4 usb configuration, 1 usb configuration, 2 legacy usb support – Kontron AM4020 uEFI BIOS User Manual
Page 17: Usb configuration, Legacy usb support, Am4020 uefi bios main setup
AM4020 uEFI BIOS
Main Setup
ID 1036-5670, Rev. 3.0
Page 11
P R E L I M I N A R Y
2.4
USB Configuration
This screen provides information about support for USB devices as well as functions for spec-
ifying the USB configuration settings.
2.4.1
USB Configuration
This is a display-only function providing general information about the USB devices detected.
2.4.2
Legacy USB Support
This function is required for booting from USB devices and for operating systems which do not
support USB themselves (mainly DOS and some BootLoaders).
Default setting: Enabled
A p t i o S e t u p U t i l i t y - C o p y r i g h t ( C ) 2 0 0 9 A m e r i c a n M e g a t r e n d s , I n c .
M a i n
B o o t
S e c u r i t y
S a v e & E x i t
USB Configuration
USB Devices:
2 Drives, 1 Keyboard, 1 Hub
Legacy USB Support
[Enabled]
EHCI Hand-Off
[Enabled]
Device Reset timeout
[20 sec]
Mass Storage Devices:
SanDisk Cruzer Mini 0
[Auto]
:
Select Screen
:
Select Item
Enter:
Select
+/-:
Change Opt.
F1:
General Help
F2:
Previous Values
F3
Optimized Defaults
F4:
Save ESC: Exit
Ve r s i o n 2 . 0 0 . 1 2 0 1 . C o p y r i g h t ( C ) 2 0 0 9 A m e r i c a n M e g a t r e n d s , I n c .
SETTING
DESCRIPTION
Disabled
Use this setting to disable legacy USB support.
Enabled
Use this setting to enable legacy USB support.
Auto
Use this setting to enable legacy USB support if there are USB devices present.