[Request] ASRock Deskmini B760 with downgraded Intel ME

Hi everyone. I have a Deskmini B760 that I want to ugprade with an engineering sample 12900K I acquired for about $3 US. Unfortunately the CPU hangs on newer Management Engine versions and causes the board to fail to POST. I have a B660m-DS3H AX DDR4 that accepts the CPU when I downgrade the UEFI to older versions with older Management Engine interfaces.

On Gigabyte, the CPU works with this Management Engine version

Whereas the oldest release for the Deskmini B760 appears to be much newer than the ME found in Gigabyte.

I would like to see if I could inject the older ME into the ASRock B760 UEFI. I don’t know how to do this, but I do have the tools necessary to flash and restore the chip, so if it doesn’t work, I can simply restore it to a factory version.

I appreciate any help that can be provided.

Then see if Intel FPT tool can write the CSME region or swap the CSME fw image on a dump.

Thank you. I’ll definitely check it out to see if it works.