Lex Computech CI770C User Manual page 75

Intel mobile ivy bridge processor + (pch)qm77 / ddr3 1333 / 1600 mt/s / lan / dvi/ hdmi /audio /usb / pcie mini card
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PCIe Speed
Select PCI Express port speed.
The optional settings are: Auto, Gen1, Gen2.
4-8-1-2 ►USB Confi guration
Main
Advanced
USB Confi guration
XHCI Pre-Boot Driver
xHCI Mode
HS Port #1 Switchable
HS Port #2 Switchable
HS Port #3 Switchable
HS Port #4 Switchable
xHCI Streams
EHCI1
EHCI2
USB Ports Per-Port Disable Control
XHCI Pre-Boot Driver
Use this item to enable or disable XHCI Pre-Boot Driver Support.
xHCI Mode
Mode of operation of xHCI controller.
The optional settings are: Smart Auto, Enabled, Disabled.
HS Port #1 Switchable
HS Port #2 Switchable
HS Port #3 Switchable
HS Port #4 Switchable
Always for HS port switching between xHCI and EHCI. If disabled,
port is routed to EHCI. If HS port is routed to xHCI, the corresponding SS port is enabled.
The optional settings are: Disabled, Enabled.
xHCI Streams
Use this item to enable or disable xHCI Maximum Primary Stream Array Size.
The optional settings are: Disabled, Enabled.
EHCI1/ EHCI2
Use this item to enable or disable USB EHCI (USB 2.0) support.
One EHCI controller must always be enabled.
The optional settings are: Enabled, Disabled.
Chipset
Boot
Version 2.14.1219. Copyright (C) 2011 American Megatrends, Inc.
Save & Exit
Security
[Enabled]
[Smart Auto]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Enabled]
[Disabled]
69
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

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