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Thread: cpu runing at 61-75oc




  1. #11
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    Jan 2003
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    No problem mate!
    Lapping is polishing the contact surface of your heatsink for better transfer of thermal energy. It involves using wet/dry sandpaper in finer and finer grits until the bottom shines like a mirror. This is obviously labor-intensive, but the materials are cheap and the results usually worthwhile. There are many guides out there so I won't be more specific.
    TIM=Thermal Interface Material...there are quite a few out there, but this is basically for the same purpose as lapping: Improving the transfer of heat AWAY from the CPU as efffectively as possible. Arctic Silver 3 uses silver, a very good conductor, to fill in any microscopic voids and displace any air gaps from the heatsink to the CPU die. The smallest tube they sell is about $7US and will do dozens of applications, so it is also a cheap mod. It's also called thermal grease, and is applied in a thin layer to the CPU die and the HS.
    I wanted to ask you earlier....have you moved your computer recently or perhaps shifted the heatsink? This can cause airgaps to form between the HS and the CPU, and therefore, increase temps. Perhaps when you replaced that stock fan you moved the HS. Get some TIM of a brand you like, then carefully remove your heatsink, strip off all that old goo with a mild solvent, such as rubbing alcohol, and reapply the TIM according to the manufacturer's specifications. After just a short while, the CPU will burn in the TIM, and you'll have the best cooling possible. I hope this helps you! :cheers:
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  2. #12
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    Thanks mate!

    no i havnt recently, i replaced the fan about 4months ago as the original one was making a noise altho i think my temps have been doggy since then as i tried 2 remove the heatsink but i couldn’t get it of so i gave up an jst put the fan on top. im going o have a go at the lapping and i'll get sum TIM(now tht I knw what it is!).
    i also wanted to ask is there a gud technique of getting a heatsink of ive tried the motherboard manual an it basically says push an pull. but my motherboard seems to bend a lot when i do it.

    : peace2:

  3. #13
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    try this guide for lapping your HSF:
    http://overclockersclub.com/guides/h...pingguide.php#

    as for getting the HSF off, take a close look at the base of it. You should see a metal tab on each side that is attached to the cpu socket by a plastic tab. One of these metal tabs will have a bit extra on it formed into a shape that will accomodate a flat head screwdriver. Insert the head of the screwdriver into this spot and push down and pull away from the plastic tab on the cpu socket to get it to release. Once that is done, just lift the HSF off the cpu and unhook the metal from the plastic on the other side. BUT be sure you don't break the plastic tabs or you wont be able to put a standard HSF back on.
    I've gone too far and need to move on!

  4. #14
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    TY Bubba!
    I'd add this: Spend the time to find a flathead screwdriver that fits perfectly. Slipping and putting a hole through the mobo tends to make things not work too well...:eek:
    Sometimes it's also worth the time to remove the motherboard completely from the case. Some cases/heatsink/mobo combinations don't leave much room to get any leverage. You might also try laying the computer on its side so the heatsink can't fall once it's released, and for stability and leverage. Oh! Make sure it's not just shut off but unplugged!:thumb:
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  5. #15
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    also, it would be a good idea to get yourself an ESD braclet so you don't go shocking any of your hardware if you happen to touch something other than the HSF

    They are cheap and widely available, considering the cost it's a worthwile investment

    :cheers:
    I've gone too far and need to move on!

  6. #16
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    You're pretty staunch about those, aren't you Bubba? You're not alone in that, but I've also read that if you just ground yourself, such as touching the PSU that's grounded but off, that'll discharge any static. I haven't fried any components that weren't plugged in and I've never used a bracelet. If I had one I might use it. : peace2:
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  7. #17
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    Quote Originally Posted by Wordbiker
    You're pretty staunch about those, aren't you Bubba?
    ya I guess I am. But I've got good reason, I have killed more than once PCI card and not even known it till I was trying to re-load the OS. Didn't ever feel a thing. Touching the metal of the PSU works but only if you don't do anything to build up a little ESD after that. It's ok for a quick job, but if I'm going to be messing around inside a case for more than a minute or two I want to have a braclet on so i don't go killing another sound card, or something more expensive/important
    I've gone too far and need to move on!

  8. #18
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    Jul 2003
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    Why not just unplug the computer from its powersource?
    ThermalTake Blue side window case
    7x 80mm fans 2050 rpm
    MB i875P 5P1A4D IC7 ABIT ATX
    CPU P4 2.4CGHz 800M 478P/512K HT RT
    DDR 2x256 MB TWINX 512-3200LLPT COR RT
    KB LOGITECH|OPTICAL DESKTOP BLK
    FD 1.44MB MITSUMI
    CPU FAN INTEL P4 SPARK7+ A1715 RT
    CDRW LITEON 52X32X52X LTR-52327S BK
    ETHRNT LINKSYS|LNE100TX 10/100 v5.1
    MAXTOR 160gb 8MB Cache
    FX 5600 Ultra
    19in CRT View Sonic w/ ultra bright

    drenader has attached this image:

  9. #19
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    that only takes care of the electricity coming from the Power Company ...not the built up electricty in your body, which is more than enough to fry any of your PC parts
    I've gone too far and need to move on!

  10. #20
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    Quote Originally Posted by drenader
    Why not just unplug the computer from its powersource?
    Because he's talking about ESD=Elecrostatic Discharge
    You ever rub your feet on a carpet and zap your little brother/sister? That little arc can fry sensitive electronics. Obviously it's worse in some environments than others. I see your point Bubba, perhaps I've been lucky and it is better safe than sorry. I'll pick one up :thumb:
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