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ASUS B75M-A
2-23
WatchDog [Disabled]
When set to [Enabled], the WatchDog Timer will monitor the time taken for each task
performed by a software or hardware. Conguration options: [Enabled] [Disabled]
The following two items become congurable 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.
2.5.6 USB Conguration
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.