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#263062 - 22/08/2005 12:43 Cooling off new intel motherboard and CPU
burdell1
old hand

Registered: 14/01/2002
Posts: 930
Loc: Minnetonka, MN
I recently installed a new motherboard and CPU in my computer (an Intel 3.4 ghz) and it seems to run really hot ( avg. temp is 135 F for the CPU and 110 for the motherboard.) Evidently my case is not very good at dispersing heat, so I was wondering if there are any cases you suggest that are good at this. Or any good, big fans that are nice and quiet or any other heatsinks that would be good?

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#263063 - 22/08/2005 13:02 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
BartDG
carpal tunnel

Registered: 20/05/2001
Posts: 2551
Loc: Bruges, Belgium
Unfortunately, this is a pretty normal temperature for Intel's latest cores (Prescott). It's also the main reason I've made the switch to AMD, something I would have considered impossible no less than a year ago. I still like Intel though, and plan on returning to them once they clean up their act and produce good, solid and low-temp cpu's again, just like they've always done in the past.

But to answer your question: I doubt there's much that can be done about those temps. Not with a quiet fan, or without the aid of a watercooled setup anyway...
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#263064 - 22/08/2005 23:48 Re: Cooling off new intel motherboard and CPU [Re: BartDG]
mlord
carpal tunnel

Registered: 29/08/2000
Posts: 13863
Loc: Canada
Quote:
once they clean up their act and produce good, solid and low-temp cpu's again, just like they've always done in the past.


Mm... AFAICR, Intel CPUs have always had a reputation (deserved) for running HOT HOT HOT!

Cheers

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#263065 - 23/08/2005 00:02 Re: Cooling off new intel motherboard and CPU [Re: mlord]
tman
carpal tunnel

Registered: 24/12/2001
Posts: 5528
Quote:
Mm... AFAICR, Intel CPUs have always had a reputation (deserved) for running HOT HOT HOT!

That's not true. The old Athlons were famous for running exceptionally hot and then frying themselves because AMD didn't have any form of thermal throttling. Intel have suddenly gone crazy in power consumption and heat output because of their misguided attempts at marketing based on how high of a clock can you go even at the detriment of performance per clock.

Intel should be a lot better once they junk the NetBurst architecture that the Pentium 4 uses and switches over to the Pentium M based chips.

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#263066 - 28/08/2005 13:07 Re: Cooling off new intel motherboard and CPU [Re: tman]
burdell1
old hand

Registered: 14/01/2002
Posts: 930
Loc: Minnetonka, MN
are there some fans that work better than others? my case doesn't have a back fan....is there some sort of big heat sink that I can put in that will help dissipate the heat?

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#263067 - 28/08/2005 22:49 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
tfabris
carpal tunnel

Registered: 20/12/1999
Posts: 31141
Loc: Seattle, WA
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#263068 - 29/08/2005 02:04 Re: Cooling off new intel motherboard and CPU [Re: tfabris]
Dignan
carpal tunnel

Registered: 08/03/2000
Posts: 12016
Loc: Sterling, VA
Quote:
Gah. www.zalmanusa.com .

Ditto. But as has been the experience of others on this board [sorry!], make sure to check their compatability documentation before ordering. Your motherboard may not be able to physically hold those circular heatsinks.
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#263069 - 29/08/2005 11:21 Re: Cooling off new intel motherboard and CPU [Re: Dignan]
larry818
old hand

Registered: 01/10/2002
Posts: 986
Loc: Fullerton, Calif.
Quote:
Ditto. But as has been the experience of others on this board [sorry!], make sure to check their compatability documentation before ordering. Your motherboard may not be able to physically hold those circular heatsinks.


It seems in particular that most Zalman heat sinks require the threaded inserts around the socket to mount them. Their only real claim to fame is that they are almost silent. They do this by running huge fans very slowly on huge heat sinks. On my mb, the heat sinks were too big.

I ended up running the Cooler Master Aero fans (they are designed for full flow at 1800 rpm, most other fans are 3600 rpm. Blade fans lose eff at lower speeds, something like 50% flow at 80% speed.) mounted on the original heat sinks. I've attached a picture of it. It worked pretty well, but didn't move air like the original, extremely noisy fans. My cpu would exceed 65 degrees c if the room got to 30 degrees c. In a cooler room, you should have no problems.

My room gets that hot sometimes in the summer, so I ended up using a water cooling system. It cools both the Athlon cpus, the VGA card, and the hard drive. The CPUs are running 15 degrees cooler and now my only fan on the 'puter is in the Zalman silent power supply. The radiator comes with two 120mm fans that almost never run over first speed (ten speeds). The whole thing is very silent now.


