Chapter
4
:
BIOS Settings
USB Configuration
You can use this screen to select options for the USB
Configuration Use the up and down <Arrow> keys to
select an item Use the <Plus> and <Minus> keys to
change the value of the selected option The settings are
described on the following pages
Note:
The listed devices under the USB Devices
Enabled indicate the auto-detected values If no
device is detected, the item shows None
Legacy USB Support
This option enables or disables the support of USB devices
on legacy operating systems (OS), e g , Windows ME/98/
NT, and MS-DOS
Option
Description
Auto
Allow the system to detect the presence of USB
devices at startup If detected, the USB controller
legacy mode is enabled If it is not detected, the
USB controller legacy mode is disabled
Enabled
Enable the support for USB devices on legacy
operating system
Disabled
Disable this function
BIOS EHCI Hand-off
This option enables or disables the support for the operating
systems which does not have an EHCI Hand-Off feature
Option
Description
Enabled
Enable the support for the OS without EHCI
Hand-Off feature
Disabled
Disable the support for the OS without EHCI
Hand-Off feature
USB Functions
This option allows you to configure the number of USB
ports supported
USB 2.0 Controller
It allows you to enables or disables the USB 2 0 controller
support
USB Mass Storage Device Configuration
USB Mass Storage Reset Delay
This option sets the reset timing for the USB Mass Storage
to be initialized
Option
Description
10 Sec
When set to 10 Sec, the BIOS will wait for up to 10
seconds for the USB flash drive to initialize
20 Sec
When set to 20 Sec, the BIOS will wait for up to 20
seconds for the USB flash drive to initialize
30 Sec
When set to 30 Sec, the BIOS will wait for up to 30
seconds for the USB flash drive to initialize
40 Sec
When set to 40 Sec, the BIOS will wait for up to 40
seconds for the USB flash drive to initialize
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L30D
User Manual
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