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ASrock 939 Dual Sata2

Discussion in 'Motherboards & Memory' started by Kirby, May 15, 2006.

  1. Kirby New Member

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    Purchased a ASrock 939 Dual Sata 2 / Athlon64 3500+ combo and when I installed it with all the connections made, brass standoffs in the case etc I can not get the unit to post or even power up, just a very short beep and immediate shutdown. Have tried several things unplugging all drives, removing ram, using different ram, using no ram, removing AGP card etc. and have the same result.

    Athlon64 3500+
    Antec SmartPower 500W
    Leadtek WinFast 6800LE AGP Card
    Corsair XMS 2x256 PC3200 ram
    WD800JD Sata Drive (80gig)

    Any suggestions are greatly appreciated.
     
  2. EnglishLion

    EnglishLion New Member

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    Are you sure you've got the power switch/reset button etc connected correctly on the mobo? When I turn on the switch on my psu, I get a quick beep and the fans spin for about 1/2 a second, then of course I hit the power button and it fires up. It sounds like a power connection issue to me if it's on and off that quickly! Either that or the CPU's duff, are these tested components or just been bought new?
     
  3. markkleb Guest

    take it out of the case and assemble it on a table. Than try it. The syand offs could be causing a short.

    Also check out the jumper for the bios battery.

    If you are using a floppy check out the power cable (sometimes they are moved over 1 pin and the comp wont start)
     
  4. gR3iF

    gR3iF New Member

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  5. Kirby New Member

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    Tested outside of case

    Just did a test outside the case and the thing fired right up. I think it is either the brass standoffs or the I/O shield causing a short problem not sure. Are the plastic standoff a better solution?
     
  6. markkleb Guest

    not really. But I do put 3 down the right side cause its easoer to fit the mobo.

    probably not the I/O sheild. Check the standoffs cause 1 is probably in the wrong hole.
     
  7. Kirby New Member

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    standoffs

    All the standoffs match the mounting holes and I have no extra standoffs installed. The System Panel Header has a two pin Power LED connector and my Antec X830 case comes with a three pin Power LED connector since I cannot connect this is this my problem? The Power Switch connector is two pin and so is the case connector so I have no problem connecting it. All other System Panel Headers connections can be connected with no problem it's just the Power LED connectors do not match up.
     
  8. markkleb Guest

    No, its not the prob. There has to be some metal touching the mobo somewhere.

    Here is hoe to fix the Led, Use a sharp thing to lift the tab of the green wire and move it over to the middle. (dont poke urself)

    Or you can cut the 3 pin conn in the middle.

    Sorry my camera sucks but you should get the idea..
     

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  9. Corrosion

    Corrosion New Member

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    on the top of the mobo to the left there is a 4 prong connector from the power supply, u may have not seen it, i didnt then i saw it once i got all my parts in.
     
  10. Kirby New Member

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    Markkleb...many thanks for the pictures I'll give it a try. Off to work I will see what's up with the case tonight and see if I can uncover the shorting problem.

    Corrosion I think you talking about the 12 volt 4prong connector and I do have it connected thanks anyway.
     
  11. Kirby New Member

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    Power LED

    Stupid question which wire is considered the + and which is the -? Is the green + and white -?
     
    Last edited: May 16, 2006
  12. markkleb Guest

    Green is the + / white is the -, if you put them on backwards its ok just the LED wont work.:toast:
     
  13. Kirby New Member

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    Thanks MarkKleb for all your help.
     
  14. markkleb Guest

    No prob...
     
  15. Kirby New Member

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    There is a definite short I think it is the brass standoffs. They are 8.5mm height standoffs so there no way the board is touching the mounting tray. It must be a short through the standoff it's a Antec SX830 case. Any Ideas how to cure this problem. Cannot install plastic standoffs as this case only accepts screw in brass ones.
     

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