protech PA-6225 - Page 183

Chapter 3 Software
PA-6225 SERIES USER MANUAL
Page 176
3-4-4-9. USB Configuration
USB Configuration Screen
BIOS Setting
Options
Description/Purpose
USB Devices
No changeable options
Displays the number of available USB
devices.
Legacy USB
Support
- Disabled
- Enabled
- Auto
Sets to “Enabled” if you want to use
USB device in the legacy operating
system.
XHCI Hand-
off
- Disabled
- Enabled
This is a workaround for OSes without
XHCI (Extensible Host Controller
Interface) hand-off support.
EHCI Hand-off
- Disabled
- Enabled
This is a workaround for OSes without
EHCI (Enhanced Host Controller
Interface) hand-off support.