resoldering a pin on a pentium cpu??

Discussion in 'Electronic Repair' started by Dilligaf, Feb 13, 2006.

  1. Dilligaf

    Dilligaf Guest

    I've got a socket 370 PIII chipset that had one of the pin separate.
    Anyone here had experience in re-attaching these.
    The break is clean( the copper trace on the chipset itself is visible
    and exposed.) and the pin has a bit of the board resin on the tip so
    it should be possible to re-attach it.
    Just concerned about applying a solder tip to the chip itself.(I do
    have a range of irons, from 20 watts up to 150.)
    Or is there a cement that could be used?
    Oddly enough the chip seemed to work when it was swapped out to
    another tower though I didn't run any heavy load on the system to
    checck it out.(Booted up just fine with bios correctly identifying the
    chip with no beeps or hangs.)
    If it's not advisible to try soldering I suppose it might work to
    manually drop the pin in the correct hole in the socket and put the
    chipset with enough pressure to make contact and lock it in place with
    ziff latching lever.
    Any advice is greatly appreciated.
     
    Dilligaf, Feb 13, 2006
    #1
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  2. Dilligaf

    Guest

    Looks like you were lucky-- most chipsets have many duplicate power
    pins-- your broken pin is likely one of those. It should work fine as
    there's likely at least five other similar pins.
     
    , Feb 13, 2006
    #2
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  3. Dilligaf

    Dilligaf Guest

    On 13 Feb 2006 05:26:03 -0800, wrote:

    >Looks like you were lucky-- most chipsets have many duplicate power
    >pins-- your broken pin is likely one of those. It should work fine as
    >there's likely at least five other similar pins.

    Thanks for the info.
    Is there a pinout for pga370 chips on the web anywhere?
    This particular chipset is a Pentium PIII but doesn't have any
    identifying info on it to tell what model or gen it is. ( It is a
    800mhz, that from the bios info on boot up, but no serial # there
    either.)
    Thanks again.
     
    Dilligaf, Feb 14, 2006
    #3
  4. Dilligaf

    Ray L. Volts Guest

    "Dilligaf" <> wrote in message
    news:...
    > On 13 Feb 2006 05:26:03 -0800, wrote:
    >
    >>Looks like you were lucky-- most chipsets have many duplicate power
    >>pins-- your broken pin is likely one of those. It should work fine as
    >>there's likely at least five other similar pins.

    > Thanks for the info.
    > Is there a pinout for pga370 chips on the web anywhere?
    > This particular chipset is a Pentium PIII but doesn't have any
    > identifying info on it to tell what model or gen it is. ( It is a
    > 800mhz, that from the bios info on boot up, but no serial # there
    > either.)
    > Thanks again.


    Everything you ever wanted to know about the P3 (and a hell of a lot more):

    ftp://download.intel.com/design/PentiumIII/datashts/24526408.pdf

    Pinout begins on pg. 68
     
    Ray L. Volts, Feb 14, 2006
    #4
  5. Dilligaf

    Andy Cuffe Guest

    On Mon, 13 Feb 2006 07:23:25 -0600, Dilligaf <>
    wrote:

    >I've got a socket 370 PIII chipset that had one of the pin separate.
    >Anyone here had experience in re-attaching these.


    As others have said, if it's working, you should leave it alone.
    Chances are good that it's a power or ground pin. It could also be a
    pin that's not needed on that CPU (eg. a multiplier pin that's set to
    open circuit for that speed CPU). It is possible to solder these pins
    back on, but it's not something for a beginner. If you get any nearby
    pins hot, they will fall off and a solder splash would be almost
    impossible to clean up.
    Andy Cuffe

     
    Andy Cuffe, Feb 14, 2006
    #5
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