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Overclocking AMD Athlon 445

post #1 of 8
Thread Starter 
Hey guys, having a problem overclocking my cpu (amd athlon x3 445) any more than a small amount. I could only raise the base frequency from 200 to 210, and any more than that it wouldn't even POST, 220 was the limit even though I raised vcore significantly from 1.32 to 1.55 (just to test).

Also tried unlocking the last core, but found out my motherboard didn't support ACC, and its "core unlocker" which claims to do this just leaves me unable to POST. Not sure if its the fault of the motherboard or a bad core. Upping the vcore didn't help it to post either. Kind of gave up on unlocking though, and resorted to overclocking instead, thinking that it would work out well.

Suspect its the motherboard being poor at overclocking, but very possibly a mistake on my part somewhere. Not sure what other info is needed, hope it is mostly in my signature.
Edited by poring - 12/19/10 at 2:33am
    
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post #2 of 8
do you have the ram set to the recommended voltage? start out at stock settings, and work your way up incrementally until it wont start. then up your voltage a little and try again.
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post #3 of 8
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Quote:
Originally Posted by eloverton2 View Post
do you have the ram set to the recommended voltage? start out at stock settings, and work your way up incrementally until it wont start. then up your voltage a little and try again.
thanks for ur suggestion . mmm, my ram is at stock voltage of 1.5v, i only overvolted the ram a little though, like up to 1.55v, tried setting it to 533 as i increased the core clock but that didnt help. Increasing voltages only worked until the cpu was at 3.4 ghz instead of 3.1ghz stock. After that, upping voltages didn't seem to help it get past POST.

I guess i might have a bad chip? (or bad user D: ) not sure how everyone else hits at least 3.6 easily in forums/guides and can go to 3.8 and more.
    
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post #4 of 8
Quote:
Originally Posted by cclanso View Post
Don't overclock it will harm your computer.
3 of the 6 posts you have made have said the same thing. when done properly, overclocking is safe and a good way to get the most performance for your money and many users on this site will tell you likewise.
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post #5 of 8
el gappo has a good guide for general guidelines for an amd cpu. i found it quite helpful when i began overclocking. change all of the settings in your bios from auto and manually set them to stock settings, turning off anything you don't need.
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post #6 of 8
Thread Starter 
Quote:
Originally Posted by eloverton2 View Post
el gappo has a good guide for general guidelines for an amd cpu. i found it quite helpful when i began overclocking. change all of the settings in your bios from auto and manually set them to stock settings, turning off anything you don't need.
Hehe thanks again for your help , will try that guide out slowly. Main problem for me is my bios is missing some options used in these guides, blame the cheap motherboard
    
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post #7 of 8
The Asus M4N68T board is not a great overclocker. I could only get a 200 Mhz overclock on an Athlon II 250 using it. I got 600mhz on my existing board before I switched to my 635.
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post #8 of 8
Thread Starter 
Quote:
Originally Posted by Madclock View Post
The Asus M4N68T board is not a great overclocker. I could only get a 200 Mhz overclock on an Athlon II 250 using it. I got 600mhz on my existing board before I switched to my 635.
Yeap, guess i found that out too late haha, too many important settings were missing/board really unstable from overclocking. Guess the 200 mhz overclock is all I can get from it. Thanks everyone for the help though
    
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