Using the System Setup Program and UEFI Boot Manager 63Boot Settings ScreenPort D(Off default)Auto enables BIOS support for the device attached toSATA port D. Off disables BIOS support for the device.Port E(Off default)Auto enables BIOS support for the device attached toSATA port E. Off disables BIOS support for the device.Option DescriptionBoot Mode(BIOS default)CAUTION: Switching the boot mode could preventthe system from booting if the operating system wasnot installed in the same boot mode.If the operating system supports UEFI, you can set thisoption to UEFI. Setting this field to BIOS allowscompatibility with non-UEFI operating systems.NOTE: Setting this field to UEFI disables the BootSequence, Hard-Disk Drive Sequence, and USB Flash DriveEmulation Type fields.Boot Sequence If Boot Mode is set to BIOS, this field indicates to thesystem the location of the operating system files neededfor startup. If Boot Mode is set to UEFI, you can accessthe UEFI boot manager utility by rebooting the systemand pressing F11 when prompted to do so.Hard-Disk DriveSequenceDetermines the order in which the BIOS attempts toboot from hard drives in the system during systemstartup.USB Flash DriveEmulation Type(Auto default)Determines the emulation type for a USB flash drive.Hard disk allows the USB flash drive to act as a harddrive. Floppy allows the USB flash drive to act as aremovable diskette drive. Auto automatically chooses anemulation type.Boot Sequence Retry(Disabled default)If this field is enabled and the system has failed to boot,the system reattempts to boot after 30 seconds.Option Description