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Thread: 650W PSU blew up my dual XEON setup

  1. #1
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    650W PSU blew up my dual XEON setup



    Recently I bought some used/new parts off e-bay.

    Supermicro X6DVL-EG2 systemboard (almost new)
    2 x XEON 3GHz 800FSB 2M CPU (used)
    2 x 512MB DDR2 PC3200 (new)
    2 x CPU fans (new)
    650W PSU (new)
    Case (new)

    Pentium 3 systemboard (new, for a family friend)

    I initially connected it all up as a single processor as I Im still waiting for the other one to arrive. On testing everything works fine for a few days. Today, the second CPU arrived, popped it in and all worked well.

    I noticed, the PC have shutdown. It then refuse to boot up. The PSU appear to have a loose connection inside, each time I hit the supply the PC will shutdown. I can see it was only a connector so I decided to open the PSU and fixed it.

    Booted up the PC again, all was fine until this time the power plug/socket on the PSU made a crackling noise. PC shutsdown again but this time it refuse to bootup.

    Now am a little lost, I was thinking it must be a bad systemboard as it was a second hands.

    Tried the new 650W PSU on the new P3 sytemboard for a family friend. Nothing, just flickering LEDs. Open up the PSU again and clean the powerswitch with a contact cleaner. Still, that new P3 board wont power up, it was working before with a different PSU. Im now conviced that theres something wrong with that 650W PSU.

    Tried another old systemboard and this time the 650W PSU powered it up nicely. I knew I was in dip **** then

    The bad connection on the PSU switch that made that crackling noise, sent some spike and must have killed both of the xeon and the P3 systemboard.

    Im just hoping the 2 xeons and the mem are still ok.

    Lesson learnt, just because something is new it doesnt mean its not gonna do anything crap. I knows its a standard way of substituting parts to find whats wrong but be very careful when doing so.

    Now I have 2 blown systemboard + god knows what.

    I know I shoudnt have open the PSU, it was an easy fix and I cant wait to get a replacement under warranty.


    I been thinking about this before, does anyone know the situation if the PSU blew up the systemboard due to a manufacturing faults.



  2. #2
    MySQL Error Scouse Monkey's Avatar
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    Send Mr Hands round to see the guy who sold you the PSU!!!!

    He needs teaching a lesson!

  3. #3
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    Quote Originally Posted by Scouse Monkey
    Send Mr Hands round to see the guy who sold you the PSU!!!!

    He needs teaching a lesson!
    Damn right.

    I just discovered it also blew up the sound card.

  4. #4
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    ******* great...

    4 of the five 120GB HDDs are DEAD. One with very important data

    I feel like murdering someone

  5. #5
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    Raid card blown

  6. #6
    Variable Bitrate nadir_s's Avatar
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    damn, so wat's the running $$ total
    [ 5-spd 1996 M A X i M A SE ]

  7. #7
    MySQL Error Scouse Monkey's Avatar
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    Quote Originally Posted by Chris31

    I feel like murdering someone

    go take it out on Mo's ***!

  8. #8
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    Quote Originally Posted by nadir_s
    damn, so wat's the running $$ total
    Systemboard 250 DEAD
    3GHz XEON 2MB 250 Untested
    3GHz XEON 2MB 250 Untested
    512MB DDR2 PC3200 50 Untested
    512MB DDR2 PC3200 50 Untested

    Adaptec ATA RAID 2400A 250 DEAD
    Adaptec 2 Port USB 2 Card 30 OK
    Creative Audigy 2 SE 35 DEAD

    120GB IDE 70 OK
    120GB IDE 70 DEAD
    120GB IDE 70 DEAD
    120GB IDE 70 DEAD
    120GB IDE 70 DEAD

    DVD Writer 50 OK
    CDROM 20 DEAD
    FDD 10 OK

    CPU Fan 15 Untested
    CPU Fan 15 Untested

    PSU 40 DEAD


    Those are the approximate of the current price if bought retails. Some are bought a few months/years ago and I have paid alot more for it at the time.

    So far 875 (1,598 USD) worth of damages have been done by that ****ty PSU.

    My biggest fear is if the CPU and the memory are also dead. I cant test them yet as I dont have the M/B for them. Fingers cross they are gonna be ok but Im not too confident.

  9. #9
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    Quote Originally Posted by Scouse Monkey
    go take it out on Mo's ***!
    You may find it funny now but I doubt you be pleased if this same **** happens to you.

    **** FACE

  10. #10
    Variable Bitrate nadir_s's Avatar
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    damn bro, any warranty come w/ the PSU? Not sure how warranties work w/ em.
    [ 5-spd 1996 M A X i M A SE ]

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