Avalue EBM-PNV - Manual (Page 54)

EBM-PNV User ’s Manual
54 EBM-PNV User ‟s Manual
3.6.2.6 USB Configuration
The USB configuration menu is used to read USB configuration information and configure
the USB setting.
Item Options Description
Legacy USB Support
Enabled,
Disabled,
Auto
Use the Legacy USB Support BIOS option to
enable USB mouse and USB keyboard
support. Normally if this option is not enabled,
any attached USB mouse or USB keyboard
does not become available until a USB
compatible operating system is fully booted
with all USB drivers loaded. When this option
is enabled, any attached USB mouse or USB
keyboard can control the system even when
there is no USB driver loaded onto the system.
USB 2.0 Controller Mode
HiSpeed (480Mbps),
FullSpeed (12Mpbs)
This item allows you to select HiSpeed
(480Mbps) or FullSpeed (12Mpbs).
BIOS EHCI Hand-Off
Enabled,
Disabled
This is a workaround for OSs without EHCI
hand-off support. The EHCI ownership change
should be claimed by EHCI driver.
Hotplug USB FDD Support
Enabled,
Disabled,
Auto
A dummy FDD devices is created that will be
associated with the hotplugged FDD later.
Auto option creates this dummy device only if
there is no USB present.