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P4 D 3.0 High Temps

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July 26, 2010 3:51:05 PM

I am putting together a system from mostly spare parts with an Abit AW8 and P4 D 3.0 GHZ.

I've tried 3 different heat sinks, and the system reports ~53 degrees C at idle.

I've tried Intel reference coolers from a Q9550 and E6850, as well as a Zalman CNPS 7000 Cu.

I've verified the voltage is stock and there is no over clocking.

Any thoughts?

More about : high temps

July 26, 2010 3:53:50 PM

well P4 and P4 D are used to run hotter, my old P4 always runs 56 degrees on ideal and above 67 degrees on load.....
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a b à CPUs
July 26, 2010 4:12:12 PM

8XX or 9XX?
Whats your load temps?
It should be normal for the 8XX Pentium Ds.
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July 26, 2010 4:14:30 PM

Hmmm, that does seem high! My old Pentium D 820 ran at 36C idle!

What are you reading the temps with? Try downloading CPUz HWMonitor and give us a screen shot of it.

Also have a look in your BIOS for the temp that gives.
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a b à CPUs
July 26, 2010 6:43:06 PM

Make sure there's appropriate airflow through the case.
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July 26, 2010 7:16:58 PM

firebird said:
I am putting together a system from mostly spare parts with an Abit AW8 and P4 D 3.0 GHZ.

I've tried 3 different heat sinks, and the system reports ~53 degrees C at idle.

I've tried Intel reference coolers from a Q9550 and E6850, as well as a Zalman CNPS 7000 Cu.

I've verified the voltage is stock and there is no over clocking.

Any thoughts?


Whats your room temperature and what do the other cpu read at idle?

My Pentium 4 is running about that temp in idle due to moving from the north to the south. Thats also with an underclock/voltage. from 2.8 to 2.6 GHz and 1.38v to 1.28v. Used to be about idle 45c when i was in ohio on stock settings.

Maybe you should try a little bit of undervolting as sometime stock setting can be a little on the high side. ;) 

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a c 141 à CPUs
July 26, 2010 9:32:22 PM

I noticed you hadn't mentioned any thermal compound.
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July 26, 2010 11:10:13 PM

CPU is Pentium D 930 rev B1
Core Voltage is 1.250
I've checked the temp in the BIOS and with Abit's Guru program. It seems the Abit mobo uses a chip that Speedfan doesn't recognize or I'd use that.
Thermal compound was cheap Radio Shack stuff and Zalman's stuff.


As I write this the temp is 48 degrees C with ambiant being 26.6 degrees C.

I've tried with and without the case closed with no noticeable difference in temp. If I stress the CPU and leave the temp monitoring/shutdown on it will shut the system down as the CPU read over 80 degrees C.
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July 26, 2010 11:46:28 PM

I'm starting to lean towards CPU-heatsink contact or faulty temp reading.

I'm currently running prime95 on both threads and the CPU is reading 72 degrees C under full load for the last 7 min and holding steady.

Removing the side of the case doesn't change temp but maybe 1 degree, and the heatsink is not hot to the touch.

Coretemp reports "unsupported CPU" and closes.
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a b à CPUs
July 27, 2010 12:13:52 AM

The stock Intel heatsink and far are quite adequate;
it's the stupid push-pins that are defective:

http://www.supremelaw.org/systems/heatsinks/warning.htm

http://www.supremelaw.org/systems/heatsinks/Intel%20Sto...
http://www.supremelaw.org/systems/heatsinks/Intel%20Sto...
http://www.supremelaw.org/systems/heatsinks/Intel%20Sto...
http://www.supremelaw.org/systems/heatsinks/Intel%20Sto...


The D 930 uses an LGA-775 socket:

http://ark.intel.com/Product.aspx?id=27518


This $5 part is very cost-effective:

http://www.sidewindercomputers.com/lgbowiscsp.html


We've switched to this kit on several Pentiums,
even "Press-Hots", and all work fine once the
stupid push-pins are removed and replaced.


MRFS

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July 28, 2010 1:42:58 PM

And you think that would work better than the Zalman mounting using the 775 adaptor (using 'cause the sink was for 939) on the Zalman?
It has 4 posts securing the adapter to the mobo, and then the sink mounts to it in 2 spots.
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