EXTREME CPU temp problem! 167 Degrees C!

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ScissorClaw

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Mar 26, 2003
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<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT face="Times New Roman">I have a P4C800 with a SERIOUS overheating problem. Right now, or rather when the computer was on, it was 88 CELSIUS. About 2 hours ago it was at 44 degrees under full load (folding@home in the background) and 35 Celsius idle. Yesterday it was showing up as 167 degrees CELSIUS! Yes, I am yelling on the word CELSIUS! I checked to make sure that it was set to Celsius and not Fahrenheit, and in fact it was set correctly. I checked the temp in Hmonitor and MB monitor and ASUS probe and they are all giving me the same figures. Well, after I saw the 167 yesterday, I broke it down completely. I'm using an MCX4000 with a fan that may not be the best. It runs at only 2500 RPM and it's CFM is probably a tad low around 25. However, I placed a 120mm on there when it started to overheat yesterday, and it didn't make a dent in the temp. So as I was saying, I broke it down, replied AS III and re-assembled. I've been building computers for a little over a year now and I'm pretty sure I know the correct amount of AS to put on there, so I don't think it is that. The HS is on nice and tight. I had the sane HS and Fan on an Intel 865PERL up until Monday with NO temp problems whatsoever. I have a thermal probe that came with the case. Unfortunately, I think it is busted because it displays L which means the temp is so low that it is not worth reporting. On previous computer, it usually kicked in at about 35 degrees Celsius. Of course, the diode on the chip could be busted as well. I'm kinda at a loss. This weekend I am possibly going to buy a new HS and fan. Maybe just a new fan, possibly a 92mm Tornado perhaps. Everything in the BIOS is set at default, no overclocking going on, yet :)</FONT></FONT>


<P class=MsoNormal style="MARGIN: 0in 0in 0pt"><FONT size=3><FONT face="Times New Roman">Anybody have any idea why the temp is going up then down then up...yada yada yada...Nothing has changed with the computer to make it go up and down like this. Quite perplexing I might say.
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Baronz

Senior member
Mar 12, 2002
588
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Well at least you know it isn't correct (you're computer is functional)
 
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ScissorClaw

Member
Mar 26, 2003
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Let's assume the diode is broke. I know that and you know that. But does the computer? Will it see this high temp and throttle back all the time? If that is true, than I have a defective product. Is the diode/probe in the CPU or mobo? Also, what program can I use to make sure that the CPU is running at 3.0 GHZ and not the throttled back speed? I guess I could run Sandra and see what score I get on the multimedia bench.
 
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Sid59

Lifer
Sep 2, 2002
11,879
3
81
Originally posted by: ScissorClaw
Come on man, did you even read my post closely? I checked it in three different programs.
Click to expand...

with all honesty .. it's not very reader friendly
 
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ScissorClaw

Member
Mar 26, 2003
141
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I agree it may not be my best work of art, but I clearly stated the three programs I used to check the temp. Sorry if I seem pissed, but I hate it when posts aren't read closely, or the thought that I would sit here and wirte out a post for help without checking out the most basic of basic assumptions, not to mention the most obvious, that it might have been farenheit all along.
Anyway, back to the problem. I have a IS7 that I will put the CPU in and see what that says. If the temp diode is kaput, I assume it should tell me the same thing when I boot that one up. God, I hate breaking down this HS because you have to take the mobo out to get it off. That is the only negative I can find with this HS.
 
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ScissorClaw

Member
Mar 26, 2003
141
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One other thing I noted, in the BIOS at bootup the temp is 29.5C. The second that windows starts up and I am able to get into a monitoring program, the temp jumps to 88C. That is maybe 30 seconds later, and it doesn't move from there at all. No matter if I am running Folding@home at 100% or just idling, it is 88C.
 
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Nuggs

Member
Aug 12, 2003
98
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run the pc with the case off and put your hand on the heatsink if it's running at 88c you'll know about it, that will feel too hot to touch, if it isn't too hot to touch then you know that the reading are wrong.
 
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eastvillager

Senior member
Mar 27, 2003
519
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...actually, if the heatsink is not seated properly, it might not be that hot at all, while the processor is cooking itself. :p


 
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ScissorClaw

Member
Mar 26, 2003
141
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My dang internet connections been out for since midnight and I just am able to get on to give you guys an update. Abput two minutes after I posted my last post, I rebooted my computer to try the "putting a finger on the HeatSink method". It wasn't hot at all. Maybe a little war, but nowhere near panic hot. I then launced ASUS probe and got a reading of 32c. That's under load. With Folding running, I got a reading of 45c. I turned it off for the night, still not convinced I wouldn't wake up to a computer smoking and burning. This morning I am stil getting the same low temps. I have a feeling that the diode or temp monitor is hosed. It's frustrating, because if it is hosed, God forbid something does go wrong and it starts to overheat, I may not get a correct reading, which may effect the down throttling, therefore REALLY cookin' my CPU. Is the temp monitor/diode in the CPU or the mobo? It just happens that the computer show I bought this combo at back in May is in town tomorrow and it would save me a 2.5 hour round trip to the actual store that sent it to me.
 
Jeff7

Jeff7

Lifer
Jan 4, 2001
41,596
19
81
Originally posted by: huesmann
Wouldn't the CPU have fried itself by now if'n he was really running at 167ºC?
Click to expand...

That would likely be hot enough to start to melt the CPU socket, wouldn't it? Or at least totally nuke the CPU.
 
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nolovenohope

Senior member
Nov 24, 2002
714
0
0
If it was truly running at 167C, your CPU would have died a long time ago seeing that most P4 have a shut off at 75-80C to my recollection. RMA the board?
 
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Slogun

Platinum Member
Jul 4, 2001
2,587
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0
I'm pretty sure the temp diode is in the CPU socket on the mobo.

Returning it at the show tomorrow sounds like a good idea.
 
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