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Help me max out my 2500k OC

post #1 of 52
Thread Starter 
Can I get some help reaching max OC? I'm using an ASUS P8P67 Pro board B3 Stepping with Bios 1305 or whatever the B3 boards came with.
VCCSA Voltage: 0.92500v
VCCIO Voltage: 1.00000v
CPU PLL Voltage: 1.75000v
Auto PLL Overvoltage: Enabled
PCH Voltage: 1.10v
VRM Frequency: 350
Duty Control: Extreme
Phase Control: Extreme
Digi + VRM Load Line Calibration: Extreme
Digi + VRM Current Capability: 130%
CPU Multi 45/46/47
CPU BCLK: 104.6/102.1/100
CPU voltage: for the 46 and 47 multi 1.425v in bios 1.44v idle, and 1.448v under load. For the 45x multi 1.47v in bios and 1.49v under load
DDR Voltage: 1.5v (Stock 1600 MHZ 9-9-9-24-2T Timings and Speed are rated at 1.65v)
DDR Speed: Auto Spread Spectrum: Enabled for 45x multi, disabled for 46/47x multis Posting pictures of current 02:30 run of Prime 95 Blend. http://valid.canardpc.com/show_oc.php?id=1745913



The 46 and 47 multi's are Folding@Home Stable but fail at Prime Blend after a few hours.
Edited by phazer11 - 4/2/11 at 10:11am
     
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post #2 of 52
VCCSA Voltage: Auto it's advised not to touch that one
VCCIO Voltage: Auto for now
CPU PLL Voltage: 1.75v
Auto PLL Overvoltage: Enabled
PCH Voltage: Auto
VRM Frequency: 350
Duty Control: Extreme
Phase Control: Extreme
Digi + VRM Current Capability: Auto - 100%
CPU Multi 47 by each core
CPU BCLK: 100 sb doesn't like changes in bclk
CPU voltage: 1.48v Manual
DDR Voltage: Rated stock volts
Spread Spectrum: Disabled
LLC: High or Ultra High (check which one works better for vdroop)

Test those with an hour of blend each time and reduce or up vcore when bsod.


EDIT: you might wanna get some new thermal paste could help with temps and also keep the power saving featues on (doesnt effect overclock)

Quote:
Originally Posted by coolhandluke41 View Post
I think this may be helpful for some of you,found this on XS

The OverClockers BSOD code list
BSOD codes for overclocking
0x101 = increase vcore
0x124 = increase/decrease vcore or QPI/VTT...have to test to see which one it is
0x0A = unstable RAM/IMC, increase QPI first, if that doesn't work increase vcore
0x1E = increase vcore
0x3B = increase vcore
0x3D = increase vcore
0xD1 = QPI/VTT, increase/decrease as necessary, can also be unstable Ram, raise Ram voltage
0x9C = QPI/VTT most likely, but increasing vcore has helped in some instances
0x50 = RAM timings/Frequency or uncore multi unstable, increase RAM voltage or adjust QPI/VTT, or lower uncore if you're higher than 2x
0x109 = Not enough or too Much memory voltage
0x116 = Low IOH (NB) voltage, GPU issue (most common when running multi-GPU/overclocking GPU)
0x7E = Corrupted OS file, possibly from overclocking. Run sfc /scannow and chkdsk /r

and for all of you with GB mobos you should read this;
http://www.overclock.net/intel-gener...uide-p67a.html

Edited by munaim1 - 4/2/11 at 11:22am
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post #3 of 52
i say find max multi first...

Quote:
Binning Sandy Bridge is extremely easy.

- use HS fan with easy mounting
- set Vcore to 1.55V
- disable HT and 2 cores (to not make it overheat with crappy HSF)
- increase multiplier

You just need to see the windows OS options, not actually boot into windows. If your CPU can show the different OS options, stability will just be function of Vcore and temperature. If it doesn't show the OS options, you will never get it stable anyways, so you might as well ditch the CPU.

