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    #1

    MSI 845PE Max-L

    I have a MSI P4 845PE Max that is the basis of a security surveillance system that is suffering from reboots. I found the culprit to be two failed Teapo 6.3v 1000uf caps located near the AGP slot, see below. The system was adequately cooled (loud) and dust was not a factor due to a filter on the intake. The caps around the CPU are UCC and Panasonic and look fine.

    Full shot of board
    Failed Teapos
    Lower half of board

    As you can see from the images there are several of the Teapos spread about the board (mostly on the lower half) all of them of the same type 6.3v, 1000uf (17 in total), and the rest of them look fine. At minimum I was thinking I should pull the caps around the AGP and RAM slots. Are there any I can leave or should they all be pulled and replaced?
    Last edited by Operandi; 08-31-2008, 09:49 PM.
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    #2
    Re: MSI 845PE Max-L

    Hello and welcome to the forum!

    Leave the UCC and Panasonic caps alone, they are okay. Replace all the TEAPO 1000uf 6.3V caps, if two of them fail then the others may fail in a short time period.

    I recommend ordering these caps from Digikey to replace the failed 1000uf 6.3V TEAPO caps on your motherboard: http://search.digikey.com/scripts/Dk...me=565-1878-ND
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      #3
      Re: MSI 845PE Max-L

      In case anyone was curious this story did have a happy ending...

      I ended going with Rubycons from Topcat, enough for every Teapo on the board. I suppose I could have saved a bit and went with something from Digikey but this being part of a security system that could be in service for quite awhile I figured the Rubycons were justified.

      The recap went fine aside from the one cap by the PS2 ports being a 400uf 16v cap. You couldn't read the value due to how it was positioned so luckily I noticed after it was pulled. That cap went back in but I'm sure it will be fine given its role and low value. The rest of the caps were all UCC or Panasonic and those stayed in place.




      Unfortunately it seems the video card was damaged due to the failed Teapos. The post screen was garbled (see pic below) and windows would crash after a few mins at the desktop.




      Once the video card was replaced the system was rock solid. Two passes with Memtest 86 and 24 hours of Orthos = happy ending.


      Last edited by Operandi; 10-02-2008, 05:53 PM.

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        #4
        Re: MSI 845PE Max-L

        I have a similar motherboard, it's instead the MSI 845E Max.

        Last year, I gotten a used Radeon 9800 Pro and the video suddenly gotten corrupted when all I was doing was running a HDD wiping utility.

        But it would sometimes clear up if I reseated the video card, only to come back again.
        Now, that don't sound like bad caps, more like a messed up video card.


        Even the BIOS screen gotten corrupted with the Radeon 9800 Pro.

        Was suspecting a hairline crack somewhere on the Radeon 9800 Pro.

        It was always fine when I had a GeForce 4 Ti 4200 in there!

        And when I put the GeForce 4 Ti 4200 back in there, it was fine.
        Last edited by RJARRRPCGP; 10-06-2008, 12:24 AM.
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          #5
          Re: MSI 845PE Max-L

          Even in a non dusty environment, all it takes is one piece of hair in the slot to do crazy stuff.
          Could be compressed air would help.
          I once had a small dog hair that ruined a weekend for me till I saw it.
          Jim

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