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Need help w/ i7 2600k @ 4.8ghz stable - Page 2

post #11 of 17
Thread Starter 
Quote:
Originally Posted by Chrit;13933852 
Perhaps this is happening to you? I've got the same board and am looking to getting a H60, too. If it's this problem I'll just get the Kühler 620. It seems to not have this issue. See here.

No I don't seem to have this issue on my motherboard. There is enough spacing between the capacitors and the edge of my H60. They are not touching or blocking the H60 from touching the CPU.

I'm still playing with the offset voltages and benchmark programs to find out if everything is stable.
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post #12 of 17
Thread Starter 
It appears to be stable at 4.8ghz on an Asus P8P67 Pro @ 1.35v with LLC enabled to extreme. Does not seem to spike more than 1.38v. No errors on IBT or F@H.

Attachment 218318
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post #13 of 17
Quote:
Originally Posted by jibesh View Post
It appears to be stable at 4.8ghz on an Asus P8P67 Pro @ 1.35v with LLC enabled to extreme. Does not seem to spike more than 1.38v. No errors on IBT or F@H.

Attachment 218318
How did you the temp so low? My h60 with mx-4 paste hit 85 degree at 4.6 Ghz and 1.344 voltage.
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post #14 of 17
My rig is similar to yours and I have found the droop to be more than annoying. I have found complete stability at manual set VCORE of 1.45 (actual around ~1.43). I might switch to offset voltage as well, but I see more variability in voltages with it for some reason and my chip seems to not like it very much.

Oh, also a bit random, but if you disable the Cstates (all three) then voltage seems a bit more consistent as well (plus if you have SSD's you will get better disk performance). Just kiss the speedstep goodbye.

-SF
post #15 of 17
Oh, also try running 3Dmark too at that voltage. I find when you stress the GPU and a bit of the CPU, vcore under 1.4 seems to be unstable. If you can get 4.8 with 1.35v you have a great chip!

-SF
post #16 of 17
Thread Starter 
I use the H60 with MX-2 in a Silverstone RV02-BW case. I do have all C-States disabled. I was using the P8P67-M Pro motherboard previously and could only use Offset voltage. With the P8P67 Pro, I set the VCore voltage manually to 1.35v (anything less I would BSOD).

I have run 3DMark 11 with it and it was stable. Intel Burn Test with Furmark running stresses the CPU/GPUs more.
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post #17 of 17
Thread Starter 
Update: So after a week of folding and 24+ hrs of prime95, everything appears to be stable.

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CPUCPUMotherboardGraphics
Intel Xeon E5-2670 Intel Xeon E5-2670 SuperMicro X9DR7-LN4F Onboard Graphics 
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128GB (16 x 8GB) 1333MHz ECC Registered DDR3 4 x Micron M500 480GB SSD 4 x Hitachi 450GB 10K SAS 8 x Toshiba 5TB 
Hard DriveCoolingCoolingOS
Intel 750 400GB NVME SSD 2 x Dynatron R22 6 x SuperMicro 5K RPM Fans VMWare vSphere 6 
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IPMI SuperMicro 650W PSU SuperMicro CSE-833T-650B Black 3U Rackmount Ser... Intel X520-T2 Dual Port 10GbE Server Adapter 
Other
HP P420 1GB Smart Array Controller 
CPUCPUMotherboardGraphics
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RAMHard DriveHard DriveHard Drive
128GB (16 x 8GB) 1333MHz ECC Registered DDR3 4 x Micron M500 480GB SSD 4 x Hitachi 450GB 10K SAS Intel 750 400GB NVME SSD 
CoolingOSMonitorPower
2 x Intel AUPSRCBTP VMWare vSphere 6 IPMI Intel 750W PSU 
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Intel Xeon E5-2670 Intel Xeon E5-2670 SuperMicro X9DR3-F Onboard Graphics 
RAMHard DriveHard DriveHard Drive
128GB (16 x 8GB) 1333MHz ECC Registered DDR3 4 x Micron M500 480GB SSD 4 x Hitachi 450GB 10K SAS Intel 750 400GB NVME SSD 
CoolingCoolingOSMonitor
2 x Dynatron R22 3 x SuperMicro 5K RPM Fans VMWare vSphere 6 IPMI 
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Hard DriveCoolingCoolingOS
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MonitorPowerCaseOther
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128GB (16 x 8GB) 1333MHz ECC Registered DDR3 4 x Micron M500 480GB SSD 4 x Hitachi 450GB 10K SAS Intel 750 400GB NVME SSD 
CoolingOSMonitorPower
2 x Intel AUPSRCBTP VMWare vSphere 6 IPMI Intel 750W PSU 
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CoolingCoolingOSMonitor
2 x Dynatron R22 3 x SuperMicro 5K RPM Fans VMWare vSphere 6 IPMI 
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