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Bios Overclock setting for Phenom ii 555?

post #1 of 4
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Just built my first cpu. Looking for some suggestions on reliable bios settings to overclock my Phenom ii x2 555 black edition. I am using an ASUS m4a78t-e motherboard. It seems to have some great overclocking features. Looking to increase from the factory 3.2 ghz to around 3.5 or 3.6. Thanks and yes, i am a noob.
post #2 of 4
You can easily hit that by just upping your multiplier, since you're new at least. Once you get more comfortable with overclocking you can use the FSB to overclock your other settings.

Edit: Welcome to OCN BTW smile.gif
Edited by Kratthew D. Kraids - 2/17/11 at 7:03pm
    
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post #3 of 4
I personally would just use the bios and up your multiplier. At 3.5GHz you should not have to mess with your voltages. If you are using the stock heat sink you may want to invest into an aftermarket one eventually especially if you plan to go higher in the future. Another thing that you could try doing (if you have not already) is to try and unlock the two dormant cores. It worked out for me but it seems to be a 50/50 success rate.
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post #4 of 4
You maybe lucky to get a chip like mine that can hit 4ghz on stock volts but before you even start to overclock you should get an aftermarket cooler....it goes a long way....

To overclock that chip just increase the cpu-multiplier to 20x and see if you can get to 4ghz on stock voltage...if you crash back down the multiplier by 1 to 19x and see if you boot into windows...keep doing this until it boots, when u get the overclock into windows thats just the beginning, now to test the stability of the overclock.

Get a temperature monitoring program like core temp or HWmonitor and run the stress test program called Prime95, set the test to "blend" and keep an eye on the CORE TEMP of the cpu.

Once prime 95 runs for about 1-2hrs you can be 75% confident that it is a stable overclock, but use that mark if you only do gaming or regular work on the system, if you do things like 3d rendering and folding you will want to go for a 8hr prime 95 test or ideally 24hrs to really make sure nothing is wrong with the overclock.

Remember keep an eye on the temps make sure they don't pass 70c for that chip...other amd chips are 62c, this 555 chip has a bit higher threshold. Don't mess with voltages and stuff for know..get a stable overclock at stock voltages for now...as you learn you can improve you overclock.
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