The C9Z390-PGW overclocking isn't rocket science, but it can be a bit hard for those not used to Supermicro's settings. For starters, you want to load one of their default OC profiles; they have them up far enough for ambient, I chose 5.2GHz. That will change internal settings and will set all cores to the same ratio, it will change AC/DC load line, and it will increase internal VR current limits, although we also increase PL1 and PL2 to very high levels.
Then we went into the voltage menu reduced VCCSA to 1.2v and VCCIO to 1.1v, set override VCore mode to 1.33v, which auto set LLC to level 4. You want to go and change that level to level 2. Then we went into the memory menu and enabled XMP. The result was the OC above, which shows performance is where it should be at 5.2GHz and that the CPU actually ran at a slightly lower VCore than we are used to supplying, at 1.3v.
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- Page 1 [Introduction, Specifications, and Pricing]
- Page 2 [Packaging and C9Z390-PGW Overview]
- Page 3 [Supermicro C9Z390-PGW Circuit Analysis]
- Page 4 [Supermicro C9Z390-PGW Circuit Analysis Continued]
- Page 5 [BIOS and Software]
- Page 6 [Test System Setup]
- Page 7 [Overclocking]
- Page 8 [CPU, Memory, and System Benchmarks]
- Page 9 [System IO Benchmarks]
- Page 10 [Thermal Imaging and Power Consumption]
- Page 11 [What's Hot, What's Not & Final Thoughts]