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Is my chip really that bad for OC-ing

post #1 of 8
Thread Starter 
Hi there, I am not an expert in overclocking though I know some of the basic rules
recently I've purchased an asus maximus v formula to replace my asrock z77 ex6 motherboard
historicly my chip (2600k) used to OC in a p67 msi board at 4.2ghz - 1.365/1.375 V
when I changed to my asrock I would able to get 4.5ghz - 1.395 V stable
changing to asus formula V, I was hoping to get a better OC on my chip

The thing is I wasnt been able to get past 4.5ghz stable, the voltage was too high in my opinion ie 1.410+ V
right now I've my chip stable at 4.5Ghz - 1.408V, and I think its very high in voltage. Does my chip really that bad for overclocking or I did something wrong in the bios

There are my components:
CPU : Motherboard i7 2600k @4.5ghz
Motherboard : Asus Maximus V formula
Graphics Asus GTX 670 TOP DCII @1210mhz / 7400mhz SLI (OC)
RAM : G.Skill Ripjaws (4x4GB) 1866mhz
PSU : Seasonic Platinum 860w
Hard Drive : 256GB OCZ Vertex 4
and its on custom watercooling, temp was never really my problem I've it stable at 33-37c idle and 53-56c on load at 4.5ghz - 1.408v
Warning: Spoiler! (Click to show)





Can anyone enlighten me here? would really appreciate the help
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post #2 of 8
I'd say your memory density is coming into play and hyperthreading as well.

See what you can do with just 2 sticks.

But then again, you may have had all 4 slots filled previous to this.
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post #3 of 8
Could be a combination of chip degradation, accuracy in boards voltage readings, and just different power delivery among the boards.

Certainly kind of meh OC'es for the volts but I wouldn't say out of the norm
 
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post #4 of 8
Thread Starter 
When I used my asrock z77 I've already used 4 sticks of memory, might be chip degradation has taken account
If it's still a meh OC than I can relax myself abit, just envy the people who can do better with the same chip
but does any of my settings in BIOS looks fishy?
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post #5 of 8
First off for 4.5 ghz you dont need internal pll voltage enabled. Try putting the ram settings manual. Also Pll voltage on 1.75, VCCIO voltage 1.1 volts. On the section cpu power managment config have everything on enabled except speedstep.
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by todior View Post

First off for 4.5 ghz you dont need internal pll voltage enabled. Try putting the ram settings manual. Also Pll voltage on 1.75, VCCIO voltage 1.1 volts. On the section cpu power managment config have everything on enabled except speedstep.

GOD youre my hero! biggrin.gif
currently able to boot at 4.5ghz - 1.352V
15 min in a prime95 and its looking good!

mind telling me how can you come up with that PLL voltage and VCCIO voltage ?
from what i learnt is

CPU PLL Voltage:
For most overclocking, the minimum voltage requirements will be centered around 1.80V. If using higher processor multiplier ratios or DRAM frequencies over DDR3 2200, then a small over-voltage here can aid stability. Don note that the processor will become increasingly sensitive to PLL voltage changes at sub-zero temperatures and when nearing the maximum frequency the CPU is capable of.

VCCIO:
May need adjustment on Sandybridge processors if using 16GB of memory or memory modules that contain ICs that represent a tough load to the memory controller. 1.05V is base, if adjusting increase in 0.025V steps and check stability at each increment. Maintaining a DC delta between this setting and DRAM voltage may be beneficial if using very high DRAM voltages (on Ivy Bridge, too).

as you can see, my original PLL Volt is on auto and at 1.813v, decreasing it to 1.75v would create stability?
and based on the guide above, i've thought putting it on auto and getting average of 1.059 would be ok
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CPUMotherboardGraphicsGraphics
i7 4930k Asus Rampage IV Black Edition Powercolor R9 290 Powercolor R9 290 
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4x4GB Corsair Dominator Platinum Samsung EVO 120GB x 2 (Raid 0) Samsung EVO 500GB WD Caviar Black 1TB 
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post #7 of 8
What vid does cpu-z show you underload?
Try a pll voltage of 1.71
Enable speedstep and c1 state.
What LLC level are you using?
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post #8 of 8
Since you are using 8 gigs and 2133 mhz speeds 1.1 volts on the vccio (memory controller) or more increases cpu stability. I have tried 1.7 to 1.8 pll and it didn't make a difference up to 4.8 ghz so i chose the lower voltage. Try this 1.330 cpu volts, lcc very high, pll 1.7, vccio 1.1 or more (small increments) it depends on you system. Also ram settings put the valuses manually. I bet you would be stable at that. if you higher clock report back.
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