Protech Systems BU-2509 User Manual page 89

4-4-11. Advanced - USB Configuration
Menu Path
The USB Configuration allows users to configure advanced USB settings such as
Legacy USB support.
BIOS Setting
Legacy USB Support
XHCI Hand-off
USB Mass Storage Driver
Support
Port 60/64 Emulation
BU-2509 SERIES USER
Advanced > USB Configuration
USB Configuration Screen
Options
- Disabled
- Enabled
- Disabled
- Enabled
- Disabled
- Enabled
- Disabled
- Enabled

S MANUAL
Chapter 4 AMI BIOS Setup
Description/Purpose
Enables support for legacy USB.
This is a workaround for OSes w/o
XHCI hand-off support.
Enables/Disables USB mass storage
driver support.
This should be enabled for the complete
USB keyboard legacy support for non-USB-
aware OSes.
Page: 4-30