Asus B75M-A, B75MA 2.5.6USB Configuration

WatchDog [Disabled]

When set to [Enabled], the WatchDog Timer will monitor the time taken for each task performed by a software or hardware. Configuration options: [Enabled] [Disabled]

The following two items become configurable only when you set the WatchDog Timer item to [Enabled].

OS Timer [0]

Use the <+> and <-> keys to adjust the value or key in a number directly.

BIOS Timer [0]

Use the <+> and <-> keys to adjust the value or key in a number directly.

2.5.6USB 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.

Intel USB2.0 EHCI Controller [Enabled]

[Disabled]	Disables the Intel® USB2.0 EHCI controller.
[Enabled]	Enables the Intel® USB2.0 EHCI controller.

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]

[Auto]	Keeps the last operation of xHCI controller in OS during bootup.
[Smart Auto]	Enables the operation of xHCI controller.
[Enabled]	Enables the function.
[Disabled]	Disables the function.

ASUS B75M-A

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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)