IEI Integration IMBA-9454 v1.00 - Manual (Page 163)

IMBA-9454 Motherboard
Page 145
6.4.4 USB Drives
Use the USB Drives menu (BIOS Menu 21) to specify the boot sequence of the available
USB devices. When the menu is opened, the USB devices connected to the system are
listed as shown below:
1st Drive [1st USB DRIVE]
2nd Drive [2nd USB DRIVE]
NOTE:
Only the drives connected to the system are shown. For example, if
only one USB drive is connected only “1st Drive” is listed.
The boot sequence from the available devices is selected. If the “1st Drive” option is
selected a list of available USB drives is shown. Select the first USB drive the system
boots from. If the “1st Drive” is not used for booting this option may be disabled.
BIOS Menu 21: USB Drives