Question about Dell Precision Workstation 670 PC Desktop

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Noisy piece of "Dell" lol

This is charles516. some pc history. precision 670 board. i'm dealing with 2 precision computers. one died with bad caps. so i got a 670 board at a good price. free.. nice huh? vitually the same as the 470 board. so installed it into the 470 box. put in the 2-> 2.8 gig procs and the vrm. so far so good. starts up sounding loud like you'd expect. after boot up it gets to the normal sound but cycles as we all know they could. and not loud at all. no problem to me there. BUT, when it ramps up to speed it is deafening and cycles very loud at this rate and NEVER drops from this range of speed. By the way, the 670 board fit into the 470 box just fine if you didn't catch that. Only the primary cpu fan did the high speed thing. Not the secondary one. Hmmmm. So i put in the zeon 3.2 gig proc that i have and took out the 2 procs. , 2nd fan and vrm. Fan does absolutely fine and never does the high speed noise thing at all with a single proc in it. So, what do you think? Kick it to the curb? thx for looking at this. charles

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  • charles516 May 20, 2009

    caps are a standard problem on several Dell boards. They got a killer deal on capacitors a few years ago. And what a deal it was. :) this was the 3rd board gone bad starting with the original board installed. procs, vrm, board, ram psu, you name it it's all been changed twice. just bad caps. I could always switch psu from other unit to see what happens.... and cooling in the box is all factory. 1 hard drive, a 40gig ide drive. So i'm not stuffed with components in there. And the 2 2.8 gig procs and vrm work wonderful in the other 470 board. that may be useful to know. thx

  • charles516 May 21, 2009

    I was definately considering tossing the board. But it is a challenge to figure out. A curious problem for the back-burner. If i hang on to it I'll play around some. If i come up with a solution that corrects the board or something that i missed, then I'll send word on this string. thank you very much for taking the time. Charles

  • charles516 Jun 02, 2009

    The problem with the caps was that Dell got one of those killer deals. Just bad caps from manufacturer on the original mobo. I researched this awhile ago for gx270/280 boards. I haven't swapped out the PSU yet. Been using the other pc with the 470 board. The 670 board which is in question has the newer aluminum looking caps on it and all looks well visually. It does fine with one 3.2 gig proc. I back-burnered this for the moment. This was the free mobo. But I'm not giving up entirely. Just giving time to think of a new angle of attack. thanks again. Charles


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That's a confusing description of the events charles.

Have you identified the cause of the original problem - the dead caps? Is Over Voltage a possibility - have you verified the stability of the PSU?

Apologies if I've misunderstood.

noisy piece of Read more >> Options >> answers-logo.gif

Posted on May 20, 2009

  • NL71 May 21, 2009

    If the board has an intrinsic weakness due to poor components, I can only suggest ditching it and replacing with an appropriate alternative.

    It's unlikely you are going to manage to obtain stability or medium to long term reliability with a mobo that has such a major basic flaw.

    Unless you are willing to get busy with a magnifying lamp, soldering iron and desoldering pump and have several hours to dedicate to the boring task, I'd definitely look for a cheap alternative.

    I suspect you already are thinking along those lines.

  • NL71 Jun 02, 2009

    Thanks for the update Charles. I'm still curious regarding the cause.

    Best of luck, please let me me know how it goes.

    I admire your determination; it's rarely seen now.


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