Asus B75M-A, B75MA 2.5.7Onboard Devices Configuration, 2.5.8APM

EHCI Hand-off [Disabled]

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

USB Single Port Control

USB3_1~USB3_4 [Enabled]

Allows you to enable or disable an individual USB port. Refer to the section 1.3.3 Motherboard layout in this user manual for the locations of the USB ports.

USB1~8 [Enabled]

Allows you to enable or disable an individual USB port. Refer to the section 1.3.3 Motherboard layout in this user manual for the locations of the USB ports.

2.5.7Onboard Devices Configuration

HD Audio Controller [Enabled]

[Enabled]	Enables the HD Audio Device.
[Disabled]	Disables the HD Audio Device.
	The following item appears only when you set the HD Audio Controller item to [Enabled].

Front Panel Type [HD]

Allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or high- definition audio depending on the audio standard that the front panel audio module supports.

[HD]	Sets the front panel audio connector (AAFP) mode to high definition audio.
[AC97]	Sets the front panel audio connector (AAFP) mode to legacy AC’97

Realtek LAN Controller [Enabled]

[Enabled]	Enables the Realtek LAN controller.
[Disabled]	Disables the controller.

Realtek PXE OPROM [Disabled]

This item appears only when you set the previous item to [Enabled] and allows you to enable or disable the PXE OptionRom of the Realtek LAN controller.

Configuration options: [Enabled] [Disabled]

2.5.8APM

Restore AC Power Loss [Power Off]

[Power On]	The system goes into on state after an AC power loss.
[Power Off]	The system goes into off state after an AC power loss.
[Last State]	The system goes into either off or on state, whatever the system state was
	before the AC power loss.

2-24	Chapter 2: Getting started

Contents

Page Page Chapter 1: Product introduction Chapter 2: BIOS information Appendices Electrical safety Operation safety How this guide is organized Where to find more information Conventions used in this guide Typography B75M-Aspecifications summary Page Page Package contents Page 1.1.1Product highlights 1.1.2ASUS Exclusive features Page Page 1.3.1Placement direction 1.3.2Screw holes 1.3.3Motherboard layout 1.3.4Layout contents 1.4Central Processing Unit (CPU) 1.4.1Installing the CPU Page 1.4.2CPU heatsink and fan assembly installation Page 1.5.1Overview 1.5.2Memory configurations Page Page Page 1.5.3Installing a DIMM 1.5.4Removing a DIMM 1.6.1Installing an expansion card 1.6.2Configuring an expansion card 1.6.3PCI slot 1.6.4PCI Express 2.0 x1 slots 1.6.5PCI Express 3.0/2.0 x16 slot Page Page 1.8.1Rear panel connectors Page 1.8.2Internal connectors Page Page Page Page Page Page 1.10.1Installing an operating system 1.10.2Support DVD information Page 1.10.3Intel® SBA support 2.1.1ASUS Update utility 2.1.2ASUS EZ Flash 2.1.3ASUS CrashFree BIOS 3 utility 2.1.4ASUS BIOS Updater Page 2.2BIOS setup program BIOS menu screen Page Page 2.3.1System Language [English] 2.3.2System Date [Day xx/xx/xxxx] 2.3.3System Time [xx:xx:xx] 2.3.4Security Page 2.4.1Memory Frequency [Auto] 2.4.2EPU Power Saving Mode [Disabled] 2.4.3DRAM Timing Control Page 2.4.4CPU Power Management 2.4.5DIGI+ VRM Page 2.5.1CPU Configuration Page 2.5.2PCH Configuration 2.5.3SATA Configuration 2.5.4System Agent Configuration 2.5.5AMT Configuration 2.5.6USB Configuration 2.5.7Onboard Devices Configuration 2.5.8APM 2.5.9Network Stack 2.6.1CPU Temperature / MB Temperature [xxxºC/xxxºF] 2.6.2CPU / Chassis Fan Speed [xxxx RPM] or [Ignore] / [N/A] 2.6.3CPU Q-FanControl [Enabled] 2.6.4Chassis Q-FanControl [Enabled] 2.6.5CPU Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage 2.6.6Anti Surge Support [Enabled] 2.7.1Fast Boot [Enabled] 2.7.2Boot Logo Display [Enabled] 2.7.3Bootup NumLock State [On] 2.7.4Wait for ‘F1’ If Error [Enabled] 2.7.5Option ROM Messages [Force BIOS] 2.7.6Interrupt 19 Capture [Disabled] 2.7.7Setup Mode [EZ Mode] 2.7.8CSM (Compatibility Support Module) 2.7.10Security Boot Page 2.7.11Boot Option Priorities 2.7.12Boot Override 2.8.1ASUS EZ Flash 2 Utility 2.8.2ASUS O.C. Profile 2.8.3ASUS SPD Information 2.9Exit menu 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 ASUSTeK COMPUTER INC ASUS COMPUTER INTERNATIONAL (America) ASUS COMPUTER GmbH (Germany and Austria)