Lenovo ThinkSystem HR330A - Set Fan Speed

154
Byte
Data field
1
Completion Code
2
Mask
[7] – PSU Error Mask
[6] – Undetermined Error Mask
[5] – CPU Fault Mask
[4] – Overtemp Mask
[3] – Hightemp Mask
[2] – DIMM Error Mask
[1] – FAN Error Mask
[0] – Sensor Error Mask
2.19 Set Fan Speed
This is the command to set fan pwm duty cycle. User needs to use command 0x0b to disable cooling manager support first so that
the fan will not be controlled by thermal algorithm anymore.
Linux command:
$ ipmitool raw 0x3c 0x14
Description:
NetFn
0x3c
Command
0x14
Request Data:
Byte
Data field
1
Fan number
2 - 6: 2U Chassis
2 - 7: 1U Chassis
2
Pwm Duty (0-100)
Response Data:
Byte
Data field
1
Completion Code
2
Result
00h: Success
01h: Invalid fan number