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Z77A-ProX User's Manual
• Legacy USB Support
Setting support old input/output devices, such as the mouse, keyboard etc, options:
Enabled
,
Disabled
,
Auto.
• XHCI Hand-off
Setting XHCI Hand-Off function, options: Enabled
，
Disabled.
• EHCI Hand-off
Setting EHCI Hand-Off function, options: Enabled
，
Disabled.
• Port 60/64 Emulation
The item is to increase the USB KBC compatibility
，
options: Enabled
，
Disabled.
• USB transfer time-out
Optional for 1 sec
、
5 sec
、
10 sec
、
20 sec .
• Device reset time-out
Optional for 10 sec
、
20 sec
、
30 sec
、
40 sec.
• Device power-up delay
Optional for Auto
、
Manual.
Press < ESC> key to return to the Advanced menu
►
USB Legacy Features
Advanced\USB Legacy Features ration\
Main
Advanced
Chipset
Boot
Security
USB Legacy Features
USB Devices:
1 Mouse,2 Hubs
XHCI Hand-off
EHCI Hand-off
Port 60/64 Emulation
USB hardware delays and time-outs:
USB transfer time-out
Device reset time-out
Device power-up delay
OverClock
→ ←
:Select Screen
↑↓
/Click
:
Select Item
Enter/Dbl Click: Select
+/-:Change Opt.
F1 :General Help
F7 :Previous Values
F8 :Fail-Safe Values
F9 :Optimized Defaults
F10:Save&Exit
ESC:Exit
Version 2.14.1219.Copyright (C) 2011 American Megatrends,Inc.
Enables Legacy USB...
Legacy USB Support
Enabled
Enabled
Disabled
Enabled
20 sec
20 sec
Auto
