Asus PSCH-SR/SCSI - Manual (Page 82)

4-26 Chapter 4: BIOS Setup
4.4.7 USB Configuration
This menu shows the USB configuration settings. Select an item then
press to display a pop-up menu with the configuration options.
USB Controller [Enabled]
USB 2.0 Support [Enabled]
USB Legacy Mode Support [Enabled]
USB Configuration
Item Specific Help
Configures the USB
controller.
Select Menu
USB Controller [Enabled]
Allows you enable or disable the USB controller.
Configuration options: [Disabled] [Enabled]
USB 2.0 Support [Enabled]
Allows you to enable or disable the EHCI controller. Setting this item to
[Enabled] allows the built-in high speed USB support in the BIOS to turn
on automatically when you install high speed USB devices.
Configuration options: [Disabled] [Enabled]
USB Legacy Mode Support [Enabled]
Allows you enable or disable support for the legacy USB devices.
Configuration options: [Disabled] [Enabled]