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Athlon 640 II x4 overclock to 3.6GHz - Page 3

post #21 of 46
Quote:
Originally Posted by Team omga View Post
I'm using an ASUS m4A79XTD atm, my old arsrock broke as did my msi and ECS, lol, I never oced on the msi or ecs, the arsrock one sucked anyway.

Ok, so should I bump voltage up, I am gonna be stable @ 1.4V 3.7GHz?
Yeah, try 3.7GHz at 1.4v
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post #22 of 46
Thread Starter 
Quote:
Originally Posted by harmor View Post
Yeah, try 3.7GHz at 1.4v
K, I'm gonna go into bios and do it now but what should I do ram multi as, 4. ? ?

http://www.thepclounge.co.uk/product...CC_CL7_KIT.htm

this is my ram I think, pretty sure it is. value ram.
    
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post #23 of 46
Leave ram to auto at the mo and try oc'ing 1st and then move onto the ram.

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post #24 of 46
Also what's Yr cpu/nb voltage set at?

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post #25 of 46
Thread Starter 
Quote:
Originally Posted by blakmumba View Post
Leave ram to auto at the mo and try oc'ing 1st and then move onto the ram.

Sent of my iPhone
K. . .

well this is piratically what I did before and prime 95 made my pc restart. Should I leave its speed at auto too? Last time I downclocked it's speed to 1316MHz I think to get it around it's orignal of 667.7 because on auto it goes up to 700 or so? Is this bad?
    
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post #26 of 46
Thread Starter 
Quote:
Originally Posted by blakmumba View Post
Also what's Yr cpu/nb voltage set at?

Sent of my iPhone
Going to do 1.4v for cpu and stock voltage/ auto for north bridge. . .
    
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post #27 of 46
CPU 1.5v
CPU/NB or VDDNB 1.4v
HTT 1.3v
RAM 1.6v

RAM set at 400 or 1:2 divider
NB at 2600MHz
HTT at 2000MHz
CPU at 36000 MHZ
you board also has LLC-which adjust the CPUv-set it to around 33% if you can
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post #28 of 46
With the FSB at 250mhz, your memory, NB and HT speeds will easily downclock to defaults. The ram timings should also be manually set.

I've been running this 24-7 (Vcore = 1.325v, ram = 1.5v) for almost 6 months now.

Does your cpu unlock ?
post #29 of 46
This should help you...
The first thing I did was lower my memory multiplier to 6.66 and drop it to 1333Mhz speeds. Next, I raised my HT ref. clock to 240 from the default 200. This brought my memory speeds back to 1600MHz and set my CPU to 3.6GHz. Upon booting into Windows everything worked well, initially. However, once I started benchmarks to test stability, I started getting the dreaded BSOD within Windows. I increased the voltage from 1.3V to 1.35V and the system remained stable. 600MHz starting out and the system was stable. That is a 20% increase with only a few setting changes. Trying to go any higher at these settings was futile. The evil BSODs returned. I still wanted to persist further to see how far I could push the CPU.

The next thing I did was increase the voltage from 1.35V to 1.4V. This allowed me to push the HT ref. clock (FSB) to 250. The CPU ended up being set to 3.75GHz and the memory speed 1665 MHz. That was the highest I was able to achieve while still keeping good memory speed and the system stable. In order to push the CPU more, my DRAM multiplier had to be lowered further, as the memory couldn't hack it. Tried adjusting memory voltages but to no avail. The CPU voltage also had to be increased to 1.45V. I did test this and was able to get the CPU to 3.8GHz.
    
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post #30 of 46
Adjust the above with Yr memory (same processor was used)
    
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