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High voltage for 2600k @ 4.8GHz? - Page 2

post #11 of 25
Increase cpu current capability to 120% or 130%. Not sure if it will make a big difference, but it will give it some breathing room.
    
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post #12 of 25
I have vcore at 4.9 ghz set at 1.47. 4.8 requires 1.45 on this specific system.
YMMV though.
post #13 of 25
Thread Starter 
I think I'm gonna go for a new chip. I'll try increasing CPU Current Capacity first, though.
post #14 of 25
I prob need close to that myself. @ 100*47 i needed 1.42V, but by going with 98*49 i was able to lower the Vcore to 1.41.

100*47 (4700) = 1.42v
98 * 49 (4800) = 1.41v

Dont know how the reduction in Bclk will inpact other componentes performance but now im passing 24 Hours in P95 Blend.
post #15 of 25
Quote:
Originally Posted by Eggy88 View Post
I prob need close to that myself. @ 100*47 i needed 1.42V, but by going with 98*49 i was able to lower the Vcore to 1.41.

100*47 (4700) = 1.42v
98 * 49 (4800) = 1.41v

Dont know how the reduction in Bclk will inpact other componentes performance but now im passing 24 Hours in P95 Blend.
That's impressive... I want to try that
    
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post #16 of 25
Quote:
Originally Posted by audioxbliss View Post
Hey, fellas. I'm getting a feeling that my 2600k happened to be from the bottom of the barrel. To get to 4.8GHz, I need to push it to 1.44v on vcore just for it to boot and stay in Windows for longer than 30 seconds. If I actually want to do something, I need to push it to 1.45v, which is pretty gay. To fold without blue screens, I need to push even higher. The blue screens are giving me a 0x101 error every time. I'm hoping to, optimally, keep this chip going and get this thing stable at 4.8GHz without resorting to anything over 1.45v, which I've been so far unable to do.

To that end, here's the settings on my BIOS:

Code:
Ai Tweaker:
-Ai Overclock Tuner: Manual
-BCLK/PEG Frequency: 100.0
-Turbo Ratio: By All Cores (Can Adjust in OS)
-By All Cores (Can Adjust in OS): 48
-Internal PLL Overvoltage: Enabled
-Memory Frequency: DDR3-1600MHz
-EPU Power Saving Mode: Disabled
-DRAM Timing Control: All auto, successfully setting to stock settings.
-CPU Power Management:
--CPU Ratio: 34 / Auto
--Enhanced Intel SpeedStep Technology: Disabled / Enable
--Turbo Mode: Enabled
--Primary Plane Current Limit: Auto

-Load-line Calibration: Ultra High (75%)
-VRM Frequency: Manual /Auto, If manual then change below
-VRM Fixed Frequency Mode: 300 /350
-Phase Control: Extreme Ok
-Duty Control: Extreme Ok
-CPU Current Capability: 100% OK

-CPU Voltage: Manual Mode
-CPU Manual Voltage: 1.46
-DRAM Voltage: 1.5 (stock setting)
-VCCSA Voltage: 0.925
-VCCIO Voltage: 1.1
-CPU PLL Voltage: 1.8
-PCH Voltage: 1.05
-CPU SPread Spectrum: Disabled / Enable



CPU Configuration:
-CPU Ratio: 34 /Auto
-Intel Adaptive Thermal Monitor: Disabled / Enable
-Hyper-threading: Enabled
-Active Processor Cores: All
-Limit CPUID Maximum: Disabled
-Execute Disable Bit: Disabled / Enable
-Intel Virtualization Technology: Disabled
-Enhanced Intel SpeedStep Technology: Disabled / Enable
-Turbo Mode: Enabled
-CPU C1E: Disabled / Enable
-CPU C3 Report: Disabled
-CPU C6 Report: Disabled
I hope one of you can make sense of this. Let me know if more info is needed. Looking for suggestions... I can exchange the CPU for a new one if need be, but it's about an hour drive each way to the place I bought the thing.
Ok, I just give you all the points you need to turn on or off, on my 2600k it takes 1.40-1.50V @ 4800 to get 12hrs prime stable, but at 4700 i can get by with just 1.370 to 1.40V, It seems a big difference just to get 100 more out of my chip but oh well.

I'm not one of the lucky one that has a great chip...

Anyways try those settings out and come back and let us know how it goes?
    
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post #17 of 25
Thread Starter 
Got a new chip and just started clocking it... 4.8GHz at 1.375v, with CPU-Z reading 1.36-1.368v on core. This is much better...
post #18 of 25
Not bad, 100% stable? What place let you exchange your CPU so easily?
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post #19 of 25
Thread Starter 
Quote:
Originally Posted by geoxile View Post
Not bad, 100% stable? What place let you exchange your CPU so easily?
Stable so far... I'm gonna give it 24 hours at this voltage before I try to drop it any. Temps are fine, so no rush there.

Microcenter at closing is probably the best retail store to exchange anything.
post #20 of 25
ok why would u advise him to enable spread spectrum? everywhere i read, that setting decreases stability.
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