User Manual

ASUS P5B-Plus Series 4-19

4.4.2 USB Conguration

The items in this menu allows you to change the USB-related features. Select an

item then press <Enter> to display the conguration options.

The Module Version and USB Devices Enabled items show the auto-detected

values. If no USB device is detected, the item shows None.

USB Functions [Enabled]

Allows you to enable or disable the USB functions.

Conguration options: [Disabled] [Enabled]

ASAP (ASUS Accelerated Propeller) will function only when the USB Functions

item is set to [Enabled].

ASAP [Disabled]

Allows you to enable or disable the ASAP function.

Conguration options: [Disabled] [Enabled]

Legacy USB Support [Auto]

Allows you to enable or disable support for legacy USB devices. Setting to [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. Conguration options: [Disabled] [Enabled] [Auto]

Port 64/60 Emulation [Disabled]

Allows you to enable or disable the I/O port 60h/64h emulation support. This item

should be enabled for the complete USB keyboard legacy support for non-USB

aware OSes. Conguration options: [Disabled] [Enabled]

USB 2.0 Controller Mode [HiSpeed]

Allows you to set the USB 2.0 controller mode to HiSpeed (480 Mbps) or

FullSpeed (12 Mbps). Conguration options: [FullSpeed ] [HiSpeed ]

Select Screen

Select Item

Change Option

F1 General Help

F10 Save and Exit

ESC Exit

BIOS SETUP UTILITY

Advanced

USB Conguration

Module Version - 2.24.0-11.4

USB Devices Enabled:

None

USB Functions [Enabled]

ASAP [Disabled]

Legacy USB Support [Auto]

Port 64/60 Emulation [Disabled]

USB 2.0 Controller Mode [HiSpeed]

BIOS EHCI Hand-off [Enabled]

Options

Disabled

Enabled