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I recently built a PC with a P4 2.6 (800 FSB) and an AOpen AX4SPE-N mobo. Sisoft Sandra shows a Power/Aux Temp of 68-70 degrees C. My understanding is that this is a temperature reading from my PC's power supply. 70 C seems pretty high, although I have heard of others getting similar results. I don't know whether this is a legitimate reading, or whether the PS is running hot. I will replace the PS if I have to, but would like to hear some other opinions about this high temp reading. By the way, the PC seems to be running fine.
Do you have a three pin molex (could be only one wire though) coming out of the PS and plugged in one of the fan headers (the header should be for the PS) on the mobo? If no, the reading is bogus and just ignore it. Otherwise, it's a real reading. 70C is a little high, but if you don't smell any burning plastic, I'd say you are ok.
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I believe "Molex" is the 4-pin connector. Power/Aux temp readings are found mostly with Intel Chipset board, i.e. 815, 845, 850, 865, 875.
It is the temp of the power supply on the board. I have no idea how yours got this high. This is the same area IC7-Max is using the fan duct tunnel to cool off.
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Shawn ...
The only 3-pin Molex with one wire that I'm aware of is coming from my heatsink/fan (CoolerMaster Aero 4), and it's plugged into the CPU fan lead on the mobo. Haven't smelled any burning plastic (!) and the air coming from the fan in the power supply is only slightly warm. I don't think my power supply has a separate 3-pin lead to plug into the mobo (unless I've overlooked it); I don't think there's a place to plug another such lead into the mobo. As I said, I have thought about replacing the power supply, but if there isn't a problem, I probably won't bother.
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real_cool ...
I think you're right about the term "Molex": technically it does refer to the 4-pin power connectors. My mobo is an AOpen with Intel 865 chipset. You mentioned that the power/aux temp "is the temp of the power supply on the board." Not sure I know what you mean; not the case power supply? Also, could you elaborate on "This is the same area IC7-Max is using the fan duct tunnel to cool off"? Thanks for your input.
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Or should I say three pin connector? :-)
Well, some good PSU such as Antec True Power has a three pin connector coming out of it to plug in the PSU fan header on mobo such as MSI 875P and Abit NF7-S. You'll get real time reading of the temp and fan speed of the PSU.
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Almost forgot, your temp in Power/Aux must be revised with CPU temp. What is your CPU temp from Sandra?
And, I believe you have other temp monitor installed which is set wrong.
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real_cool ...
At the time I read your latest post, according to Sandra, both CPU temp and Board temp were 27 degrees C. Power/Aux temp was at 68.5 C.
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There is something wrong with these readings. It's likely your CPU temp is 68.5C. What does the BIOS read?
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real_cool ...
Checked my BIOS, and these are the temps:
CPUTEMP = 29 C
SYSTEMP = 27 C
PWRTEMP = 69 CSo the BIOS, Sandra, and SilentTek (AOpen utility) all seem to agree. There is no lead wire to hook up the power supply to the mobo for temp monitoring, so could that 69-70 C be a bogus reading for the PS?
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For P4 2.6C, your CPU temp seems really low. AT 29 C, there is not much higher than your room temp which I assume like every household at this time of year be around 22 C.
I could only offer you what I've experienced. With 6 P4's sitting here, none would have CPU temp at 29C. My Celeron 766 three years ago ran more than 29C.
Sorry that I couldn't be more helpful.
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real_cool ...
The PC is in a study in our basement, so the ambient temp would be around 19-20 C. I agree that 29 C for a P4 CPU seems low; for what it's worth, that's at idle. I noticed that when I play a little desktop Tetris game, the CPU temp jumps up to around 39-40 C (must be a CPU-intensive little game!). In fact, with SilentTek running, I get a temp warning. CPU kernel temp never seems to get out of the 68-70 C range. Still not sure whether I'm just getting faulty readings - the PC seems very stable, and I haven't noticed any heat problems (although those little doughnut-shaped capacitors near the CPU get rather warm to the touch). At this point I don't know whether there really is a problem. I'm still open to any input or opinions.
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