (OS).
[Disabled]	The USB devices can be used only for the BIOS setup program.
[Auto]	Allows the system to detect the presence of USB devices at startup. If
	detected, the USB controller legacy mode is enabled. If no USB device is
	detected, the legacy USB support is disabled.

Legacy USB3.0 Support [Enabled]

[Enabled]	Enables the support for USB 3.0 devices on legacy operating systems
	(OS).
[Disabled]	Disables the function.

Intel xHCI Mode [Smart Auto]

[Smart Auto]	Enables optimized xHCI.
[Auto]	Allows the system to set the xHCI.
[Enabled]	Enables the operation of xHCI controller.
[Disabled]	Disables the function.

EHCI Hand-off [Disabled]

[Enabled]	Enables the support for operating systems without an EHCI hand‑off
	feature.
[Disabled]	Disables the function.

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)