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Overclocked P4 2.4 - Page 2

post #11 of 29
Quote:
Originally Posted by Trippen Out
ywhats a pwm temp.. is that the powersupply .. or what.
PWM stands for "Pulse Width Modulation", and refers to a few small MOSFETs near the CPU socket that control the voltages to the cpu and other circuitry.

I would regard this temp at 70C to be a prime candidate for extra cooling.

R
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post #12 of 29
Quote:
Originally Posted by Ropey
PWM stands for "Pulse Width Modulation", and refers to a few small MOSFETs near the CPU socket that control the voltages to the cpu and other circuitry.

I would regard this temp at 70C to be a prime candidate for extra cooling.

R

cool thanks.. im new to this forum like 2 days now.. i love how active and friendly and knowledgeable everyone is this place is great.. yea i just got some cooling.. at a bigwater system to it tonight. nothing but good things to say.. i did ad a new powersupply with 3 fans in it.. and a turbo switch on it.. its actually pretty silent for all the air its moving im inpressed but it seemed to drop the pwm down a few degrees.. do they make specific cooling for those pulse width modulation things..
    
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post #13 of 29
Quote:
Originally Posted by Trippen Out
I just today received my new mother board i found i had recently (yes i know im a little behind here) that the 2.4 clocks really well.. anyway im just curious how did you get it that fast.. right now i have mine running at 3.7 with the only tweak being the FSB no voltage adjustments or anything.. any info would be great or links to other post..
WHAT?!?! No voltage adjustment??? and 3.7??? I had to near the borderline for mine to get 3.987.
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post #14 of 29
Maybe his is an E0, and yours was a D0, Zipnogg?

And newer revisions usually are more effective with voltage.

*kicks his case* damn my C0 stepping, 2.4AE.
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post #15 of 29
Yep. D0 revision. Sorry, mate.
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post #16 of 29
Quote:
Originally Posted by ckp64
Maybe his is an E0, and yours was a D0, Zipnogg?

And newer revisions usually are more effective with voltage.

*kicks his case* damn my C0 stepping, 2.4AE.
yes actually it is an E0.. if i can get this pic to up.. its the cpu-z .. its not verified yet tho.. one step at a time
    
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post #17 of 29
Quote:
Originally Posted by Trippen Out
do they make specific cooling for those pulse width modulation things..
Yes, you can cool the PWM MOSFET's. First though, any MOSFETs are extremely static sensitive. Be careful handling them and do not touch them with your fingers as the transfer of body oil to the MOSFET will lower the life expectancy.

When you affix the heatsink to the MOSFET Remember to NOT use Epoxy unless you never intend on removing the sink for reuse on another computer. You will destroy the MOSFET with Epoxy removal.

Here's some retail ones that will save you from using a dremel

http://www.case-mod.com/store/cooler...lue-p-947.html

I use a Zalman 7700cnps cu on both the Intel systems I have as they give great airflow around the MOSFET's. There are better CPU coolers but these ones do both a good job on the CPU and the surrounding area.

Here is a pic of the MOSFET's with Thermal Paste applied.



Here is a pic of the MOSFET's with Heat Sinks applied. Note the silicon dabs holding the sink to the board. This facilitates easy removal.



Quote:
Originally Posted by ckp64
Maybe his is an E0, and yours was a D0, Zipnogg?

And newer revisions usually are more effective with voltage.

*kicks his case* damn my C0 stepping, 2.4AE.
Have you thought of selling it and getting a better revision?

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post #18 of 29
Quote:
Originally Posted by Trippen Out
I just today received my new mother board i found i had recently (yes i know im a little behind here) that the 2.4 clocks really well.. anyway im just curious how did you get it that fast.. right now i have mine running at 3.7 with the only tweak being the FSB no voltage adjustments or anything.. any info would be great or links to other post..
oh, well your almost there. Post a CPU-z scrennie so I can see your stepping and all. Though, I had a Abit IC7-Max3 (canterwood baby) with a vdroop mod, drooping only .03v so, that's probably what helped me. Your running a prescott on a 865 springdale chipset, which isn't the best combo to reach your CPU max. I ran mine 1.48v (idle) and 1.51 (load). Wait, so you haven't adjusted the vcore? Also where does your compy crash when you try for higher?
Edit: Just saw your CPU-Z scrennie, you have tons of potential, I think 4GHz for shure with more volts, but I don't like your motherboard's chipset. Don't get me wrong, the AI7 is a great board, I have owned on myself, but not with a prescott.
    
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post #19 of 29
Quote:
Originally Posted by wowza
oh, well your almost there. Post a CPU-z scrennie so I can see your stepping and all. Though, I had a Abit IC7-Max3 (canterwood baby) with a vdroop mod, drooping only .03v so, that's probably what helped me. Your running a prescott on a 865 springdale chipset, which isn't the best combo to reach your CPU max. I ran mine 1.48v (idle) and 1.51 (load). Wait, so you haven't adjusted the vcore? Also where does your compy crash when you try for higher?
Edit: Just saw your CPU-Z scrennie, you have tons of potential, I think 4GHz for shure with more volts, but I don't like your motherboard's chipset. Don't get me wrong, the AI7 is a great board, I have owned on myself, but not with a prescott.
cool.. so what board would ya recommend.. im always up for upgrades..i picked the board before i found this site and the plethera of info.. i noticed a lot of people used asus p4p800 or something like that.. right now my stand point is the PWM heat.. even with teh water cooling the cpu its still rather high.. i havnt locked it yet but at 3.8 it reboots just after i hit the windows welcome screen just before the desktop... from what ive read im assuming for this increasing the volt a step or too may get me over that hurdle..
    
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post #20 of 29
i just upped the voltage a little bit.. not even by a full volt and i was able to boot up quickly i might add into windows at 3.9 heres the new cpuz
    
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