Update H310.md

Added instructions for disabling third party PCI fan response in iDRAC after changing to non-Dell firmware.
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jmott85 2021-03-31 06:30:33 -05:00 committed by GitHub
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@ -73,6 +73,22 @@ flashboot /root/Bootloaders/x64sas2.rom
```
You can now ditch the live images and boot back into your normal system.
## Optional: (Dell) Modify RACADM
>Warning: Use this at your own risk. Modifying thermal settings can create unforseen circumstances. If you are running your server in a warm environment, it is probably best to leave this alone.
The LSI firmware is not supported by Dell. This causes the iDRAC to no longer keep track of the drive temperatures. In response, the iDRAC will throw error PCI3018 in the Lifecycle Log and set the fans to a static speed of about 30%.
To correct this, you can disable the "ThirdPartyPCIFanResponse" feature by using RACADM. The easiest way to do this is to connect to the iDRAC using an SSH client. Once connected, run this command:
```
racadm set system.thermalsettings.ThirdPartyPCIFanResponse 0
```
If you need to revert, run this command instead:
```
racadm set system.thermalsettings.ThirdPartyPCIFanResponse 1
```
>Note: This information was collected from the Dell iDRAC9 User's Guide which can be referenced here: https://dl.dell.com/topicspdf/idrac9-lifecycle-controller-v33-series_users-guide6_en-us.pdf . The relevant information can be found near the bottom of page 57.
## Optional: Reverting
If for some reason you need to revert back to the stock Dell PERC firmware, that's easy. Boot into the FreeDOS live image, and run the following command:
```