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Thread: Help Overclocking my cpu

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    Question Help Overclocking my cpu

    Hi i have had a look around the forums to see if i can see any similar problems anyware but havent found any but soory if this has already been posed in the past

    Ok so iv read around loads of places to find out how to oc my cpu, and now i have finaly got a good idea of how to do it and when i do it it doesnt work, it just powers up the fans but the screen dosent come on and the bios doesnt run, (even after leaving it for 15mins a couple of times to see if it did anyfin) i have to end up turning it off and clearing the cmos, luckly my Mboard has a button for this on the back once you have turned off the psu

    I'v got a intel quad q6600 @ 2.4Ghz and 1.3v (stock)
    Zalman CNPS9700 cooler
    iv got sum crapy ram but plan to upgrade that next payday so i know this will need improving to get a good allround performance and not bottleneck
    iv got a xfx nforce 750i sli motherboard
    an a xfx gtx 295

    multiplier is 9 and stock FBS is 1066mhz

    iv read mixed reviews on the 750i some say it doesnt always oc verywell others say its brilliant, iv also read it has a FBS 'hole' wich is diff for each board, that it just wont work at but i dont know if that would cover a 300mhz range?

    so far iv tried

    FBS: 1155 wich works out at 2.6Ghz

    FBS: 1244 wich works out at 2.8Ghz

    FBS: 1333 wich works out at 3Ghz

    FBS: 1422 wich works out at 3.2Ghz (this is what i'm aiming to get upto in the end)

    and iv tried all these at voltages

    1.3v

    1.325v

    1.35v

    1.375v

    1.4v
    (iv read going above 1.4v for everyday useage can damage the cpu)

    evertime i get the same result, after altering the FBS and Vcore, i go to the main menu on the bios and select save and exit and it just goes blank, nothing happens, so iv tried restarting it, completly powering off and then starting up and it doesnt work lol
    iv got what is according to xfx the latest bios aswell

    so im kinda stumped as i cant find anything else around saying anyfin on this happening, just places saying keep trying diff ones, but from what iv read i would of expected one of them to work by now even if it was unstable

  2. #2
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    Re: Help Overclocking my cpu

    For stability testing I would use OCCT. Intel Burn Test is another good way to check for stability although the latest version of OCCT has a similar test IIRC. Test for at least 8 hours and make sure that the CPU does NOT exceed 70C!!

    I would use CPU-Z and Reel Temp for monitoring purposes.

    Make sure that you have set the proper dividers for your RAM and that it is also running in dual channel mode. Also have a pair of RAM sticks as opposed to four usually helps when overclocking too.
    Last edited by CAT-THE-FIFTH; 06-11-2009 at 08:43 PM.


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    • MadmanCM's system
      • Motherboard:
      • XFX nForce 750i
      • CPU:
      • Q6600 @ 2.4GHz
      • Memory:
      • 3GB
      • Storage:
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    Re: Help Overclocking my cpu

    I have cpu-z and have always used speedfan for the temps

    An thanks i wasnt sure how long you had to run befor it was considered stable, iv seen loads of diff times around, an ill have a look at them for testing stability, thats if i can get it to boot up tho
    Ok so iv read around loads of places to find out how to oc my cpu, and now i have finaly got a good idea of how to do it and when i do it it doesnt work, it just powers up the fans but the screen dosent come on and the bios doesnt run, (even after leaving it for 15mins a couple of times to see if it did anyfin) i have to end up turning it off and clearing the cmos
    evertime i get the same result, after altering the FBS and Vcore, i go to the main menu on the bios and select save and exit and it just goes blank, nothing happens, so iv tried restarting it, completly powering off and then starting up and it doesnt work
    cheers anyway

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    Re: Help Overclocking my cpu

    I would use Real Temp to check the VID of your CPU. What voltages you use depends on this.

    Again you will need to check what memory dividers you are using. If you end up overclocking the RAM and it cannot handle it the system will crash!


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    Re: Help Overclocking my cpu

    Quote Originally Posted by madmancm View Post
    so im kinda stumped as i cant find anything else around saying anyfin on this happening, just places saying keep trying diff ones, but from what iv read i would of expected one of them to work by now even if it was unstable
    Quote Originally Posted by madmancm View Post
    iv got sum crapy ram
    qed.

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    Re: Help Overclocking my cpu

    Hi Callum
    ~'Armaments, universal debt, and planned obsolescence--those are the three pillars of Western prosperity'~ Aldous Huxley




  7. #7
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    • MadmanCM's system
      • Motherboard:
      • XFX nForce 750i
      • CPU:
      • Q6600 @ 2.4GHz
      • Memory:
      • 3GB
      • Storage:
      • 750GB 7200rpm
      • Graphics card(s):
      • XFX GTX 295
      • PSU:
      • 700w
      • Operating System:
      • Windows 7 Ultimate (64bit)
      • Monitor(s):
      • 19"

    Re: Help Overclocking my cpu

    Ok so i have got real temp and it say the min VID is = 1.1625 And the mas is = 1.3250, but i couldnt find this in the BIOS, maybe iv just missed it some how it should be ther someware im guesing? its late now so ill have to have a look at the DRAM:FBS ratio tomorrow and see if that fixes it, thanks for you help so far CAT-THE-FIFTH

    And kalniel id appreciate it if you atualy helped instead of just trying to insult me, im new to overclocking and i know my RAM will have an effect on OC'ing but i would expect it to atleast start to boot up on 2.6ghz as its less than 100mhz fbs increase, but now i have also tried it on just 1111mhz fbs (2.5ghz) and still the same has happended

    oh an Hi eachann

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