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- z820 workstation - disable LSI SAS controller on system boar...

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07-15-2019 08:47 PM
I have a z820 workstation that has outlived its life as a CAD workstation but will make a great FreeNAS server for backups. FreeNAS works best with LSI controllers with IT firmware vs IR firmware which is what is currently installed as part of the HP default. I am pretty sure I can cross flash the on board controller to IT mode firmware but I don't want to do that for a variety of reasons. I have obtained an LSI SAS9211-i8i card and have successfully cross flashed its firmware to IT mode.
The issue is the on board controller and the PCI-E card seem to be in conflict. I want to disable the on board controller but cannot seem to figure out how. Any help would be appreciated.
Thanks
07-16-2019 01:19 AM
please read the hp maintenance manual or the user manual for information!!!!! it covers all aspects of the system in detail and will/does cover that the features of the system are and the options of said features
for most systems that have onboard add on controllers (z820 included) entering the bios and disabling the desired controllers will fully disable it
please note that disabling the controller, is not the same as disabling the controllers boot rom in this case the card will no longer boot, but will still be seen once a OS is loaded
to recap, for your request you want to enter the z820 bios and select the "Disable" option of the onboard controller not the one that just disables the onboard LSI boot rom, but leaves the card enabled