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CMW32GX4M4Z3200C16 DOCP won't POST


Theophany
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Hi all,

 

I recently completed a new build with the following specs:

 

  • Ryzen 9 3900X
  • Asus Strix X570-F Motherboard
  • Corsair Vengeance RGB Pro 32GB (4x8GB, CMW32GX4M4Z3200C16, Ryzen compatible)
  • RTX 3080

 

My issue is that I can't seem to get the RAM to run at it's XMP/DOCP speed of 3200MHz. The PC will reboot but not POST, with the DRAM error LED illuminated. I then have to do a CMOS reset to get going again.

 

The RAM defaults to 2666MHz speed otherwise.

 

I have attached a screenshot from Thaiphoon Burner and I suspect that it is misreading the kit's IC based on the XMP timings. It looks more like Samsung C-Die than B-Die.

 

Any suggestions on how I can get this kit working at it's rated XMP speeds? I did try to get timings from DRAM Calculator for Ryzen, but it doesn't support Samsung C Die.

RAM.png.883a0be4a4cfb75aa1cd2e2f9871496a.png

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