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Blue|Fusion Rated XXX
Joined: 30 May 2005 Posts: 441 Location: Cleveland, OH
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Posted: Tue, 24 Jan 2006 19:03:47 Post Subject: Cooling the Pentium D |
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Hi,
First off let me say I'm new to the forums, but not new to the site (always keep up with the reviews). Now that that's out of the way...I've just recently built my very first DIY PC. I've been running it about two weeks now and no noticeable problems thus far.
With that said, ASUS' AiBooster program reports the CPU at a balmy 43-44C when idle and up to around 60-62C when playing BF2 or COD2. The ambient temperature is reported at 33C most of the time when idle (and room temp is a chilly 20-21C when I can (not summer )). Under load in the same conditions, the ambient temp gets up to about 40C.
I have a Thermaltake Armor case w/ 2 120mm intake fans, a 120mm and 90mm fan on the back, another 90mm fan on the top, and the psu (3 fans) drawing out the exhaust. The CPU heatsink is the thermaltake Big Typhoon, and CPU is the Pentium D 840 at standard (3.2GHz) speed.
I thought these temps were a bit high, however some said that since this is a dual core (and a pentium) it's bound to be hotter. Are these temps reasonable? I was looking at the Thermaltake Blue Orb II (if it'll fit on the P5WD2 Premium mobo), but want your opinions before I do. Are the temps too high? Any suggestions to get them down some more without going to water cooling?
Thanks for any replies. It's greatly appreciated. |
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Little Bruin
Boo Boo
Joined: 07 Apr 2003
Posts: 667
Location: Pic-A-Nic Basket |
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BeerCheeze *hick*
Joined: 14 Jun 2003 Posts: 9285 Location: At the Bar
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Blue|Fusion Rated XXX
Joined: 30 May 2005 Posts: 441 Location: Cleveland, OH
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Posted: Tue, 24 Jan 2006 20:00:07 Post Subject: |
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Thanks for the reply.
I already applied the HSP three times. The last time, I used a credit card to get it really thin and it came down about a degree from what it was. I used AS5, too, as I heard that's the best.
I'm wondering if a faster fan on the HSF would work better than the stock fan? It's the 120mm, 1300RPM fan that came with it, but it's rated at 54.4CFM, IIRC which quite a bit, isn't it? Would it help getting a faster one but having to put up with some more noise? I've also heard that turning the fan the other way and drawing the air away through the heatsink in the opposite direction might help. I can see where that's coming from, but wouldn't that prevent good airflow over the northbridge heatsink than? Would it really matter?
Sorry I'm asking so many questions, but I'm a curious kid, lol.
EDIT:
BTW, here's the full specs and some pictures of it during the build:
http://richgannon.net/?style=v1&page=content&id=5
I also changed some of the wiring since those pics to improve airflow the last time I set the HSF on the CPU, so it's not that messy in there anymore. |
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Blue|Fusion Rated XXX
Joined: 30 May 2005 Posts: 441 Location: Cleveland, OH
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Posted: Tue, 24 Jan 2006 22:35:26 Post Subject: |
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I just ran 3dmark06 and one the CPU tests, the CPU temp get up to 65C with both cores maxed out. That's mighty close to that max temp, and sorta worries me what can happen in the summer when this room gets up to 80F on the hotter days. _________________ 5 home-built PCs, ASUS A6Jc Laptop, and a PowerEdge 2650 - all running Gentoo. Now if only I can get a car and plane to run it. Take a look at my Gallery! |
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Spire Hall Pass B!tch!!!
Joined: 01 Aug 2003 Posts: 2165 Location: Up to my Nipples in Alaska
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Blue|Fusion Rated XXX
Joined: 30 May 2005 Posts: 441 Location: Cleveland, OH
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Posted: Wed, 25 Jan 2006 17:22:42 Post Subject: |
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I tried running it without the side on the case and the ambient temp stayed around 35-36C but the CPU temp was still hih at 63-64C on the CPU test.
I thought I should also add that I enebaled the EIST or whatever it's called in the BIOS so when the CPU is idle, it lowers its voltage and speed to 2.8GHz. I have the option to have the OS to control EIST, but I found it didn't work very well, so the mobo does it instead. _________________ 5 home-built PCs, ASUS A6Jc Laptop, and a PowerEdge 2650 - all running Gentoo. Now if only I can get a car and plane to run it. Take a look at my Gallery! |
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Doctor Feelgood Arrrrghh!
Joined: 07 Apr 2003 Posts: 20349 Location: New Jersey
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Little Bruin
Boo Boo
Joined: 07 Apr 2003
Posts: 667
Location: Pic-A-Nic Basket |
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BeerCheeze *hick*
Joined: 14 Jun 2003 Posts: 9285 Location: At the Bar
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Kilamon Rated XXX
Joined: 22 Mar 2005 Posts: 811
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Posted: Wed, 25 Jan 2006 17:53:21 Post Subject: |
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Well, the problem is pretty simple... you're running an intel chip.
Seriously, though, the next step to cool it beyond what you have already put, would probably be to water cool it.
What are your benchmark scores? |
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Blue|Fusion Rated XXX
Joined: 30 May 2005 Posts: 441 Location: Cleveland, OH
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Posted: Wed, 25 Jan 2006 19:29:35 Post Subject: |
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Scores: http://service.futuremark.com/compare?3dm06=70650
Big Bruin. each time I pulled the heat sink off the CPU, there was a complete impression on the bottom, but not too thick of a paste, atleast I'm pretty sure. And you said it could be 180* off? I don't recall seeing anything on the instructions about which way to mount it. Currently, the fins are parallel to the floor and the fan cable coming out on the right side (closest to cpu fan connector).
I was also wondering how tight it should be down on the chip? I tightened the four thumb screws down to the point where I can't turn them anymore by hand, while putting pressure on the plate so I can get the thumb screws down a good amount. The HSF doesn't move. _________________ 5 home-built PCs, ASUS A6Jc Laptop, and a PowerEdge 2650 - all running Gentoo. Now if only I can get a car and plane to run it. Take a look at my Gallery! |
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