TH61M U3/H61M U3/H61M H/H61M L
UEFI BIOS M anual
12
Serial-ATA Con troller 1
T his item enables/disables Serial AT A Controller 1.
Options: Enhanced (Default) / Disabled
USB Configuration
BIOS SETUP UTILITY
USB Configuration
USB Devices:
EHCI Hand-off [Disabled]
Port 60/64 Emulation [Enabled]
Legacy USB Support [Enabled]
Version x.xx.xxxx. Copyright© 201x, American Megatrends, Inc.
Advanced
Enables Legacy USB support.
AUTO opiton disables legacy
support if no USB devices are
connected. DISABLE option
will keep USB devices
available only for EFI
applications.
Select Screen
Select Item
Select
Change Opt.
General Help
Optimized Defaults
Save & Reset
Exit
Enter
+/-
F1
F3
F4
ESC
Legacy USB Support
T his item determines if the BIOS should provide legacy support fo r USB devices
like the keyboard, mouse, and USB drive. T his is a useful feature when using such
USB devices with operating systems that do not natively support USB (e.g.
Microso ft DOS or Windows NT).
Options: Enabled (Default) / Disabled / Auto
EHCI Hand-Off
T his is a workaround for OSes without EHCI hand-off suppo rt. T he EHCI ownership
change should be claimed by EHCI driver.
Options: Disabled (Default) / Enabled
Port 60/64 Emulation
T his items enables I/O port 60h/64h emulation support. This should be enabled for
the complete USB keyboard legacy support for non-USB aware OSes.
Options: Enabled (Default) / Disabled
