Asus Pedestal/5U Rackmount Server TS500-E5 - Manual (Page 88)

5-16 Chapter 5: BIOS setup
USB Functions [Enabled]
Allows you to enable the USB host controller.
Configuration options: [Disabled] [Enabled]
The following item appears only when you set USB Function to [Enabled].
Legacy USB Support [Enabled]
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. Configuration options: [Disabled] [Enabled] [Auto]
The following item appears only when you set USB Function to [Enabled].
USB 2.0 Controller Mode [HiSpeed]
Allows you to set the USB 2.0 controller to HiSpeed (480Mbps) or FullSpeed
(12Mbps). Configuration options: [FullSpeed] [HiSpeed]
BIOS EHCI Hand-Off [Enabled]
Enables or disables the BIOS EHCI hand-off support.
Configuration options: [Disabled] [Enabled]