Asus P5B-VM SE - Manual (Page 68)

2-20 Chapter 2: BIOS setup
USB Functions [10 USB Ports]
Allows the BIOS to auto-detect the number of USB ports in your system. Setting
this item to [Disable] disables the USB device detection function.
Configuration options: [Disabled] [2 USB Ports] [4 USB Ports] [6 USB Ports] [8
USB Ports] [10 USB Ports]
USB 2.0 Controller [Enabled]
Allows you to enable or disable the USB 2.0 controller. Configuration options:
[Enabled] [Disabled]
Legacy USB Support [Auto]
Allows you to enable or disable support for USB devices on legacy operating
systems (OS). 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. Configuration options:
[Disabled] [Enabled] [Auto]
USB 2.0 Controller Mode [HiSpeed]
Allows you to configure the USB 2.0 controller in HiSpeed (480 Mbps) or Full
Speed (12 Mbps). Configuration options: [FullSpeed] [HiSpeed]
BIOS EHCI Hand-Off [Enabled]
Allows you to enable support for operating systems without an EHCI hand-off
feature. Configuration options: [Disabled] [Enabled]
The Module Version and USB Devices Enabled items show the
auto-detected values. If no USB device is detected, the item shows None.
2.4.2 USB Configuration
The items in this menu allows you to change the USB-related features. Select an
item then press <Enter> to display the configuration options.
USB Configuration
Module Version - 2.24.0-11.4
USB Devices Enabled:
1 Drive
USB Functions [10 USB Ports]
USB 2.0 Controller [Enabled]
Legacy USB Support [Auto]
USB 2.0 Controller Mode [HiSpeed]
BIOS EHCI Hand-Off [Enabled]
USB Mass Storage Device Configuration