![](/images/new-backgrounds/1110910/110910121x1.webp)
Option | Description |
|
|
Port B | Auto enables BIOS support for the device attached to |
(Off default) | SATA port B. Off disables BIOS support for the device. |
|
|
Boot Settings Screen
Option | Description |
|
|
Boot Mode | CAUTION: Switching the boot mode could prevent |
(BIOS default) | the system from booting if the operating system was |
| not installed in the same boot mode. |
| If the system operating system supports Unified |
| Extensible Firmware Interface, you can set this option to |
| UEFI. Setting this field to BIOS allows compatibility |
| with |
| NOTE: Setting this field to UEFI disables the Boot |
| Sequence, |
| Emulation Type fields. |
Boot Sequence | If Boot Mode is set to BIOS, this field tells the system |
| where the operating system files needed for startup are |
| located. If Boot Mode is set to UEFI, you can access the |
| UEFI boot manager utility by rebooting the system and |
| pressing <F11> when prompted to do so. |
Determines the order in which the BIOS will attempt to | |
Sequence | boot from hard drives in the system during system |
| startup. |
USB Flash Drive | Determines the emulation type for a USB flash drive. |
Emulation Type | Hard disk allows the USB flash drive to act as a hard |
(Auto default) | drive. Floppy allows the USB flash drive to act as a |
| removable diskette drive. Auto automatically chooses an |
| emulation type. |
| Auto automatically chooses the appropriate emulation |
| type for the device, except for devices installed in the |
| internal SD card slot. A device installed in the internal |
| SD card slot will automatically emulate a hard drive. If |
| you install a device in this slot that is configured as a |
| removable diskette drive, you must manually set the |
| emulation type to Floppy. |
Using the System Setup Program and UEFI Boot Manager
61