The default DRAM Termination, MCH/DRAM Reference and Channel A & B references are 50% of the vdimm. Start from that point and go lower to tweak. If working from the ET6 and want to "move" those settings to BIOS, set the vdimm to 1.8V in bios first, followed by setting the DRAM Termination, MCH/DRAM Reference and Channel A & B references to the ET6 values, then raise the vdimm to the previous value. The reference volts will self adjust as the vdimm is adjusted.




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