Help! Need Q6700 to 3.1Ghz stable

Hello every one. I have posted a few questions with no response so I am trying again.
I want to get to 3.3ghz but now I am just trying to stablize at 3.1ghz and nothing is
working. I am new to Tom's but have been lurking for awhile. Here is my Issue.

If I run auto setting for Voltage I can boot and use general programs even Kombuster to
Benchmark GPU. running Prime95 I get a black screen freeze around 10 min with no BSOD. There is no error message in Results.txt on pirme95 either. Naturally I increase Corev's to stablize but anything
above auto is useless. Once I get to 1.35v (cpu Max is 1.5V) BSOD's start to appear. I am stuck
for sure.

Note: 3.0ghz was unstable until I took DRAM votlage off auto (1.535v) and moved it to 1.55v
Also, at 3.0ghz temps where 48c after and 1 hour of Prime95. I'm thinking voltage but I have had no luck.

Help please. I am new but have been doing a lot of research. I have read the overclock guides and
other post on this but nothing matching my experience. Many have seen 3.3Ghz but I am struggling at 3.1Ghz

Psu= Corsiar 600GS 600W
MOBO= MSI G41M-P25 Matx [...] div=Detail
RAM= Corsiar 2x4GB 1333MHZ DDR3 PC3 10666, 9-9-9-24
VGA= EVGA GTX 560 SC @ 950MHZ OC'ed
CPU= Q6700 @ 2.66 ghz stock, @ 3.1 ghz unstable, 3100x10 FSB 1240
Cpu cooler= Hyper N520

Windows 7 ultimate x64

Mobo setting:

C1E= Disbaled
EIST/speed step= Disabled
Spread Spectrum= Disabled
Max Cpuid = Disabled

CPU freq= 3100mhz 310x10
RAM Timing= 9-9-9-24
DRAM FSB= 1240mhz

Core Volts= auto
RAM Volts = 1.55 (this stablized at 3.0Ghz)
CPU VTT = auto (auto is 1.115)
NB volt = auto (auto is 1.22)
5 answers Last reply
More about help q6700 1ghz stable
  1. I really hate to say this, but you may just have a chip that is not easily overclockable. As well, it isn't very new, so it may be a bit worn out from heat and voltage. You can try increasing the voltage past 1.35, to maybe 1.40, but make sure you have the extra cooling.

    Also, are you planning on risking the CPU's life for this overclock? By increasing the voltage that high, you run the risk of permanent failure.


    Nevermind, I see your problem.... The simple answer is no. You can't increase the clock without the voltage increase, and if that is making your system unstable, I do not believe there is anything you can do.
  2. I guess I need to be happy at 3.0Ghz. I was really hoping for a "you just don't know what your doing" response so I could fix this thing. I thank you very much for your input.

    Question? What is the non simple answer, if you don't mind sharing.
  3. Any other Comments?
  4. well you might have overlooked you ram.
    lol i overclocked mine first time a bit back and didnt realise my ram was on auto aswell so when i increased my fsb so was my ram which can get unstable its possible that could be the cause of your failures.
  5. A G41 motherboard has an upper FSB limit of a around 340 - 360 MHz depending on the particular chip.

    I am unfamiliar with the MSI BIOS (I use G'byte Core2 boards) but I am pretty sure that you have a setting for FSB:RAM ratio in the BIOS. Take your memory settings off AUTO and set it to 1:1. At that point, at a stock 266 FSB, your memory clock should be 1066 MHz.

    Now start the overclock cycle. You should be able to reach 3.33 GHz easily.

    Your basic limits are:
    CPU voltage: 1.50 volts.
    Load temps: 70 C. 65 C would be a little safer.
    Mem voltage: 1.65 volts in a Core2 system.

    My Q6600 (1.2625 volt VID) will run at 3.0 GHz without a voltage increase on the stock cooler.
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