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Amd athlon 64 x2 5200+ (help oc)

post #1 of 20
Thread Starter 
Hey guys, new to the forum. I've been looking around and it seems there have been some mixed signals about OC'ing this processor. Some have got it to 3200mhz with proper cooling and others 2800. So I'd figure I'd get some experienced help.

First time OC, and I just wanted to kinda test the waters even if I barely OC.

Bios reads:

CPU frequency = 200 Mhz
Processor Max frequency = x13.5 2700

Max voltage 1.4
with multiplier voltage set to auto

IDLE temps:

MB: 42 C
CPU: 43 C

Idle voltage:
reading 1.328 in bios
1.33-1.36 from everest o_O

I have the stock heatsink/fan. It runs at 2700 rpm and its always maxed...

CPU recommended max temps from AMD= 55-68C

Specs:

Mobo: A790GMH/128M
Real clock=200mhz
(This is cause of my processor right?)
CPU: AMD Athlon 64 x2 Dual core processor 5200+
RAM: DUAL DDR2 SD ram
Real clock: 388mhz
post #2 of 20
You should be okay with the stock heatsink for now, unless you get to a heat wall and decide you want to continue overclocking further.

Take the voltage off of auto and set it to the stock vcore and northbridge voltages. Then, raise your Bus speed to cause a 100MHz overclock on the processor, get Prime95, and run a 15 minute test. Use HWMonitor to keep temps in check which you'll want below 60C.

If it stays stable, up the Bus to give a further 100MHz overclock on the processor and rinse and repeat. smile.gif Eventually your northbridge and memory will become unstable or you will hit a heat barrier and when that happens you can give us settings and we can further tweak for you.

Find the stock voltages for your northbridge and processor, set them, and put the Bus speed to 208MHz for a 2800MHz processor.. Save and boot out of the Bios, test with Prime95, then raise the Bus speed in the BIOS to 215MHz for a 2900MHz processor, rinse and repeat. tongue.gif

Eventually you will become unstable. Stock voltages on the processor is 1.35v I believe but I had trouble finding stock northbridge voltages, you will have to look up your individual motherboard and find that hopefully. I think it is 1.2v but I am not 100% sure about that and hopefully someone else here can verify that... I am not sure if the 7xx northbridges run the same voltages as the current 8xx series.

Your idle temps do seem a bit high and that's running at stock.. Keep a close eye on temps when you are stress testing and immediately STOP if they hit 60C... If that happens you will need to purchase a new heatsink for sufficient cooling.
Edited by Talon95 - 5/19/11 at 6:15pm
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post #3 of 20
Thread Starter 
for CPU: Voltages 1.325/1.35/1.375V

http://media.bestofmicro.com/T/U/152706/original/overclock.jpg
Shows the AMD 790GX North bridge at 1.3 V
... That's the best I can find. Apparently my north bridge allows super easy overclocking ability. But since I'm new I don't understand all of it.

I dont know if I'm allowed to post from other forums but this talks about the north bridge. THere's even a video on youtube saying my north bridge makes it "super easy"
I noob.
http://www.tomshardware.com/reviews/amd-integrated-790gx,1988-13.html

I'll delete that link if its not allowed
post #4 of 20
Is the cpu a Windsor? Cpu-z will tell you.

I had a 5200 Windsor and couldn't get it past 3ghz for the life of me.

From what i remember the 5000 Brisbane core was a lot better for overclocking, unfortunately i never got my hands on one. I just bought a 6000 to save the bother.
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post #5 of 20
Quote:
Originally Posted by Noky;13567512 
Hey guys, new to the forum. I've been looking around and it seems there have been some mixed signals about OC'ing this processor. Some have got it to 3200mhz with proper cooling and others 2800. So I'd figure I'd get some experienced help.

First time OC, and I just wanted to kinda test the waters even if I barely OC.

Bios reads:

CPU frequency = 200 Mhz
Processor Max frequency = x13.5 2700

Max voltage 1.4
with multiplier voltage set to auto

IDLE temps:

MB: 42 C
CPU: 43 C

Idle voltage:
reading 1.328 in bios
1.33-1.36 from everest o_O

I have the stock heatsink/fan. It runs at 2700 rpm and its always maxed...

CPU recommended max temps from AMD= 55-68C

Specs:

Mobo: A790GMH/128M
Real clock=200mhz
(This is cause of my processor right?)
CPU: AMD Athlon 64 x2 Dual core processor 5200+
RAM: DUAL DDR2 SD ram
Real clock: 388mhz

I had my old 5000+ be at 3.0ghz from 2.6 anything higher wasent stable.

So u should get a bit higher then 3.0ghz id think.


yea mine was a brisbane great chip
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post #6 of 20
Thread Starter 
Codename Brisbane
post #7 of 20
Thread Starter 
So should I set the NB voltage to 1.3?
post #8 of 20
yes the brisbane chips were badass stock compared to the lowly windsor.
good luck on this
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post #9 of 20
Thread Starter 
Quote:
Originally Posted by Melcar;5667479 
1.250V is the default on mine.

I guess I'll go with what this guy says biggrin.gif
post #10 of 20
Try 1.25v NB, 1.35v Vcore, 208MHz Bus

Stress test with Prime95 for fifteen minutes to quickly check for stability and monitor temps to ensure they stay under 60C. If it's not stable, bump up the vcore a notch and try testing/notching until it becomes stable. tongue.gif

I also suggest setting a lower Bus/memory ratio, its usually 3:8 but changing it to 1:2 should help with stability for now, since we don't want the memory to get unstable while the processor is potentially unstable - its too many variables at once to handle. When we find the maximum overclock on the processor we can bring the Bus/Memory ratio back up and see what happens. smile.gif

Good luck!
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