Power box overheathing
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Thread: Power box overheathing

  1. #1
    Join Date
    Dec 2003
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    Power box overheathing

    I have problems with the power unit getting too high temps, it is very hot touching it, and the air that come out also.
    Yesterday was very hot in NY and even with a/c and 2 outside fans.
    PC freezed and the mouse went out. I shut down and went to the store.
    I had overheathing problems since I got this PC made from the chinese store (northern blvd- Queens) 6 months ago,but never so bad, once the CPU fan started making a strong noise (I also posted here) I told the guy several times before, and was winter, and the PSU very hot, he told me to get an A/C, and I did.
    I asked to change the PSU, and he refused, I have a 1 year warranty. He changed the mouse.
    I keep the PC according to strict airflow boards learned rules. I put an extra exaust fan in the back, plus 2 outside fans (1 front 1 back) There is a good inflow fan on the side, and a big one on the CPU (that stopped making noise) .
    Bios CPU temps are 45/46 =114 but at that store (very cold A/C) 42/44.
    Any suggestions on how I could handle this?
    .....Thanks...


    specs:
    case: LIC atx 400w
    MB : ASUS 775 ATI Radeon expr.200<FSB 1066,ddr400.PCI ex16,
    VGA intergr.
    CPU P4-630 3ghz 800fsb 2mb L2, HT
    1g kingston pc3200
    VC: ATI Radeonx300se pci expr. 256mb Hypermemory 128 ram
    WDC ATA drive 40mb
    DVD rw Liteon
    floppy
    modem

  2. #2
    Join Date
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    According to the chart on the following Intel page, the 3.0GHz 630 has a Thermal Specification (maximum temprature) of 66.6°C

    Intel Boxed Processor Test Specification
    Information for Intel® Pentium® 4 Processors
    http://www.intel.com/cd/channel/rese...new/182403.htm

    http://processorfinder.intel.com/Pop...el=ThermalSpec
    Thermal Specification: (Also referred to as Thermal Temp) The Thermal Specification is the temperature at the critical point on the die and usually represents the hottest point on the processor. Therefore, the Thermal Specification represents the maximum temperature for reliable operation of the processor.

  3. #3
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    Check the temps with Everest:

    Everest


    As for the PSU temp, it is normal for the air to come out quite hot. What makes you think that it is excessive?
    Nick.

  4. #4
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    to 66c there is still 20c to go from 46c. So I have a 20c cushion before the CPU burns?
    the PSU air coming out get much hotter then any of others pc I had.
    sometime is very hot, sometimes is hot, but always more then others PCs.
    Everest only carry the HD temps.
    ..thanks..

  5. #5
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    Quote Originally Posted by cima2003
    to 66c there is still 20c to go from 46c. So I have a 20c cushion before the CPU burns?
    Yes, roughly.
    Quote Originally Posted by cima2003
    the PSU air coming out get much hotter then any of others pc I had.
    sometime is very hot, sometimes is hot, but always more then others PCs.
    The hot air from inside your PC has to go somewhere.
    Quote Originally Posted by cima2003
    Everest only carry the HD temps.
    ..thanks..
    Might try SpeedFan:
    http://almico.com/speedfan.php

  6. #6
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    The heat from the PSU could be because it is a very inefficient one - even the very best rarely get much better than 80 to 85% efficiency, and cheap and masty PSUs can be dire, which means that quite a bit of your electricity is converted straight into waste heat. Consider investing in a good quality PSU, the voltages will be a lot more stable as well, which can cure a lot of PC glitches, plus good quality PSUs tend to be more likely to fail safe, and not take eeverything else out with them when they die.
    Nick.

  7. #7
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    check to see if there is Speed switch on the PSU fan,some have them so you can run your comp quieter.

  8. #8
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    usa
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    no speedswitch on PSU fan.
    but on bios you can enable the cpu fan speed change ( I guess the fan speed change as temp increase) the odd thing is that now is on disable, but the fan speed double when it get hot, so I suppose is the other way around.
    I dont know how to explain it, but sometimes it get so hot looks like a space heater,
    so the room get very hot...making the PSU hotter..as a chain reaction. In winter its ok, but in summer you can immagine.
    I had many PC I never saw anything like it.
    ...thanks...

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