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OverClocking AMD Athlon II X2 250 Processor

post #1 of 25
Thread Starter 
Hey guys , I need help overclocking my AMD Athlon II X2 250 Processor @ 3.0GHz to about 3.5GHz , I tried once to overclock it on my own , however the result was horrible with the PC wont even booting and after booting had so many problems that i have to re-install windows. I learned the hard way that nabs (like me) should stay away from overclocking , thats why i came here to ask for help from the pros , i got an image of the bios right here http://imageshack.us/f/820/01082011001.jpg/

IF someone would be kind enough to tell me what to put at each of these settings , i will be really thankful , Also the Board is a Gigabyte MA78GM-US2H. However i have updated the bios thats why the pic i posted looks different than default bios , Also if this matters in any way , My vid card is an ATI 4730.

Any Help appreciated and thanks in advance
Edited by Hitman47222 - 7/31/11 at 8:57pm
post #2 of 25
Hi. In my sig there is a beginner-friendly guide on overclocking AthlonIIs, read through it

Also, it seems that in order to access the reference clock, you need to set CPU Host Clock Control to Manual. From there everything is like in the guide
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post #3 of 25
Thread Starter 
Ah mate , i am sorry to be bugging you ... i would normally follow your tutorial and see if it works , but i am afraid i will follow it wrongly and bug the whole PC again .. For example in the bios pic i posted , where exactly are the NB multiplier and the ram multiplier? And also which option exactly is the CPU voltage? i know when u read these questions u probably laugh at how easy the stuff i am asking is , but as i said this is my first overclock and i dont know anything. Further help please?
post #4 of 25
Quote:
Originally Posted by Hitman47222 View Post
Ah mate , i am sorry to be bugging you ... i would normally follow your tutorial and see if it works , but i am afraid i will follow it wrongly and bug the whole PC again .. For example in the bios pic i posted , where exactly are the NB multiplier and the ram multiplier? And also which option exactly is the CPU voltage? i know when u read these questions u probably laugh at how easy the stuff i am asking is , but as i said this is my first overclock and i dont know anything. Further help please?
I'm not laugning, I was on the exact same spot as you, few years back No worries.

In the pic you posted, NorthBridgeFreq is some sort of NB multi, SetMemoryClock is the DDR setting and CPU voltage control is the CPU vCore.
Be careful not to increase the Southbridge voltage, those are sensitive and might burn even from the slightest raise.

In BIOS, some times you need to experiment, because the same settings are named differently across BIOSes. Generally, if you have several options (like x4, x5, x6; or 1600, 1800, 2000), those are multipliers. One shows the multiplier itself, the other shows the final result.

My BIOS for an example, shows the multiplier on the settings
-CPU multi
-NB multi
and shows the calculated freq on the settings
-DDR freq
-HT freq

But both of those are multipliers generally.

If you have a +1 margin increasable setting (200, 201, 202..), that is frequency (most probably - the ref clock).
And those translate to the terms in the guide.



Conclusion - sometimes you have to change the values from Auto, in order to see what that thing really is (or does).
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post #5 of 25
Thread Starter 
Ahh , Now i am starting to see what i did wrong last time , You see last time i set the clock ratio to 233 , while u cannot see in the pic i gave u but the memory clock option in the end is 800Mhz , just for trying i put 233 in clock ratio and that resulted in 932 or something MHz , and since i did not change the ram nor the NB multiplier and raised the voltage ALOT , that probably resulted in the problem i had when i could not even boot.

So , to put 233 without resulting in problems , i reduced the multiplier from 4.00 to 3.33 which resulted in 790 or so MHz , thats fine right? but here is the question , The NB multiplier , since i am raising from 200 to 233 , should i put the multiplier on 9x or 8x?
post #6 of 25
I got my 250 to 3.75ghz but with high vcore on air, it was stable and all but i lowered vcore and run at 3.6ghz. I had a hyper 212+ and prime temps where 31c max
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post #7 of 25
Quote:
Originally Posted by Hitman47222 View Post
Ahh , Now i am starting to see what i did wrong last time , You see last time i set the clock ratio to 233 , while u cannot see in the pic i gave u but the memory clock option in the end is 800Mhz , just for trying i put 233 in clock ratio and that resulted in 932 or something MHz , and since i did not change the ram nor the NB multiplier and raised the voltage ALOT , that probably resulted in the problem i had when i could not even boot.

So , to put 233 without resulting in problems , i reduced the multiplier from 4.00 to 3.33 which resulted in 790 or so MHz , thats fine right? but here is the question , The NB multiplier , since i am raising from 200 to 233 , should i put the multiplier on 9x or 8x?
Yes, drop it for stability, and afterwards you can experiment with raising it a bit. High CPU/NB freq won't help you very much in a DDR2 system, I believe, so no problem in lowering it a bit.

Quote:
Originally Posted by hyp3rtraxx View Post
I got my 250 to 3.75ghz but with high vcore on air, it was stable and all but i lowered vcore and run at 3.6ghz. I had a hyper 212+ and prime temps where 31c max
I had about the same results with 260. Reached 3.8 @1.5v with terrible temps, had to go with 3.7 @1.45v
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post #8 of 25
Thread Starter 
Also with the settings i have mentioned before , do you think i need to increase the voltage? i dont know why but increasing voltage scares me lol , whenever i just set voltage to manual it keeps flashing in red lights VOLTAGE IS NOT OPTIMIZED. ( Sorry for asking alot however after i get the answer for this question i think i am gonna try it)

-EDIT well i am gonna try with normal voltage first , if i face any problems... i will raise it a bit, i will reply back with results if i actually manage to boot and unlike last time fall into failed boots with beeping sounds.
Edited by Hitman47222 - 8/1/11 at 7:44am
post #9 of 25
Thread Starter 
Ok , Well i tried without raising the voltage and when i booted , i got 2 long beeps then the PC booted , however it said "Warning System is now in safe-mode please reset the CMOS frequency"

While there was an option to continue , i was scared and just went back into the bios and reseted everything to normal , So what i am asking now is :

1) Is the warning message and 2 beeps normal when i overclock? or it should not happen?

2) If it should not happen could raising the voltage fix this? and if it can then raise it to how much?

Thanks for further help.
post #10 of 25
Thread Starter 
OK, Well when i changed the clock ratio and the Ram multiplier only without changing the NB multiplier , PC booted normally and i did not get the warning message , Does that mean i am overclocked? i have a feeling i am not somehow..
Here is a CPU-Z screenshot from my PC after overclocking , i have overclocked to 210 , gonna try 233 now and post another pic that..

Pic of 210 :
http://imageshack.us/f/577/cpuk.jpg/

Pic of 233:
Coming soon

Hmm, In CPU-z , the multiplier keeps going from x4.0 to x15.0 ... is that normal? when its x15.0 i think i get the correct speed from 210 which is 3150Mhz but it instantly goes down to x4.0 again , could that be because i am not running anything at that point? meaning when i run something that demands more power it will go higher? should i make the multiplier in bios lock at 15 rather than Auto? or is that wrong? Help Pleaese
Edited by Hitman47222 - 8/1/11 at 8:30am
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