Reference Guide

NOTE: On a Dell 13th generation of PowerEdge server, to set the value from OneTimeBootMode to
OneTimeUefiBootSeq, you must boot the server in UEFI mode.
BIOS.OneTimeBoot.OneTimeBootMode (Read or Write)
Description
This field enables the boot device list from which a boot device can be selected. After selecting the One-
Time Boot Device List, the desired boot device must be selected from the corresponding Sequence
Device field. The system will attempt to boot once to the selected device on next startup.
Legal Values
● Disabled
● OneTimeBootSeq
● OneTimeHddSeq
● OneTimeUefiBootSeq
● OneTimeCustomBootSeqStr
● OneTimeCustomHddSeqStr
● OneTimeCustomUefiBootSeqStr
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.OneTimeBoot.OneTimeBootModeSeq (Read or Write)
Description
Indicates the one time boot device sequence.
Legal Values None
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS.OneTimeBoot.OneTimeBootSeqDev (Read or Write)
Description
This field determines the one-time boot device when the One-Time Boot Device List is set to BIOS Boot
Sequence Device. If Boot Mode is set to UEFI, the system temporarily switches the Boot Mode to BIOS
when attempting a one-time boot to the device.
Legal Values
● *Dynamic*
Default Value Not Applicable
Write Privilege Server Control
License Required iDRAC Express or iDRAC Enterprise
Dependency Not applicable
BIOS Attributes 263