Dell PowerEdge T20 Owner's Manual

Boot Manager Screen

Option		Description
LEGACY/UEFI BOOT		Allows you to select a one-time boot device from bootable devices list.
OTHER OPTIONS
	BIOS Setup	Enters System Setup.
	BIOS Flash Update	Allows you to update the BIOS from the USB drive with the released BIOS file. This option is for advanced users. Download the BIOS file from dell.com/support. For more information, see Updating The BIOS. Save the BIOS file on a USB drive (FAT32). Press <F12> while powering up the system to select the BIOS Flash Update. Insert the USB drive into the USB port. Select the BIOS file and proceed to the update.
	Diagnostics	Allows you to enter the System Diagnostics. For more information, see Using System Diagnostics.
	Intel Management Engine BIOS Extension	Allows you to configure Intel MEBX.
	Change Boot Mode Settings	Allows you to change the boot mode (Legacy/UEFI). NOTE: If you boot the system to the BIOS boot mode after installing an operating system from the UEFI Boot Manager, the system hangs. The reverse is also true. You must boot to the same boot mode in which you installed the operating system.