9900k pm not working in smbios iMacPro1,1

My 9900k pm doesn't seem like it's working under Catalina when I set the smbios to iMacPro1,1.

Can anybody help me figure this out?

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https://preview.redd.it/5lwywmv4k6w31.png?width=392&format=png&auto=webp&s=b51a9af2264ca21d3522b0deaedc10e6e607d6ef

https://preview.redd.it/by7b9tafk6w31.png?width=1271&format=png&auto=webp&s=4e4a24bea71b68c36dae65a76f60f17871226eb2