Table 5-3 Computer Setup—Advanced (for advanced users) (continued)device on the list may be individually excluded from or included for consideration as a bootableoperating system source.Specify the order of attached hard drives. The first hard drive in the order will have priority in theboot sequence and will be recognized as drive C (if any devices are attached).NOTE: To drag a device to a preferred place, press Enter. To remove the device from consideration as abootable device, press F5.You can use F5 to disable individual boot items, as well as disable UEFI boot and/or legacy boot.NOTE: MS-DOS drive lettering assignments may not apply after a non-MS-DOS operating system hasstarted.Shortcut to Temporarily Override Boot OrderTo boot one time from a device other than the default device specified in Boot Order, restart the computerand press Esc (to access the boot menu) and then F9 (Boot Order), or only F9 (skipping the boot menu)when the monitor light turns green. After POST is completed, a list of bootable devices is displayed. Usethe arrow keys to select the preferred bootable device and press Enter. The computer then boots from theselected non-default device for this one time.Secure BootConfigurationConfigure Legacy Support and Secure BootLegacy Support – Lets you turn off all legacy support on the computer, including booting to DOS, runninglegacy graphics cards, booting to legacy devices, and so on.Secure Boot – Lets you make sure an operating system is legitimate before booting to it, making Windowsresistant to malicious modification from preboot to full OS booting, preventing firmware attacks. UEFI andWindows Secure Boot only allow code signed by pre-approved digital certificates to run during thefirmware and OS boot process.Default is ‘Legacy Support Enable and Secure Boot Disable’.Secure Boot Key ManagementLets you manage the custom key settings.Clear Secure Boot KeysLets you delete any previously loaded custom boot keys. Clearing keys will disable secure boot. Default isdisabled.Reset Security Boot keys to factory defaultsDefault is disabled.System Options Onboard RAID (enable/disable)Lets you enable onboard RAID. Default is disabled.Max SATA Speed (6.0 Gbps/3.0Gbps)Lets you set the maximum SATA drive speed to either 3.0 Gbps or 6.0 Gbps. The default is ‘6.0 Gbps’.USB 3.0 (XHCI) (enable/disable)Lets you enable the eXtensible Host Controller Interface (xHCI). If enabled, the USB 3.0 ports are routed tothe xHCI controller before booting to OS. If disabled, the USB 3.0 ports are routed to the EHCI controllerbefore booting to OS. The default is disabled.After Power Loss (off/on/previous state). Default is Power off. Setting this option to:● Power off—causes the computer to remain powered off when power is restored.● Power on—causes the computer to power on automatically as soon as power is restored.● Previous state—causes the computer to power on automatically as soon as power is restored, if itwas on when power was lost.SVM CPU VIrtualization (enable/disable)Computer Setup (F10) Utilities 59