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BIOS Setup Information
PEB-2739I User’s Manual
4-14
USB Configuration
Legacy USB Support
Set to [Enabled] if you need to use any USB 1.1/2.0 device in the operating system
that does not support or have any USB 1.1/2.0 driver installed, such as DOS and
SCO Unix.
The choice: Disabled, Enabled, Auto.
USB 2.0 Controller Mode
This setting specifies the operation mode of the onboard USB 2.0 controller.
The choice: FullSpeed, HiSpeed.
BIOS EHCI Hand-Off
This is a workaround for OSes without EHCI hand-off support. The EHCI
ownership change should claim by EHCI driver.
The choice: Disabled, Enabled.