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Wanting to Overclock Phenom AMD x4 9750

post #1 of 34
Thread Starter 
Hello guys,

First of all, I think it would be good if you all knew that I'm pretty new to the oc business, so please be patient. For a long time I have been reading articles on how to oc my cpu. Many say it cannot be done because it is not ''Black Edition CPU'' however others have done it and say it is possible. And this is what brings me here.

I have been trying to mess around with the Multiplier, when I had it to x16, my system said I have my CPU @ 3.6 GHz, but other programs have told me it is still @ 2.4 GHz. So now I am quite confused... I have brought the setting right down to default, thinking that one of you guys could help me out. Before I can get any help I guess it would be a good idea to let you know what I have:

NVIDIA GeForce 8800 GT
Good Ram (1Gb, PC2-6400) 400 MHz - x3 (3GB)
AMD Phenom X4 9750 ( With CoolerMaster V8)
Motherboard Asus M3A (green edition)

So guys this is it, (I know my system is now the best, but it does it's job.) Just so you know my target is to reach about 2.9 GHz, if you guys say it is possible and give me some instructions I might be able to make it.

Thanks for help
Lucas.
post #2 of 34
You'll need to lower your memory speed, and raise the HTT (reference clock, or FSB). Stress test, rinse, and repeat.

Since you don't have a BE chip, you can't adjust the multiplier higher than stock 13x. So you have no choice but to raise the HTT (which isn't a bad thing). Keep in mind though, when you raise the HTT, your HT Link, NB, and RAM clocks all come up with it. So keep an eye on those.

You will also need to add more voltage as necessary.

Being an original Phenom chip, you might not break over 2.7-2.9GHz. Or you could get lucky and get it to 3.2GHz ish. It just depends on how lucky your chip is. But most couldn't break 2.8 too easy.
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post #3 of 34
The old Phenom processors are absoloute bags of crap when overclocking, and i wont lie, even 2.9ghz seems a bit optimistic. Heck, its a struggle to get some 9950BE's to 3ghz, heck ive got one here that will only just do it with alot of fiddling.

Anyway, As your cpu is a non black edition i would be very suprised if you could actually change the CPU ratio, especially on that board. The only way to overclock non black edition processors is through the FSB. Overclocking the FSB however, also overclocks your entire system, so it can be quite difficult to get everything stable. As you up the FSB, your ram frequency increases, as does your NB/SB, so voltage bumps may be required there.

To start, just keep upping the FSB in relatively large jumps, say 10mhz a time. when your system becomes unstable, you have to start trying to find out what is unstable, and why, and that i cant help you with!

One problem you may have is your ram, having that odd stick in there may cause some problems. You might be better using just 2 sticks in dual channel.
     
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post #4 of 34
Thread Starter 
Thanks for the quick reply. One more question that I have is: How far should I go with the HTT? Obviously I dont want to fry my machine, and thats because I dont have the money to buy a new one right away.

Is there any ''instruction'' on how to increase the CPU voltage, I mean if i increase the HTT, does that mean that my voltage will jump up from 1.312 V (which i have at the moment) to 1.35?
post #5 of 34
Quote:
Originally Posted by foa525;13369212 
Thanks for the quick reply. One more question that I have is: How far should I go with the HTT? Obviously I dont want to fry my machine, and thats because I dont have the money to buy a new one right away.

Is there any ''instruction'' on how to increase the CPU voltage, I mean if i increase the HTT, does that mean that my voltage will jump up from 1.312 V (which i have at the moment) to 1.35?

You'll want to set your voltage manually. Use whatever it takes to get it stable. You have a 65nm quad, you're fine up to ~1.60v assuming you can keep it cool (under 60-65*C for that chip).

And there's really no instructions. It's all going to be trial and error. Lower RAM, increase HTT (ref. clock / FSB / whatever its called), increase volts as needed. If your HT Link and NB get too high, lower them down as well.
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post #6 of 34
Thread Starter 
Quote:
Originally Posted by Evil262;13369210 
The old Phenom processors are absoloute bags of crap when overclocking, and i wont lie, even 2.9ghz seems a bit optimistic. Heck, its a struggle to get some 9950BE's to 3ghz, heck ive got one here that will only just do it with alot of fiddling.

Anyway, As your cpu is a non black edition i would be very suprised if you could actually change the CPU ratio, especially on that board. The only way to overclock non black edition processors is through the FSB. Overclocking the FSB however, also overclocks your entire system, so it can be quite difficult to get everything stable. As you up the FSB, your ram frequency increases, as does your NB/SB, so voltage bumps may be required there.

To start, just keep upping the FSB in relatively large jumps, say 10mhz a time. when your system becomes unstable, you have to start trying to find out what is unstable, and why, and that i cant help you with!

One problem you may have is your ram, having that odd stick in there may cause some problems. You might be better using just 2 sticks in dual channel.

The problem with FSB is that I cannot change it... I can only fiddle with few things, and i dont know why. I know that increasing FSB is the best way forward, but unfortunatley it does not work for me. So we have got to find out another solution to this whole thing.

By the way thanks for helping!
Love the support.
post #7 of 34
Thread Starter 
Ok, after a BIOS update I have managed to change my FSB ( thinking this is the main problem) from 200, I went to to 210 Which had given me 2.5GHz Quite happy. Do you think I should up the voltage of the CPU, and down the voltage of RAM?
post #8 of 34
you only need to up the CPU voltage when the cpu becomes unstable. to test that, download Intel burn test, and run at least 10 passes. if it passes the test, then its stable and you can keep the voltage as is, or go and increase your fsb more! if it fails, bump the voltage 1 notch and try again.
     
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post #9 of 34
Thread Starter 
Quote:
Originally Posted by Evil262;13369518 
you only need to up the CPU voltage when the cpu becomes unstable. to test that, download Intel burn test, and run at least 10 passes. if it passes the test, then its stable and you can keep the voltage as is, or go and increase your fsb more! if it fails, bump the voltage 1 notch and try again.

Downloading this program right now.. One more thing, to check my cpu temp I am using program called ''Core Temp'', is this one good or any suggestion on this one?
post #10 of 34
thats perfectly fine!
     
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