Set Bios Boot Info
更新时间: 2026/08/06
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Set Bios Boot Info

Change History

openUBMC VersionRevision DateDescription
25.062025/06/26Initial draft: add command details

Basic Information

Function Description

Set BIOS information.

Privilege

Command Information

Request Information

ByteData Field
NetFn30h
CMD92h
1:3Manufacturer ID, LS Byte first. The length is fixed to three bytes. For example, if the vendor ID is 2011 and the corresponding hexadecimal value is 0x0007DB, the first byte is DBh, the second byte is 07h, and the third byte is 00h.
4Subcommand.subcommand=5Dh
5BIOS ID: This parameter is reserved for multi-host scenarios. In single-host scenarios, this parameter has a fixed value of 0.
6Type of the boot information to be set:
1: StartOption
2: StartOptionFlag
3: sets the BIOS full print switch flag (BiosPrintFlag).
4: Boot mode switch (BiosBootModeSw)
5: indicates the boot mode BiosBootMode. This command is used for x86 servers (UEFI or Legacy mode) and is not used for ARM servers (fixed at UEFI).
8: SystemStartupState
9: StartOptionFlagExt
10: sets the switch for displaying the boot mode over the IPMI port. The value 0 indicates that the switch is not displayed, and the value 1 indicates that the switch is displayed.
7Sets the length of information.
8:NConfigure Merge Request

Response Information

ByteData Field
1Completion Code
2:4Manufacturer ID, LS Byte first. The length is fixed to three bytes. For example, if the vendor ID is 2011 and the corresponding hexadecimal value is 0x0007DB, the first byte is DBh, the second byte is 07h, and the third byte is 00h.

Command Example

Request:

bash
ipmicmd -k "0f 00 MM NN" smi 0

Response:

text
0f MM NN

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