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Chapter 6: UEFI BIOS
Boot Feature
Quiet Boot
Use this feature to select the screen between displaying POST messages or the OEM logo
at bootup. Select Disabled to display the POST messages. Select Enabled to display the
OEM logo instead of the normal POST messages. The options are Enabled and Disabled.
Note: POST message is always displayed regardless of the item setting.
Option ROM Messages
Use this feature to set the display mode for the Option ROM. Select Keep Current to use the
current AddOn ROM display setting. Select Force BIOS to use the display mode set by the
system BIOS. The options are Force BIOS and Keep Current.
Bootup NumLock State
Use this feature to set the Power-on state for the Numlock key. The options are Off and On.
Wait For 'F1' If Error
Select Enabled to force the system to wait until the 'F1' key is pressed if an error occurs. The
options are Disabled and Enabled.
INT19 Trap Response
Interrupt 19 is the software interrupt that handles the boot disk function. When this item is
set to Immediate, the BIOS ROM of the host adaptors will "capture" Interrupt 19 at bootup
immediately and allow the drives that are attached to these host adaptors to function as
bootable disks. If this item is set to Postponed, the BIOS ROM of the host adaptors will not
capture Interrupt 19 immediately and allow the drives attached to these adaptors to function
as bootable devices at bootup. The options are Immediate and Postponed.
Re-try Boot
When EFI (Expansible Firmware Interface) Boot is selected, the system BIOS will automatically
reboot the system from an EFI boot device after an initial boot failure. Select Legacy Boot to
allow the BIOS to automatically reboot the system from a Legacy boot device after an initial
boot failure. The options are Disabled, Legacy Boot, and EFI Boot.
Install Windows 7 USB Support
Select Enabled to install Windows 7 and the XHCI drivers for USB keyboard/mouse support.
After you've installed the Windows 7 and XHCI drivers, be sure to set this feature to "Disabled"
(default). The options are Disabled and Enabled.
Port 61h Bit-4 Emulation
Select Enabled for I/O Port 61h-Bit 4 emulation support to enhance system performance. The
options are Enabled and Disabled.
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