Dell PowerEdge XE9680 Installation And Service Manual

Table 44. Boot Settings details (continued)Option DescriptionBoot Sequence Retry Enables or disables the Boot sequence retry feature or resets the system. Whenthis option is set to Enabled and the system fails to boot, the system re-attemptsthe boot sequence after 30 seconds. When this option is set to Reset and thesystem fails to boot, the system reboots immediately. This option is set to Enabledby default.Hard-disk Failover Enables or disables the Hard-disk failover. This option is set to Disabled by default.Generic USB Boot Enables or disables the generic USB boot placeholder. This option is set toDisabled by default.Hard-disk Drive Placeholder Enables or disables the Hard-disk drive placeholder. This option is set to Disabledby default.Clean all SysPrep variables and order When this option is set to None, BIOS will do nothing. When set to Yes, BIOS willdelete variables of SysPrep #### and SysPrepOrder this option is a onetime option,will reset to none when deleting variables. This setting is only available in UEFIBoot Mode. This option is set to None by default.UEFI Boot Settings Specifies the UEFI boot sequence. Enables or disables UEFI Boot options.NOTE: This option controls the UEFI boot order. The first option in the list willbe attempted first.Table 45. UEFI Boot SettingsOption DescriptionUEFI Boot Sequence Enables you to change the boot device order.Boot Options Enable/Disable Enables you to select the enabled or disabled boot devicesChoosing system boot modeSystem Setup enables you to specify one of the following boot modes for installing your operating system:● UEFI boot mode (the default), is an enhanced 64-bit boot interface. If you have configured your system to boot to UEFImode, it replaces the system BIOS.1. From the System Setup Main Menu, click Boot Settings, and select Boot Mode.2. Select the UEFI boot mode you want the system to boot into.CAUTION: Switching the boot mode may prevent the system from booting if the operating system is notinstalled in the same boot mode.3. After the system boots in the specified boot mode, proceed to install your operating system from that mode.NOTE: Operating systems must be UEFI-compatible to be installed from the UEFI boot mode. DOS and 32-bit operatingsystems do not support UEFI and can only be installed from the BIOS boot mode.NOTE: For the latest information about supported operating systems, go to OS support.Changing boot orderAbout this taskYou may have to change the boot order if you want to boot from a USB key or an optical drive. The following instructions mayvary if you have selected BIOS for Boot Mode.NOTE: Changing the drive boot sequence is only supported in BIOS boot mode.Steps1. On the System Setup Main Menu screen, click System BIOS > Boot Settings > UEFI Boot Settings > UEFI BootSequence.Pre-operating system management applications 47