Boot - MSI MS-6390 User Manual

Quick Boot Mode
Setting the item to Enabled allows the system to boot within 5 seconds since
it will skip some check items. Available options: Enabled, Disabled.
Boot Device Priority
Press <Enter> to enter the sub-menu and the following screen appears:
Boot Device Priority: 1st/2nd/3rd/4th
The items allow you to set the sequence of boot devices where BIOS
attempts to load the disk operating system.

Boot

BIOS Setup
3-11