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Intel Core 2 processor question.

This is a discussion on Intel Core 2 processor question. within the General Discussions forums, part of the Community Boards category; One of my machines had an Intel Core 2 Quad processor, a 2.4GHz example. It sat on an MSI P35 ...

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    Intel Core 2 processor question.

    One of my machines had an Intel Core 2 Quad processor, a 2.4GHz example. It sat on an MSI P35 Neo2 motherboard with a big heatsink and all the usual peripherals etc. It ran 24/7 as a web server and BOINC cruncher for some years without issue at stock clock speed.

    Last summer it froze. When I noticed, may have been several days, I restarted it and it continued as it always had. Watching it a bit more carefully now, it's next freeze happened a month or so later. Long story short, the freezes starting happening at shorter and shorter intervals until at about 6 hours working on just two cores, I decided it was effectively dead. To this day, my assumption is the continuous heavy workload, from BOINC mostly, had effectivly killed the CPU.

    First question, is my assumption there good, is there another possibility?

    I bought another CPU chip, a 3GHz Core 2 on e-bay. Fitted it, I have been building machines for perhaps 20 years, so know what I am doing. Powered it up and it will not start, I get the BIOS messages, but it goes no further, quite repeatable. Looking around, I can't see a BIOS upgrade or anything missing.

    Second question, have I bought a duff chip, or is there another possibility?

    Lets leave it there, the post is becoming a novel.

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    Considering the computer is many years old at this point, I think you've probably got your money's worth from it. In any case, it's entirely possible that your power supply has failed, and can't provide sufficient power to run the machine anymore. Try a different power supply.
    What can this strange device be?
    When I touch it, it gives forth a sound
    It's got wires that vibrate and give music
    What can this thing be that I found?

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    I think CPU damage from running, rather than smashing, is exceedingly rare, so the PSU is a more likely bet. And to add, yes it's entirely possible that the replacement CPU you got off eBay is damaged. I had that happen once and it also booted but threw some (specific enough) error message.

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    I normally install a more powerful PSU than I'll need, I don't recall exactly how old it is, but it will not be the original. I doubt that would be the problem. When it is powered up, it powers up and stays up, just not doing anything, like a motherboard with the wrong BIOS or similar.

    I get nothing after the BIOS.

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    Quote Originally Posted by Fossaw View Post
    I normally install a more powerful PSU than I'll need, I don't recall exactly how old it is, but it will not be the original. I doubt that would be the problem. When it is powered up, it powers up and stays up, just not doing anything, like a motherboard with the wrong BIOS or similar.

    I get nothing after the BIOS.
    If you don't periodically open the case and blow the dust out, it will accumulate on anything with air flowing over it. This leads to overheating, and eventually failure of components. It doesn't matter how oversized the power supply is, it will eventually fail in this way, if routine maintenance is not performed every 6-12 months. Not to mention that fans eventually wear out, and then it's just a ticking time bomb.
    Epy likes this.
    What can this strange device be?
    When I touch it, it gives forth a sound
    It's got wires that vibrate and give music
    What can this thing be that I found?

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    All three of my machines operate without sides on the cases, I can see if there is any need for an airbrushing, and oddly, yes, I notice if a fan is not working.

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    Quote Originally Posted by Fossaw View Post
    All three of my machines operate without sides on the cases
    Are you aware that running without side panels can negatively affect airflow? If there's no clear inlet and exhaust, the hot air can go anywhere it wants, including places where it doesn't belong.
    Epy likes this.
    What can this strange device be?
    When I touch it, it gives forth a sound
    It's got wires that vibrate and give music
    What can this thing be that I found?

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    Indeed. The concept of air cooling relies on forced air.

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    If you recall, my question did not relate to cooling, airflow, cases etc. Perhaps you could tell me how running with the sides off, on a just started machine can generate enough heat to cause the CPU to fail to get anywhere at all.

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    Damage can be cumulative and insidious.
    What can this strange device be?
    When I touch it, it gives forth a sound
    It's got wires that vibrate and give music
    What can this thing be that I found?

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    Cumulative on a chip which I have never been able to get started. Intruiging.

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    It's entirely possible that the chip you bought on ebay is either defective or incompatible with your board.
    Epy likes this.
    What can this strange device be?
    When I touch it, it gives forth a sound
    It's got wires that vibrate and give music
    What can this thing be that I found?

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    Ah. Now we are back to the question I asked in the first message in the thread. The chip is a Core 2, I was asking if there were any BIOS upgrades needed for different versions of the chip. I looked, but have not found anything. I quite agree, it may be a dead chip, but rather than just chuck it out, I wanted to explore alternatives. Unfortunately, the normal route I have shows nothing needed. It is why I asked here.

  14. #14
    and the hat of int overfl Salem's Avatar
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    Unless you can plug both CPU's into an otherwise known working system, you're not going to be able to tell much without specialist diagnostic kit.

    The physical age of the computer is a big issue. All manner of things can start to rot.
    Electrolytic capacitors (especially in anything built to a price rather than a standard) are notorious for ageing badly.
    http://www.vuse.vanderbilt.edu/~kout...aya_Goebel.pdf
    Both physical age and time in use are contributing factors - you've been running it 24/7.

    All those fine tracks of copper on the motherboard, and all those solder joints are points of failure as well.


    A recent laptop of mine failed for largely the same reason. It was fine when it was up and running (and warm).
    But on cold days, it took an increasing number of boot attempts to inject enough warmth into it to make it work. Eventually, it just wasn't worth it.
    Elkvis, laserlight and -Adrian like this.
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    Yes, Salem, I can plug the two chips into a system. The CPU I took out to replace works, for a while, the new I got from the e-bay sale does not even start. Neither chip are suitable for transplanting into this box which has a Pentium level processor. Both machines have run side by side crunching BOINC, I do not accept the environment issue.

    I have used electrolytic caps for 35 years, I know their problems, but motherboards come with the caps their manufacturers have chosen, I cannot change that. Almost all of my systems have been ASUS based,I don't recall the reasons I put an MSI in that one, I did, and must have had a reason.

    Summing the situation again.

    I have a CPU chip that will start and run for a while, I have a CPU chip that will not start.

    The question I asked at the outset has been dodged and avoided, but I am no further forward. My plan for this season was to change out this system for an i7, but may re evaluate this.

    <Off topic>
    It is nice to see you are still around here. You were always one of the good guys. I resigned my mod status after a row with Kermi3.

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