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KTQ77/Flex Users Guide
KTD-N0848-B Page 111
USB Configuration
Aptio Setup Utility – Copyright © 2012 American Megatrends, Inc.
Chipset
USB Configuration
XHCI Pre-Boot Driver
xHCI Mode
HS Port #1 Switchable
HS Port #2 Switchable
HS Port #3 Switchable
HS Port #4 Switchable
xHCI Streams
ECHI1
ECHI2
USB Ports Per-Port Disable Control
[Enabled]
[Smart Auto]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Disabled]
Enable or disable XHCI Pre-
Boot Driver support.
→← : Select Screen
↑↓ : Select Item
Enter: Select
+/- : Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Version 2.15.1236. Copyright © 2012 American Megatrends, Inc
BIOS - Chipset