Attachments
263587-CoolerMasterAERO4LITESilentRadial.jpg (159 downloads)


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#263070 - 29/08/2005 13:49 Re: Cooling off new intel motherboard and CPU [Re: larry818]
Dignan
carpal tunnel

Registered: 08/03/2000
Posts: 12016
Loc: Sterling, VA
Quote:
My cpu would exceed 65 degrees c if the room got to 30 degrees c. In a cooler room, you should have no problems.

My room gets that hot sometimes in the summer

Your room gets to 30 in the summer? Don't you have air conditioning? I know people say they don't need it in California, but if it were me in California, I would need it.
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#263071 - 30/08/2005 04:50 Re: Cooling off new intel motherboard and CPU [Re: Dignan]
canuckInOR
carpal tunnel

Registered: 13/02/2002
Posts: 3152
Loc: Portland, OR
Quote:
Quote:
My cpu would exceed 65 degrees c if the room got to 30 degrees c. In a cooler room, you should have no problems.

My room gets that hot sometimes in the summer

Your room gets to 30 in the summer? Don't you have air conditioning? I know people say they don't need it in California, but if it were me in California, I would need it.

I have AC, but have never turned it on. And yeah, it can get pretty warm in my apartment. The thing is, during the day, I'm typically at work, so I don't care if my apartment is a bit toasty, and by the time I'm home, it's usually cooled off to bearable temperatures.

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#263072 - 07/09/2005 11:22 Re: Cooling off new intel motherboard and CPU [Re: canuckInOR]
burdell1
old hand

Registered: 14/01/2002
Posts: 930
Loc: Minnetonka, MN
my computer has started to shut off again for no reason....is there any way to find out what the temperature of the cpu and motherboard was at the time it shuts off?

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#263073 - 07/09/2005 11:33 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
Roger
carpal tunnel

Registered: 18/01/2000
Posts: 5569
Loc: London, UK
Quote:
my computer has started to shut off again for no reason....is there any way to find out what the temperature of the cpu and motherboard was at the time it shuts off?


I use MBM5 (Motherboard Monitor). See here. It lets you monitor temperatures, logging to a file, to the Windows Event Log and stuff. It has alarms, too.
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#263074 - 16/03/2006 16:32 Re: Cooling off new intel motherboard and CPU [Re: Dignan]
burdell1
old hand

Registered: 14/01/2002
Posts: 930
Loc: Minnetonka, MN
for people using the Zalman fan/heatsink, how much did it lower the temperature by?

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#263075 - 16/03/2006 16:51 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
Ezekiel
pooh-bah

Registered: 25/08/2000
Posts: 2413
Loc: NH USA
I lowered my temps from 150-170F to 125-135F with a Zalman. It is truly quiet.

-Zeke
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#263076 - 16/03/2006 21:21 Re: Cooling off new intel motherboard and CPU [Re: tfabris]
sein
old hand

Registered: 07/01/2005
Posts: 889
Loc: Sector ZZ9pZa
Quote:
Gah. www.zalmanusa.com .

Its a bit late for this thread, but in case it is useful for someone in the future, I would absolutely totally recommend Thermalright heatsinks paired with a good quality quiet or silent fan. The quality is outstanding, and they are very efficient for moving the heat. I have an SLK-800U in one machine and a SI-120 in another, both are ace.
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#263077 - 17/03/2006 09:24 Re: Cooling off new intel motherboard and CPU [Re: sein]
peter
carpal tunnel

Registered: 13/07/2000
Posts: 4146
Loc: Cambridge, England
Do those heatpipe heatsinks work if the motherboard is mounted vertically? Seems to me that heatpipe operation depends on the liquid phase flowing back down to the CPU under gravity.

Peter

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#263078 - 17/03/2006 10:58 Re: Cooling off new intel motherboard and CPU [Re: peter]
tman
carpal tunnel

Registered: 24/12/2001
Posts: 5528
Most heatpipes have a wick in them so you can use them at odd angles. Doesn't work as well as if it were vertical though.

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#263079 - 18/03/2006 07:15 Re: Cooling off new intel motherboard and CPU [Re: peter]
tfabris
carpal tunnel

Registered: 20/12/1999
Posts: 31141
Loc: Seattle, WA
Quote:
Do those heatpipe heatsinks work if the motherboard is mounted vertically?

