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May 27, 2023 03:43
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some raw commands to send via ipmitool to slow the fan speed on 11th gen poweredge servers (R410 notably) down to around 1/4 of their original speed to shut them up :)
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| [Unit] | |
| Description=Sets fan speeds on boot | |
| [Service] | |
| Type=oneshot | |
| ExecStartPre=ipmitool raw 0x30 0x30 0x01 0x00 | |
| ExecStart=ipmitool raw 0x30 0x30 0x02 0xff 0x14 | |
| [Install] | |
| WantedBy=multi-user.target |
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| #!/bin/sh | |
| # Same as the systemd service above, but | |
| # in script form, enjoy! | |
| # enables manual fan speed control | |
| ipmitool raw 0x30 0x30 0x01 0x00 | |
| # sets fan speed - tweak the last set of hex | |
| # chars to vary the rotation speed if you need to | |
| ipmitool raw 0x30 0x30 0x02 0xff 0x14 |
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