Try 62 for trfc (Refresh to act) just to be sure.

Your board may have not gotten a S3 BIOS update to fix the issue that was present in P35 boards, have you emailed gigabyte support and asked?

It does sound driver related though for sure. Sorry I do not know if anyone is using that card in your board. I see this user bought the combo, maybe you could join and ask him how it performs >>>
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