Chapter 4 AMI BIOS Setup
PMB-901LF USER
′
S MANUAL
Page: 4-43
USB Configuration Screen
BIOS Setting
Options
Description/Purpose
XHCI Pre-Boot
Driver
- Disabled
- Enabled
Enable or disable XHCI Pre-Boot
Driver support.
XHCI Mode
- Smart Auto
- Auto
- Enabled
- Disabled
Select operation mode of XHCI
controller.
EHCI1
- Disabled
- Enabled
Enables Enhanced Host Controller
Interface 1 for high-speed USB
functions (USB 2.0).
EHCI 2
- Disabled
- Enabled
Enables Enhanced Host Controller
Interface 2 for high-speed USB
functions (USB 2.0).