Gigabyte GA-990FXA-UD3 User Manual page 49

Onboard Audio Function
Enables or disables the onboard audio function. (Default: Enabled)
If you wish to install a 3rd party add-in audio card instead of using the onboard audio, set this item to
Disabled.
Onboard 1394 Function
Enables or disables the onboard IEEE 1394 function. (Default: Enabled)
R_USB30 Controller (Etron EJ168 USB Controller, USB 3.0/2.0 ports on the back panel)
Enables or disables the Etron EJ168 USB controller. (Default: Enabled)
USB Controllers
Enables or disables the integrated USB controllers. (Default: Enabled)
Disabled will turn off all of the USB functionalities below.
USB Legacy Function
Allows USB keyboard to be used in MS-DOS. (Default: Enabled)
USB Storage Function
Determines whether to detect USB storage devices, including USB flash drives and USB hard drives
during the POST. (Default: Enabled)
Onboard Serial Port 1
Enables or disables the first serial port and specifies its base I/O address and corresponding interrupt.
Options are: Auto, 2F8/IRQ3, 3F8/IRQ4(default), 3E8/IRQ4, 2E8/IRQ3, Disabled.
- 49 - BIOS Setup