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Thread: C2D Overclocking Guide for Beginners

  1. #545
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    • [Grevane]'s system
      • Motherboard:
      • P5B Premium Vista Edition
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      • Core 2 Duo E6600
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      • 2Gb OCZ DDR2 Flex XLC
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    Quote Originally Posted by Clunk View Post
    Could you put your system specs in your "my system" bit in your profile, it just saves me going back through the pages to see what is what

    If the windows memtest is locking up, then you almost certainly have ram problems. It may just be not enough voltage, or you could have a dead or dying stick.

    Did you email OCZ and ask them? They often give a guarantee that their ram will be ok up to a certain voltage (evp i think they call it), which is usually above what they are rated at, but it depends on the chips used.
    Checked his RAM already, I posted the EVP Specs in my post above. He can get 2.3v out of that RAM and stay in warranty.

  2. #546
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    Cheers for your replies. I've added my spec to my profile now.

    Quote Originally Posted by Clunk View Post
    And did you do these?

    Yup done those.

    Yeah the RAM is guaranteed up to 2.2v but I haven't got any active cooling on it; although I've got a lot of case cooling. I wasn't sure if it was wise to up the voltage too much without some sort of active RAM cooling? I've also read a couple of reviews on my sticks that mention they overclocked them to 800MHz without upping the voltage so that made me a bit wary as well.

    I have the system stable at 2.8GHz now with quite tight RAM timings of 4-4-4-12 and it ran memtest for a few hours and orthos overnight no problems.
    Last edited by GravitySmacked; 21-06-2007 at 10:51 AM.

  3. #547
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    All you need is an 80mm/92mm fan.

    If you havent got anywhere to mount it, get some insulation tape and make a hook, and hook it onto the ram at the top

    So, are you running 2.2v now to get it stable?
    Quote Originally Posted by Blitzen View Post
    stupid betond belief.
    You owe it to yourself to click here really.

  4. #548
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    • [Grevane]'s system
      • Motherboard:
      • P5B Premium Vista Edition
      • CPU:
      • Core 2 Duo E6600
      • Memory:
      • 2Gb OCZ DDR2 Flex XLC
      • Storage:
      • 1x 250Gb Seagate Barracuda 7200.10
      • Graphics card(s):
      • XFX GF8800GTS XXX Edition
      • PSU:
      • OCZ GameXStream 700W
      • Case:
      • Thermaltake Armour LCS
      • Monitor(s):
      • Mitsubishi Diamond Pro 930SB
      • Internet:
      • NTL Cable (Urghh, nuff said!)
    This might be useful for your cooling your RAM...
    http://www.coolitsystems.com/index.p...sk=view&id=140
    And this might be useful if anything else needs cooling...
    http://www.coolitsystems.com/index.p...ask=view&id=84

    I've really gotta get myself one of the items on the 2nd link...

    Oh and there's a review of it here...
    http://www.bjorn3d.com/read.php?cID=1068&pageID=3199
    Last edited by [Grevane]; 21-06-2007 at 12:27 PM. Reason: additional info

  5. #549
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    Cheers for the links Grevane, I will definitely look at some sort of active cooling!

    I'm running the RAM at 1.95v and it's stable at 700MHz (CPU 2.8). I'll get some cooling then try upping the voltage and try overclocking it further

  6. #550
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    I dont understand...why is it stable now?, you had the ram at 1.95 earlier, and it wasnt stable, whats changed?
    Quote Originally Posted by Blitzen View Post
    stupid betond belief.
    You owe it to yourself to click here really.

  7. #551
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    • [Grevane]'s system
      • Motherboard:
      • P5B Premium Vista Edition
      • CPU:
      • Core 2 Duo E6600
      • Memory:
      • 2Gb OCZ DDR2 Flex XLC
      • Storage:
      • 1x 250Gb Seagate Barracuda 7200.10
      • Graphics card(s):
      • XFX GF8800GTS XXX Edition
      • PSU:
      • OCZ GameXStream 700W
      • Case:
      • Thermaltake Armour LCS
      • Monitor(s):
      • Mitsubishi Diamond Pro 930SB
      • Internet:
      • NTL Cable (Urghh, nuff said!)
    Quote Originally Posted by Clunk View Post
    I dont understand...why is it stable now?, you had the ram at 1.95 earlier, and it wasnt stable, whats changed?
    Mmmm yeah agreed, for interests sake and as a little update... maybe post your current BIOS settings again... my memory... isn't what it was 'when I were a wee lad'... ooh err... where did i put my teeth... mumble mumble... ouch, who left that pension book there...

  8. #552
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    It wasn't stable when I was trying to run it at 3.0Ghz at 2.8GHz it's fine

  9. #553
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    Quote Originally Posted by guru View Post
    I was experiencing some software errors when running it at 2.8GHz, the odd program would crash. What would I need to change to try and sort this, would it be RAM timings, upping voltages etc?

    In the end I lowered it to 2.68GHz and ran Orthos successfully overnight.
    So, that ^^^^^, was before you did this?.....>

    Quote Originally Posted by Clunk View Post
    Disable the Vanderpool technology.

    You need to set the PCI clock synchronisation to 33.3 <----this is probably the cause of your problems.
    Quote Originally Posted by Blitzen View Post
    stupid betond belief.
    You owe it to yourself to click here really.