Usually, it takes about 5 minutes to see if the CPU is good or not.

With some CPUs, you do have the issue that some multiplier is better than the other for stability. For instance, my current CPU can boot at 51x MAX (~ 5145MHz). When trying to run near this max speed, I have to use 49x instead of 50x multiplier because it's a lot more stable.

But, that's something
and then work your way through it maybe bump down the multi one and follow the asus guide

http://www.xtremesystems.org/forums/...d.php?t=265398
post #4 of 52
Thread Starter 
Quote:
Originally Posted by munaim1 View Post
VCCSA Voltage: Auto it's advised not to touch that one
VCCIO Voltage: Auto for now
CPU PLL Voltage: 1.75v
Auto PLL Overvoltage: Enabled
PCH Voltage: Auto
VRM Frequency: 350
Duty Control: Extreme
Phase Control: Extreme
Digi + VRM Current Capability: Auto - 100%
CPU Multi 47 by each core
CPU BCLK: 100 sb doesn't like changes in bclk
CPU voltage: 1.48v Manual
DDR Voltage: Rated stock volts
Spread Spectrum: Disabled
LLC: High or Ultra High (check which one works better for vdroop)

Test those with an hour of blend each time and reduce or up vcore when bsod.


EDIT: you might wanna get some new thermal paste could help with temps and also keep the power saving featues on (doesnt effect overclock)
Interesting about the powersaving features. I replaced thermal paste.
So far so good on this OC with the 45x multi and 104.5 BCLK lmao
     
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post #5 of 52
It is taking you 1.5v to get 4.7 Ghz stable?

I would drop off voltage to 1.35 or 1.4v and then see what you can get stable. Then I would stop overclocking because that is a piss poor chip
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post #6 of 52
drop bclk back to 100 and find max multipler as suggested by phaseshift. what thermal paste are you using now?
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post #7 of 52
Thread Starter 
Quote:
Originally Posted by phaseshift View Post
i say find max multi first...



and then work your way through it maybe bump down the multi one and follow the asus guide

http://www.xtremesystems.org/forums/...d.php?t=265398
I don't know what they mean by OS options are they meaning in the bios?

Quote:
Originally Posted by seabiscuit68 View Post
It is taking you 1.5v to get 4.7 Ghz stable?

I would drop off voltage to 1.35 or 1.4v and then see what you can get stable. Then I would stop overclocking because that is a piss poor chip
Well the OC I'm doing with the 45x multi at 4.7 GHz is using 1.49v But I can get it 24/7 Folding@Home stable with just 1.425v and that'll keep it Prime 95 Blend stable for about 2 hours. And yeah as I said in OP this chip can't compare to the first 2500k and motherboard I got, I just wish I'd never even thought of attaching that H50 >v< that screwed me over bigtime...

Anyways any more ideas?
     
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post #8 of 52
I agree the voltage seems a little high for that multi. 1.375 gets me stable @ 48 multi.


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post #9 of 52
just noticed are you running 6gb of ram?


I would advise you to start from the beginning. put everything on stock and do this:

disable spread spectrum and run ram at default settings with rated volts.
vcore manual - 1.45
llc ultra high
phase extreme
duty control extreme
pll overvoltage enabled
cpu current 100%
turbo ratio by each core 47

dont change anything else
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post #10 of 52
Thread Starter 
Quote:
Originally Posted by munaim1 View Post
just noticed are you running 6gb of ram?


I would advise you to start from the beginning. put everything on stock and do this:

disable spread spectrum and run ram at default settings with rated volts.
vcore manual - 1.45
llc ultra high
phase extreme
duty control extreme
pll overvoltage enabled
cpu current 100%
turbo ratio by each core 47

dont change anything else
Yeah I'm running 3x2GB sticks of 1600MHz DDR3 Timings: 9-9-9-24-2T
I'll try it. Also why do you keep saying by each core? Wouldn't by all cores controllable in os be just as good?
     
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