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Overclockk Lenovo Desktop with e2140 - Page 2

post #11 of 16
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Quote:
Originally Posted by pioneerisloud View Post
Well first of all, running ClockGen or other software won't add any excess heat, because you can't adjust voltage. The voltage is what adds the extra heat.

Also, good luck getting it stable with one of those programs. If stock FSB is 200, you'll be LUCKY to be able to hit 220 stable. The reason why is because it also overclocks your PCI bus, PCIe bus, RAM, EVERYTHING. That's bad. Us overclockers will lock all of those other buses and limit our RAM down, to achieve a higher CPU speed.

Good luck, that's all I've got to say. I've personally managed it with ONE computer successfully (Celeron D 3.2GHz @ 4.5GHz). But it took DDR500 (@ DDR466, stock slots were 400), and NO PCI cards in the slots to achieve it, and all my onboard stuff disabled.

Even my sig rig, if I limit my RAM, lock my PCI and PCIe buses, Clockgen just freezes it up past 230MHz FSB.

Also, if you push it too far with Clockgen, be prepared for a permafried Operating System. I know, I've been there and done that.

My advice, leave it alone and consider it a lesson learned. Next time, build your computer. OEM's are NOT meant for overclocking. PERIOD.
Thanks for your advice...
The Computer was dirt cheap so im not really concerned about it. I can always buy a new MB in the future if i need it.
Thanks
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post #12 of 16
I can take my system to almost 600MHz FSB with ClockGen/SetFSB without problems. It's no more or less capable than the BIOs in this respect, at least for me.

Quote:
Originally Posted by pioneerisloud View Post
Well first of all, running ClockGen or other software won't add any excess heat, because you can't adjust voltage. The voltage is what adds the extra heat.
Clock speed alone can have a serious impact on heat as it determines how much current is pulled.
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post #13 of 16
Quote:
Originally Posted by dglkn View Post
Despite what legoman said, you can overclock an OEM computer.
You don't really need BIOS to overclock. There is a Windows-based program called ClockGen that people use to overclock their laptops. However, there's something about an ICS number that you'll need to get it working.
But I can't help but wonder - how do you plan on managing the excess heat?
Last time I checked, even Clockgen is blocked off. Something about PLLs being locked? Not sure, but I've never been able to use it on an OEM computer.
post #14 of 16
Quote:
Originally Posted by mfpreach View Post
I opened up the pc but i'm not really sure what i'm looking for, there are a lot of square chips on the board. Where should the silver cyristal occilators be and what do they look like.

Lastly but kind of number am I looking for?
The chips can be rectangular as well. Generally, if you have eliminated the on-board nics, audio, and legacy perhipheral support chips, the only thing remaining is the clock generator.

The locations are highly variable from board to board.

As for the number you are looking for, it should be one of the ones on the list of clock generators in SetFSB.

http://www13.plala.or.jp/setfsb/

This is where the components are on my board. However, on many other boards the clock generator chip will be rectangular and may be placed more towards the center left of the board, just an inch or two below the cpu socket and to the left. As I said, it's variable.

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post #15 of 16
Quote:
Originally Posted by The Hundred Gunner View Post
Last time I checked, even Clockgen is blocked off. Something about PLLs being locked? Not sure, but I've never been able to use it on an OEM computer.
This may be true for some OEM systems, but I doubt it's true for the majority.
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post #16 of 16
HI all! Sorry to bring up an old thread again, but I successfully BSEL modded my Quad core (Q6600) Lenovo 3000 K100. I'm up to a stable ~3.0GHz at around 54 degrees according to OCCT ran for about an hour. Here are my stats on CPUz:

http://valid.x86-secret.com/show_oc.php?id=394024

The other upgrades I'm planning are:

upgrading to a 750watt power supply
adding a blu-ray/HD-DVD drive
adding a better CPU cooler
adding 1TB drive
changing my 1GB 8600GT to an HD4870

Can't wait! Thanks all for your help!
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Lenovo 3000 K100
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