Recent content by HackieMac

The HD7950 is a Powercolor PC version that I have lying around. Good Luck!

That's the issue I'm running into when the processor with the E5-2620v3 processor. Will have to play with it some-more... Will try to recreate ssdt's again with the E5-2620v3 proc and try again.

Hi Folks, I was able to get Catalina installed on my the Dell precision T5810 workstation with a Xeon E5-1603v3 cpu and Hd7950 graphics card. For audio (including internal speakers to work), I had to use ALCID=16 in the boot args. For the HD7950, I had to use npci=0x2000 in the boot args...