IBASE Technology IB891, User Manual

Page: 33 / 62

BIOS SETUP
IB891 User’s Manual 29
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 Field
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]
Legacy USB1.1 HC Support [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.
Legacy USB1.1 HC Support
Support USB1.1 HC.