EMX-780E
44 EMX-780E User
’s Manual
3.6.2.4 USB Configuration
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.
Legacy USB1.1 HC Support
Enabled,
Disabled
This item allows you to select Legacy USB1.1
HC Support mode.
Содержание EMX-780E
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Страница 15: ...User s Manual EMX 780E User s Manual 15 2 1 Product Overview...
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