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5. BIOS Setup
EPC-2020 Series User’s manual
43
USB Configuration
I can specify the settings of the USB controller.
Aptio Setup Utility - Copyright (C) 20xx American Megatrends, Inc.
Advanced
USB Configuration
USB Devices:
1 Keyboard, 2 Hubs
Legacy USB Support
[Enabled]
EHCI Hand-off
[Disabled]
→←
:Select Screen
↑↓
:Select Item
Enter:Select
+/-:Change Opt.
F1:General Help
F2:Previous Values
F3:Optimized Defaults
F4:Save & Exit
ESC:Exit
Version x.xx.xxxx. Copyright (C) 20xx American Megatrends, Inc.
Figure 5.11.
USB Configuration
Table 5.14.
USB Configuration
Item
Options
Description
Legacy USB Support
Enabled
Disabled
Auto
I you to enable or disable support for USB
keyboard with USB non-OS.
Do not change this setting.
EHCI Hand-off
Disabled
Enabled
You can specify the setting that enables this
operation even on operating systems that do
not have the EHCI hand off function.