AWW HELL! Only 950MHZ?! Was: Question: Thermal Paste on Peltier? yes or no?

SuperGroove

Diamond Member
Dec 17, 1999
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UPDATE: AWW HELL! I got my GFD today, and cranked her up to 1000MHZ at 2.05V. Got to the Sin98 splash screen, and it never got further than that. I tried 9.5x105. No go. 9.5x103. No Go. CRAP! Now I'm running 9.5 at 2.0V. SHINTO SHINTO SHINTO! Stupid Peltier...sigh...What can I do to get this baby over the GHZ mark? I'll be happy after that...I promise!

Paul


Hey guys, I was just wondering...do I put thermal paste on the cold side of the peltier? I put thermal paste on the hot side of the peltier, superglued it onto the Alpha and then I put thermal paste all over the cold side of the peltier? Good or no?

Thanks,
Paul

Oh...my processor doesn't seem cool...it seems kinda warmer than before. The heatsink is definitely warmer...but the processor is warm too.

 

tweakr

Senior member
Mar 2, 2000
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Definately thermal paste on the cold side of the Peltier.

As for the chip being warmer than before, what chip are you running, and what rating of peltier is it? Remember that e.g. running a 13.8v 55w peltier at only 12v results in a reduction in heat transfer ability, and that the AMD Durons and TBirds pump out a lot of heat...

cheers
tweakr
 

Usul

Golden Member
Nov 3, 2000
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Cech the W powre of the pelite, and the W dissipation of the cpu, if the cpu dissipate more then the peltier can bring away, the heat will stay there.
 

SuperGroove

Diamond Member
Dec 17, 1999
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I have a slot-A 700MHZ T-bird, a 84 watt Peltier from Leufken's and an Alpha P7125. How do I find out the watt dissapation of my CPU?

Paul
 

Mikewarrior2

Diamond Member
Oct 20, 1999
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spec sheets... which crapdammit I can't find and are only on my home computer.. i'll repost watts when I get home later.



Mike
 

Mikewarrior2

Diamond Member
Oct 20, 1999
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at 700 1.7W, your cpu dumps about 38 W of heat into your system

AT 1ghz, 1.8W, your cpu would put out roughly 57.4W.



Mike
 

mechBgon

Super Moderator<br>Elite Member
Oct 31, 1999
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Ok, for clarification, do you have a coldplate between the peltier and the CPU core? If you don't, your peltier is not going to be able to exert as much cooling effect on the core.
 

Bignate603

Lifer
Sep 5, 2000
13,897
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as for your heatsink being hotter, peltiers actually create some heat... they do get a cold side and a warm side but they dump excess heat out the hot side that the peltier actually makes doing it's little mystical electronic shumbango that lets it get the cold side. I have no clue how these things actually work, i only know they do...
 

SuperGroove

Diamond Member
Dec 17, 1999
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Why is it my system's so unstable at 950 now? When I posted this message, I had spent all day benchmarking my system. I take it out to apply some thermal paste that came with the kit, and it won't even go 5 minutes without seizing on me.

I don't have a thermal probe on my K7PRO, but when my T-bird freezes up, I went and touched the the back of the CPU (opposite side of heatsink) and it damned near burned my finger off. My Voltage was at 2.05. Like I said, it ran really happy at 950 when I first posted this message and now won't even stay on for more than 5 minutes at that voltage. I bump it down to 2.0 because I think the voltage is creating too much heat, but it locks up at the Windows splash screen. ARGH! Now I'm running 900MHZ at 1.9V. It runs stable at 900MHZ...just as stable as it used to be at 950MHZ.

STINKY STINK STINK!

Now Russ won't answer my e-mail concerning my dead PSU. Sigh...what a fux0red up week I'm having. When you can't even do what relieves you of your stress(for me it's NFS:pU), you're gonna get pretty f*ckin mad like me

Paul