CPU running pretty hot

Discuss cases, PSUs, and various cooling techniques in here.
LVCapo
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Post by LVCapo »

there are so many variables to work with. when you say it idles at 47C, go into the task manager and see what the CPU usage is. I've had programs take off and do their own thing before, running the CPU at 100% when i thought nothing was running. Ending the process dropped my temp about 10C.
then you could look at the voltages you are using.... are you using a higher voltage then necessary? If that isn't the answer, look at the fan you are using to cool your CPU, what is the output? sometimes you'd be surprised at the low productivity of some fans, although noisy, the actual air they move might be insufficient. After that i'd look at the heat sink, I tried one of those Volcanos and wasn't really impressed, and the thing was noisy as hell..
If your basement is around 25-27C (below 77F), and you are not O/Cing your processor, then your temps are a few, less than 5C too high, which isn't bad. i had a 2500+ and it idled at 45C with a Volcano, but that was at 12x200 FSB.
NAiLs
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Post by NAiLs »

capper5016 wrote:there are so many variables to work with. when you say it idles at 47C, go into the task manager and see what the CPU usage is. I've had programs take off and do their own thing before, running the CPU at 100% when i thought nothing was running. Ending the process dropped my temp about 10C.
Nope... nothing running. I made sure of that. Just if I have Firefox open and it refreshes a page, it may take up 2% of the CPU for a brief moment.
then you could look at the voltages you are using.... are you using a higher voltage then necessary?
Nope, stock voltages.
If that isn't the answer, look at the fan you are using to cool your CPU, what is the output? sometimes you'd be surprised at the low productivity of some fans, although noisy, the actual air they move might be insufficient. After that i'd look at the heat sink, I tried one of those Volcanos and wasn't really impressed, and the thing was noisy as hell..
It's a ThermalTake Smart Fan 2 on top of a ThermalTake Volcano 11 heatsink. They push A LOT of air when they're on high speed.
If your basement is around 25-27C (below 77F), and you are not O/Cing your processor, then your temps are a few, less than 5C too high, which isn't bad. i had a 2500+ and it idled at 45C with a Volcano, but that was at 12x200 FSB.
I'm barely overclocked. Before I began running F@H, my CPU was idling around 42*. Now that I stopped running F@H, it's up to 47* at idle. I've also ran higher overclocking than what I'm at and didn't even see near 47*C. I've been ~400MHz over and probably ran at 51-54*C under load.

I also have a few of these SMart Fan 2's in my case, pushing air where it needs it, so I know air being pushed around isn't much of a problem. Again, I've got the Xaser III case that was reviewed here on Legit Reviews.
NAiLs
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Post by NAiLs »

Hmph... I open the side of the case and open the door that the two fans are on, angle it like 30* and my core drops down to 37-38* at idle and 41-42* under load. WTF? lol :finga:

I'm gonna leave it open, oh well on the dust part.
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Bio-Hazard
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Post by Bio-Hazard »

That's telling you that your internal case air flow is screwed up somewhere. You must have something blocking the air causing dead spots making everything run hot.
NAiLs
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Post by NAiLs »

This case sucks in the part that there is NO WHERE to go with wires! I've got all round IDE cables and a bunch of wires from fans, that's it. I was going to put all the wires from the fans behind the motherboard, but the morons at ThermalTake never cut anything on the bottom to do such. :P There is like 1" of room behind the motherboard though... :roll: I'm thinking I'll have to do some self modifications, but I'm in no hurry 'cause I'll have to slaughter an expensive case.

Any thoughts?
LVCapo
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Post by LVCapo »

Funny thing is, Thermaltake uses some pretty good fans in their cases.... then on the other side of the spectrum you have Cooler Master who uses 100% pure crap fans in their cases.....
without some type of mods, you're pretty much screwed. My first thought, if you don't want to mod the case is to try something like a chill-vent, i've seen and heard some really good results with those, and they are not very expensive.
http://www.koolsolutions.net/products.htm

If that doesn't appeal to you or work, then you are really limited in what you can do...without a dremel or saw. One thing thats helped me before is reversing the fans in your case, the exhaust fan being turnd around will blow fresh cool air onto the more important parts of the mobo, the only issue being warm air blowing out the front of your case, hell, maybe it will cut down on your heating bill!
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Post by NAiLs »

capper5016 wrote:Funny thing is, Thermaltake uses some pretty good fans in their cases.... then on the other side of the spectrum you have Cooler Master who uses 100% pure crap fans in their cases.....
I've actually got a ThermalTake Xaser III, the same exact one that Nate reviewed. (Physically the same one too :) ) I put like 3 or 4 Smart Fan 2's in the case to replace the regular Smart Fans or whatever they were to increate airflow. I'm almost thinking I'll need to dremmel this sucker apart and put some edge banding around it so I don't mess up wires or my hands! :P
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