  10. #554
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    • tinners's system
      • Motherboard:
      • Intel P35 Shuttle
      • CPU:
      • Intel Q6700 @ 3.2 GHz
      • Memory:
      • OCZ - 2Gb + Corsair TwinX 2Gb
      • Storage:
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      • Graphics card(s):
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      • PSU:
      • Shuttle PSU
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    Quick question.

    Am running my memory on 1:1 with a 374 FSB so is running at 748Mhz but at 4-4-4-12.

    As it is DDR2-800 will I get any noticeable performance increase setting it back to auto ? This will reset it to 5-5-5-15 SPD though but I guess it will then run at 800Mhz.

    Which is better, lower timings or higher clock ?

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    Quote Originally Posted by Clunk View Post
    So, that ^^^^^, was before you did this?.....>
    Yes that was before so disabling those 2 settings helped to get it stable at 2.8GHz.

    Here's the updated BIOS screens at 2.8GHz [stable]

    http://www.guru4u.co.uk/images/b1.JPG

    http://www.guru4u.co.uk/images/b2.JPG

    http://www.guru4u.co.uk/images/b3.JPG

    I'm confusing myself now, but looking at the screenshot I'm running the RAM at 1.90v and it was stable overnight / CPU at 2.8GHz.
    Last edited by GravitySmacked; 21-06-2007 at 01:25 PM.

  12. #556
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    Quote Originally Posted by tinners View Post
    Quick question.

    Am running my memory on 1:1 with a 374 FSB so is running at 748Mhz but at 4-4-4-12.

    As it is DDR2-800 will I get any noticeable performance increase setting it back to auto ? This will reset it to 5-5-5-15 SPD though but I guess it will then run at 800Mhz.

    Which is better, lower timings or higher clock ?
    On AUTO, it will probably set your RAM to 800Mhz to start with, when your CPU is at 266.

    As you increase the FSB, the RAM will automatically rise as well, so you will soon be running it out of spec, and it probably wont work too well.

    In this case, you can use a divider (see part 2 of the guide). Remember, not all dividers are stable, so you may not be able to get *exactly* 800mhz, but on the other hand, you might be able to get a bit higher, and still keep your overclock and ticht timings...depends on your particular ram. Read the part 2, it should help you
    Quote Originally Posted by Blitzen View Post
    stupid betond belief.
    You owe it to yourself to click here really.

  13. #557
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    • tinners's system
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      • Intel Q6700 @ 3.2 GHz
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      • OCZ - 2Gb + Corsair TwinX 2Gb
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      • Raptor X 150Gb + 2TB Tranquil Windows Home Server
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    damn was looking for a dead easy answer lol
    will get reading.....

    Quote Originally Posted by Clunk View Post
    On AUTO, it will probably set your RAM to 800Mhz to start with, when your CPU is at 266.
    As you increase the FSB, the RAM will automatically rise as well, so you will soon be running it out of spec, and it probably wont work too well.
    In this case, you can use a divider (see part 2 of the guide). Remember, not all dividers are stable, so you may not be able to get *exactly* 800mhz, but on the other hand, you might be able to get a bit higher, and still keep your overclock and ticht timings...depends on your particular ram. Read the part 2, it should help you

  14. #558
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    Quote Originally Posted by guru View Post
    Yes that was before so disabling those 2 settings helped to get it stable at 2.8GHz.

    Here's the updated BIOS screens at 2.8GHz [stable]

    http://www.guru4u.co.uk/images/b1.JPG

    http://www.guru4u.co.uk/images/b2.JPG

    http://www.guru4u.co.uk/images/b3.JPG

    I'm confusing myself now, but looking at the screenshot I'm running the RAM at 1.90v and it was stable overnight / CPU at 2.8GHz.
    OK,

    Why have you got your PCI-E frequency at 110? There is absolutely no need for that, 100 is fine.

    Put your CPU voltage to AUTO for now.

    You have your ram running at 4-5-5-12. As you will be trying to run it out of spec, put it to 5-5-5-15 or 5-5-5-18.

    All of this is outlined in the first part of the guide, by changing random settings, you are just making it difficult for yourself. (and me )

    You need to have another read.
    Quote Originally Posted by Blitzen View Post
    stupid betond belief.
    You owe it to yourself to click here really.

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  16. #559
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    Cheers Clunk I'll change the settings as suggested and read through the guide again

  17. #560
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    • [Grevane]'s system
      • Motherboard:
      • P5B Premium Vista Edition
      • CPU:
      • Core 2 Duo E6600
      • Memory:
      • 2Gb OCZ DDR2 Flex XLC
      • Storage:
      • 1x 250Gb Seagate Barracuda 7200.10
      • Graphics card(s):
      • XFX GF8800GTS XXX Edition
      • PSU:
      • OCZ GameXStream 700W
      • Case:
      • Thermaltake Armour LCS
      • Monitor(s):
      • Mitsubishi Diamond Pro 930SB
      • Internet:
      • NTL Cable (Urghh, nuff said!)
    Thoroughly interesting thread to read. Can't wait to see the end outcome of all this...

    If only the "Matrix" was real...

    "I'm trying to free your mind, Neo...but I can only show you the door.
    You're the one that has to walk through it....Tank, load the 'Clunk' program."

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