Set Cooling Device Mode
更新时间： 2026/08/06
在Gitcode上查看源码Set Cooling Device Mode
Change History
| openUBMC Version | Revision Date | Description |
|---|---|---|
| 25.06 | 2025/06/26 | Initial draft: add command details |
Basic Information
Function Description
Sets the heat sink mode.
Privilege
BasicSetting
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=23h |
| 5 | Device Type 0: fan 1: pump |
| 6 | Mode 0: automatic speed adjustment. Bytes 7-10 do not exist. 1: manual speed adjustment. The 7th to 10th bytes indicate the timeout period of manual speed adjustment. After the timeout period expires, automatic speed adjustment is used. The unit is second. The maximum value is 0x7fffffff. If the value is greater than 0x7fffffff, the value is set to 0x7fffffff. 2: hybrid speed adjustment. In this mode, bytes 7 to 10 do not exist. This mode is supported in the controlled speed adjustment scenario. |
| 7 | Timeout bit 0–7 |
| 8 | Timeout bit 8–15 |
| 9 | Timeout bit 16–23 |
| 10 | Timeout bit 24–31 |
Response Information
| Byte | Data Field |
|---|---|
| 1 | Completion Code |
| 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. |
Command Example
Set the heat dissipation mode of fans to automatic speed adjustment.
Request:
bash
db 07 00Response:
text
ipmitool raw 0x30 0x91 0xdb 0x07 0x00 0x23 0x00 0x00