AES-HM76Z1FL User Manual
26
Acrosser Technology Co., Ltd.
3.4.1. PCH-IO Configuration
Aptio Setup Utility - Copyright © 2012 American Megatrends, Inc.
Version 2.15.1226. Copyright © 2012 American Megatrends, Inc.
→← : Select Screen
↑↓ : Select Item
Enter : Select
+/- : Change Opt.
F1 : General Help
F2 : Previous Values
F3 : Optimized Defaults
F4 : Save & Exit
ESC : Exit
SB USB Configuration
xHCI Mode
EHCI1
EHCI2
Legacy USB Support
Main BootChipsetAdvanced
[Smart Auto]
[Enabled]
[Enabled]
[Enabled]
Security Save & Exit
• xHCI Mode
Options Description
Disabled / Auto / Smart Auto Mode of operation of xHCI controller.
• EHCI1, EHCI2
Options Description
Enable / Disable Control the USB EHCI (USB 2.0) functions. One EHCI controller
must always be enabled.
• Legacy USB Support
Options Description
Enabled Enables Legacy USB support.
Disabled Keep USB devices available only for EFI applications.
Auto Disables legacy support if no USB devices are connected.
