Yeah so they (supermicro tech support) gave me access to an FTP download for BIOS v2.0b, which was made after the Opteron 6274.
Had to load of freeDOS and flash the new BIOS through that, works just fine now.
Yeah you're right, I didn't realize but Magny-Cours (Opteron 6100 series) is based off 45nm K10 and Interlagos (Opteron 6200) is based off 32nm Bulldozer. Magny-Cours was released in March 2010 with the H8DGU-F, and Interlagos came out November 2011, so lots of things could change - such as the...
I have a SuperMicro H8DGU-F board, dual socket AMD G34 board.
Basically all the parts from this setup were from eBay, and everything worked until I tried to change out the CPUs.
CPUS : 2x AMD Opteron 6274 [not functioning] (Previously was working with 2x AMD Opteron 6172)...