I have an Asrock x99 oc formula , my bios is same to yours.E5-2683 v3 BIOS settings
OC Tweaker
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CPU Config
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'Max Core Ratio' needs removing as it is irrelevant for this CPU. Long duration still reverts to 120W but use false reading to bypass this otherwise limited to a RAPL of 40 seconds. Use to run BCLK at 105.1MHZ but saw I was getting a lot of corrected WHEA errors on the PCIe bus with NVMe at of 103MHz and GTX1080 at ~102MHz. Can reduce with lower link speed but just doesn't seem worth it for a few percent.
FIVR Config
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Can hit max turbo -1 with AVX2 and -20mV offsets but seems to ramp up over a few seconds from max turbo -2 to -1. -30mV gives much faster response. And yes, VSA is positive.
Voltage Config
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Most likely could lower DRAM voltage but haven't bothered. Timings reduced.
V3 Config
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OC lock is being used for power reading and not OC lock. Need to change if I get some enthusiasm back. Tjmax doesn't do anything here and some other settings such as "Perf_Plimit_Differential" which if I guess correctly is actual for dual socket and P-State differential between sockets. Maybe I'm guessing wrong.
Advanced CPU
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Could add package C2 here but PC2 doesn't seem to make a lot of difference.
Anyway that's what I'm running and works for me but might not work so well for someone else. Needs a fair bit more work yet, maybe some time later on.
Edit: Thanks Cata40, hope imgur works better than Photobucket did
Why you have v3 configuration and me not in bios?