Get Fan Mode
更新时间： 2026/08/06
在Gitcode上查看源码Get Fan Mode
Change History
| openUBMC Version | Revision Date | Description |
|---|---|---|
| 25.06 | 2025/06/26 | Initial draft: add command details |
Basic Information
Function Description
Obtains the fan mode (not applicable to servers without fans).
Privilege
ReadOnly
Command Information
Request Information
| Byte | Data Field |
|---|---|
| NetFn | 30h |
| CMD | 91h |
| 1:3 | Manufacturer 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. |
| 4 | Sub command, sub command=02h |
Response Information
| Byte | Data Field |
|---|---|
| 2:4 | Manufacturer 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. |
| 5 | Mode 0: automatic speed adjustment. Bytes 6-9 do not exist. 1: manual speed adjustment. Bytes 3 to 9 indicate the remaining timeout period (in minutes) for manual speed adjustment. After this period, the manual speed adjustment mode changes to automatic speed adjustment. 2: mixed speed adjustment. Bytes 6-9 do not exist. |
| 6 | Timeout0-7 bits |
| 7 | Timeout8-15 bits |
| 8 | Timeout16-23 bits |
| 9 | Timeout24-31 bits |
Command Example
Obtain the fan mode.
Request:
bash
ipmitool raw 0x30 0x91 0xdb 0x07 0x00 0x02Response:
text
db 07 00 00