IBASE IB893 - Manual (Page 36)

BIOS SETUP
32 IB893 User’s Manual
BIOS SETUP UTILITY
Advanced
USB Configuration
Enables support for
legacy USB. AUTO
option disables
legacy support if
no USB devices are
connected.
<- Select
Screen
↑↓ Select Item
+- Change Option
F1 General
Help
F10 Save and Exit
ESC Exit
USB Devices Enabled:
None
Legacy USB Support [Enabled]
USB 2.0 Controller Mode [HiSpeed]
BIOS EHCI Hand-Off [Enabled]
USB 3.0 Controller Mode [Enabled]
BIOS XHCI Hand-Off [Enabled]
The USB Configuration menu is used to read USB configuration
information and configure the USB settings.
Legacy USB Support
Enables support for legacy USB. AUTO option disables legacy support
if no USB devices are connected.
USB 2.0 Controller Mode
Configures the USB 2.0 controller in HiSpeed (480Mbps) or FullSpeed
(12Mbps).This option is enabled by HiSpeed.
BIOS EHCI Hand-Off
Enabled/Disabled. This is a workaround for Oses without EHCI
hand-off support. The EHCI ownership change should be claimed by
EHCI driver.
USB 3.0 Controller Mode
Enabled USB3.0 legacy support
BIOS XHCI Hand-Off
This is a workaround for OSes without XHCI hand-off support. The
XHCI ownership change should claim by XHCI driver.