An excellent excerpt from another blog
Credit: http://www.righteoushack.net/dell-poweredge-13th-gen-fan-noise/
Disable Third-Party PCIe Card Default Cooling Response:
pmitool -I lanplus -H ipaddress -U root -P password raw 0x30 0xce 0x00 0x16 0x05 0x00 0x00 0x00 0x05 0x00 0x01 0x00 0x00
Enable Third-Party PCIe Card Default Cooling Response:
ipmitool -I lanplus -H ipaddress -U root -P password raw 0x30 0xce 0x00 0x16 0x05 0x00 0x00 0x00 0x05 0x00 0x00 0x00 0x00
To check the current third party PCIe card default cooling setting:
ipmitool -I lanplus -H ipaddress -U root -P password raw 0x30 0xce 0x01 0x16 0x05 0x00 0x00 0x00
This response means disabed:
16 05 00 00 00 05 00 01 00 00
This response means enabled:
16 05 00 00 00 05 00 00 00 00
Also, on 13th Gen, the settings for 3rd party PCIe response can be set like this:
/admin1-> racadm set System.ThermalSettings.FanSpeedOffset Off
/admin1-> racadm set System.ThermalSettings.ThirdPartyPCIFanResponse 0