MSI MS-96B3 Manual page 43

1st Boot Device
The items allow you to set the sequence of boot devices where BIOS attempts
to load the disk operating system. First press <Enter> to enter the sub-menu.
Then you may use the arrow keys ( -¯ ) to select the desired device, then
press <+>, <-> or <PageUp>, <PageDown> key to move it up/down in the
priority list.
Removable Drives
1st Drive
This setting allows users to set the priority of the available hardware devices.
First press <Enter> to enter the sub-menu. Then you may use the arrow keys (
-¯ ) to select the desired device, then press <+>, <-> or <PageUp>, <PageDown>
key to move it up/down in the priority list.
BIOS Setup
3-15