Funny you should ask that, I remembered a Dan's Data column on that recently:

http://www.dansdata.com/io054.htm

My personal opinion of heat pipe products is that they are significantly less efficient than a direct-mounted heat sink, and are frequently more trouble than they're worth, except in certain places where a real heatsink is impossible logistically.
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#263080 - 20/04/2006 04:08 Re: Cooling off new intel motherboard and CPU [Re: Ezekiel]
burdell1
old hand

Registered: 14/01/2002
Posts: 930
Loc: Minnetonka, MN
is it very hard to install? (the zalman)

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#263081 - 20/04/2006 08:14 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
BartDG
carpal tunnel

Registered: 20/05/2001
Posts: 2551
Loc: Bruges, Belgium
No. The newest Zalman CPU heatsink does require you to remove your motherboard to be able to install it though. (a back plate needs to be screwed onto the motherboard). This is a bit of trouble, but it's not that hard.
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#263082 - 20/04/2006 14:05 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
Ezekiel
pooh-bah

Registered: 25/08/2000
Posts: 2413
Loc: NH USA
Archeon's experience matched mine. If your motherboard is an obscure model/make you may want to very carefully check the clearance dimensions and/or the supported motherboard lists before purchasing a Zalman. My install was pretty straightforward. I had to remove the Mobo, so it was not a quick project, maybe an hour and a half from start to finish. I had some motherboard screw/standoff thread pitch issues, but that had nothing to do with the Zalman.

-Zeke
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#263083 - 01/05/2006 00:39 Re: Cooling off new intel motherboard and CPU [Re: BartDG]
burdell1
old hand

Registered: 14/01/2002
Posts: 930
Loc: Minnetonka, MN
Is that with all the new ones or is it just certain ones where you need to take out the motherboard? I noticed on my parent's dell there is some sort of plastic "tube" (for a lack of a better word) that goes from motherboard to the vents....is there something like that I can install on mine to help expel the air out to the vents.

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#263084 - 01/05/2006 01:01 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
msaeger
carpal tunnel

Registered: 23/09/2000
Posts: 3608
Loc: Minnetonka, MN
The cases I have seen that have that just have a hole cut in the case with a tube attatched to it.
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Matt

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#263085 - 01/05/2006 07:58 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
BartDG
carpal tunnel

Registered: 20/05/2001
Posts: 2551
Loc: Bruges, Belgium
With all motherboards that use an Intel 775 socket you are required to remove the motherboard. If you still have an older 478 pins model, then you'll be able to attach the cooler to the plastic holder around the CPU (socket 775 does not have such a holder) without having to take out the mobo.
I know that 'tube' system that Dell uses to get the hot air out of their cases, but I found it wasn't as effcient as you would think. It also added to the noise, so I have removed those tubes in the past and swapped the CPU cooler with a decent (Zalman) one.
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#263086 - 01/05/2006 08:06 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
sein
old hand

Registered: 07/01/2005
Posts: 889
Loc: Sector ZZ9pZa
Quote:
Is that with all the new ones or is it just certain ones where you need to take out the motherboard?

Although the ones which require you to remove the motherboard take much more time to install, I find you end up with a much more satisfying and robust heatsink mount this way. Big heatsinks like Zalman ones are pretty heavy and it is much nicer when they are solidly mounted in all four corners instead of wrestling with that horrible two side socket clip.

EDIT: Oh, the ones with the frame around the socket are not bad either.


Edited by sein (01/05/2006 08:08)

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#263087 - 10/05/2006 03:08 Re: Cooling off new intel motherboard and CPU [Re: sein]
burdell1
old hand

Registered: 14/01/2002
Posts: 930
Loc: Minnetonka, MN
What is the best Zalman heat sink/fan? It seems that there are a couple of them that will work with my motherboard/CPU.

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#263088 - 10/05/2006 06:18 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
BartDG
carpal tunnel

Registered: 20/05/2001
Posts: 2551
Loc: Bruges, Belgium
The CNPS9500 is the most efficient (and most quiet) at the moment. This is an excellent cooler!
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#263089 - 10/05/2006 14:12 Re: Cooling off new intel motherboard and CPU [Re: BartDG]
burdell1
old hand

Registered: 14/01/2002
Posts: 930
Loc: Minnetonka, MN
What is the cheapest you have seen it for?

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#263090 - 10/05/2006 18:36 Re: Cooling off new intel motherboard and CPU [Re: burdell1]
BartDG
carpal tunnel

Registered: 20/05/2001
Posts: 2551
Loc: Bruges, Belgium
I'm not really the right person to ask since I have to pay the 'Europe premium' with every purchase I make, but for you US folks, Froogle is always a good place to start.
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#263091 - 28/05/2006 11:18 Re: Cooling off new intel motherboard and CPU [Re: BartDG]
burdell1
old hand

Registered: 14/01/2002
Posts: 930
Loc: Minnetonka, MN
How long of a job do you think it will be?

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