This is my current stable setup, I tested it for 23 hours of tm5 and no errors. But now when i try to push it further to cl14 my bios gets corrupted. Trying to do rcd 16 gives errors after the 2 hour mark. Temps are not too bad, they max out at 46C under load. I wanted to know if bios corruption is related to the motherboard or the dimms. My current vdimm is 1.56v, trfc scales with vdimm. What more can i do to improve this setup.
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Also wanted to add that these are 3200 c16 corsair dominators b die
BIOS getting corrupted is quite unique, never seen that happen with unstable RAM. Usually the system will just stop POSTing and a BIOS reset fixes that in seconds.
Your timings are already quite tight. You could try 1.6 RAM voltage + dedicated cooling fan to get tCL 14 + tRCD 16 working, but that would be a negligible improvement.