Biostar TZ77B Bios Manual - Page 21
XHCI Pre-Boot Driver, XHCI Mode, EHCI1/2 - boot from usb
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TZ77B/TZ75B/T77 UEFI BIOS Manual USB Configuration XHCI Pre-Boot Driver This item enables or disables XHCI Pre-Boot Driver support. Options: Enabled (Default) / Disabled XHCI Mode This item sets the mode of operation of XHCI controller. Options: Smart Auto (Default) / Auto / Enabled / Disabled EHCI1/2 This item controls the USB EHCI (USB2.0) functions. One EHCI controller must always be enabled. Options: Enabled (Default) / Disabled 20
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TZ77B/TZ75B/T77 UEFI BIOS Manual
20
USB Configuration
XHCI Pre-Boot Driver
This item enables or disables XHCI Pre-Boot Driver support.
Options:
Enabled (Default) / Disabled
XHCI Mode
This item sets the mode of operation of XHCI controller.
Options:
Smart Auto (Default) / Auto / Enabled / Disabled
EHCI1/2
This item controls the USB EHCI (USB2.0) functions. One EHCI controller must
always be enabled.
Options:
Enabled (Default) / Disabled