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E5200 & asus P5KPL-AM/PS...... overclocking issues....

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December 24, 2009 1:13:26 PM

Hi,
i gotta nice e5200 today...... but it wont overclock..... posting cpu-z screens.... i m a newbie to oc so go easy.....
the bios has VERY limited options on oc'ing.... so my abilities are hindered....
dunno the ram stats.... pls check from the screens...
i already did 3.32 ghz stable..... i wanna hit the max possible with the hardware i have....


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thanks in advance.....
a c 197 K Overclocking
a b Ĉ ASUS
December 24, 2009 9:34:43 PM

You are overclocking your RAM. That is limiting your CPU overclock.

I am not familiar with the Asus BIOS, but somewhere in there is some kind of memory setting. Experiment until you find something that gives you a memory clock setting of twice the FSB. At that point CPU-Z should indicate a memory clock of FSB X 2 or 530 MHz (CPU-Z memory frequency of 265 MHz.) and an FSB:memclock ratio of 1:1.

We discuss overclocking RAM - or more accurately, why not - here:
http://www.tomshardware.com/forum/251715-29-ratio-myth

Then continue to work the FSB upward, increasing the CPU core voltage if you need to. Keep the core voltage under Intel's recommended max of 1.3625 volts and keep load temps below 70 C.
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Overclocking since 1978 - Z80 (TRS-80) from 1.77 MHz to 2.01 MHz
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a b K Overclocking
December 25, 2009 5:08:29 AM

You're already pretty much hitting the max with the hardware you have. You can try 12 X 300 for 3.6 Ghz and bump your vcore to 1.35 but I'm not sure if your CPU can handle that. Like I said, your budget motherboard might be at its overclocking limits. If you can try and P45 mobo, you might be able to push your e5200 a little higher.
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December 25, 2009 7:41:33 AM

look i got to 3.76..... it even booted into windows.... but cudnt handle intelburntest for a minute....... Vcore right now is 1.4..... and i am running stable at 3.61.....


i think the reason why i wasnt able to overclock more was because of the bios's inability to correctly calculate and assign values to the fsb and the multiplier....
what i did was set the fsb to 200 and multiplier to 6... the minimal possible.... then i kept cranking the fsb till i reached 300<i dunno why it doesnt go up after that>
then increased the multiplier to 12...
12.5 gave me 3.71 but was a bit unstable.....
i will lower the voltage soon....
but pls tell me y the fsb cannot increase <after 300>??
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a b K Overclocking
December 25, 2009 8:24:42 AM

arjun_jamil1 said:
look i got to 3.76..... it even booted into windows.... but cudnt handle intelburntest for a minute....... Vcore right now is 1.4..... and i am running stable at 3.61.....


i think the reason why i wasnt able to overclock more was because of the bios's inability to correctly calculate and assign values to the fsb and the multiplier....
what i did was set the fsb to 200 and multiplier to 6... the minimal possible.... then i kept cranking the fsb till i reached 300<i dunno why it doesnt go up after that>
then increased the multiplier to 12...
12.5 gave me 3.71 but was a bit unstable.....
i will lower the voltage soon....
but pls tell me y the fsb cannot increase <after 300>??


It's called "The Wall" as in front side bus speed wall. Every good overclocker will find "The Wall" for their particular hardware configuration. They're (the walls) also not exactly the same for even seemingly identical hardware. Buy two P45 mobos, same model and brand, and try to overclock the same e8400 CPU on it and you'll find one that hits The Wall at 480 and on at 500. Both my P5Q SE PLUS and P5N-D mobos can run the e8400 on a 2000 Mhz fsb which is an increase of 50% from 1333 which is also your wall. Your stock e5200 runs at 800 and you hit the wall at 1200.
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December 25, 2009 8:57:36 AM

okay...
what about the ram?? i think that is limiting the fsb..... coz right now the dram is at 667..... at 800 the bios POSTs..... that means the ram has hit the oc 'wall'.... right?
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December 25, 2009 8:58:58 AM

wat about the voltage?? is 1.424 VERY dangerous??
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a b K Overclocking
December 25, 2009 9:08:45 AM

arjun_jamil1 said:
wat about the voltage?? is 1.424 VERY dangerous??


1.42 is too high. I hope your CPU is still under warranty. When you overclock to the limits, there's always a risk you could fry both your mobo and CPU.
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December 25, 2009 4:02:18 PM

When you overclock, yor warranty is void unless you got your chip from like a xfx branded intel cpu or something lol
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December 25, 2009 5:47:08 PM


okay...
what about the ram?? i think that is limiting the fsb..... coz right now the dram is at 667..... at 800 the bios POSTs..... that means the ram has hit the oc 'wall'.... right?

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a b K Overclocking
December 25, 2009 6:06:57 PM

ubernoobie said:
When you overclock, yor warranty is void unless you got your chip from like a xfx branded intel cpu or something lol


Unless your chip explodes or has obvious signs of abuse, it's still under warranty provided the time period has not expired, lol.

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a b K Overclocking
December 25, 2009 6:07:59 PM

arjun_jamil1 said:
okay...
what about the ram?? i think that is limiting the fsb..... coz right now the dram is at 667..... at 800 the bios POSTs..... that means the ram has hit the oc 'wall'.... right?


What is the RAM specs?
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December 26, 2009 8:18:24 PM

umm.......... update....
3.41 @ vcore=1.384 is the max i hit............. solid stable.... pls help achieve more...
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a b K Overclocking
December 27, 2009 4:21:10 AM

Your RAM is rated only for 333. Mhz. There's no guarantee it can be overclocked to 400 (or 800 double pumped) and remain stable.
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