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Thread: AMD Athlon 64 x2

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    Default AMD Athlon 64 x2

    So , I have this AMD Athlon 64x2 4200+ (Windsor) CPU running at 2.21 GHz.
    From what I've understood to overclock it I need to increase the FSB.
    Now I have 2 questions.

    1. How much do I have to alter the voltage?

    2. At what temp of the core do I need to start worrying / stop overclocking? (ATM during the summer in a ~27 deg room the core is at ~31/34 deg Centigrade after 9 hours of usage.)

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    Default

    31/34C is quite good, generally if you get to about 50C, id begin to worry then. However, I am not too sure about the voltages.

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    Default

    use no additional voltage and up the FSB a little (say 20mhz) and then test it with prime95. If it passes even 5 minutes of prime, go back into the bios and add 10mhz at a time doing the same prime 95 test as you go.

    If at some stage it fails prime, then increase the vcore a little and repeat the prime test. When you feel you've hit a sweet spot, test it four an hour with prime95.

    Keep an eye on your memory speed as you up the fsb as it will raise, too. The best thing to do before you do the above is to lower the cpu multi down as you raise the fsb, keeping the cpu close to 2.2GHz. This means as you raise the FSB, the CPU is no longer a factor to a failing prime95 run. Its basically a way to test how far your memory will go. You can add more mem voltage as you go as well.

    You can also use a divisor to keep the memory speed controlled. There are posts in the AMD section that explain this if i remember.

    I recommend you get cpu-z to keep an eye on the overclock settings, it will tell you how high everything is, like memory speed etc, which is always good as it's sometimes hard to work out until you actually just see it in cpu-z

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