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General discussion

what 100 degrees

Nov 21, 2004 5:59AM PST

according to my bios my processor runs at 100 degress celcius but i know that is not possible. the thermometer on my case says its at 30 (i know that is off a little) i have an intel 925xcv 3.4 p4 2 gbs of ddr2 can anyone help me out

Discussion is locked

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Fortunately it is an Intel
Nov 21, 2004 7:39AM PST

so if it was even close to that it would have shutdown.

Possibly the CPU is not mounted and touching the termistor in the CPU mounting socket [or the device is simply bad]

Maybe try MBM. Search in Google for it. With it, when properly installed you can monitor the temps whi;le using the system.

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Are you certain that is not
Nov 21, 2004 9:31AM PST

degrees F?? 30 C is 86 F and the CPU being 14 F degrees hotter would be in the ballpark for a normal system.

Where's the therocouple located that reports 30 degrees??? Temperatures within the case can vary widely.

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Re: Are you certain that is not
Nov 21, 2004 1:12PM PST

its under the heatsink close to the cpu, and my bios says its 100 C. when it said this both me and my friend put our hands on the heat sink and it was slightly warm but nowhere near 100 C

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Keep in mind with the CPU chip
Nov 22, 2004 5:34AM PST

at 100C the heat sink will be hot, but again the P4 would have shut down well before this.

For a ballpark estimate of the temp of the heatsink assume that the HSF is acheiving a thermal resistance of 0.5 degrees C per watt. So for a CPU junction of 100 C, CPU consuming [dissipating] 60 watts, the HS would be about 70 C [still rather hot LOL].

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Re: Keep in mind with the CPU chip
Nov 23, 2004 9:20AM PST

Be as it may whether it runs at 100C or not, Intel's website has listed this and many others. When looking for processor temperatures, BIOS can be and is most likely wrong. My BIOS was reporting my P4 520 running at say oh 80C. That is hot for a 2.8 GHz processor. I went and downloaded a temperature monitoring utility. The utility showed that when my system was idle, temperatures slid below 40C and my max temperature so far (w/o OCing) is 56C. Better download a utility.