Question about Intel DG31PR Motherboard

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Followup on power connectors

Thanks for your thorough reply, map9966.

I just bought this board and a compatible CPU, and I also cannot boot, though I do have fan and LED power.

My power supply does have the 2x2 connector for the CPU, but it has only a 10x2 main connector, not the 12x2. The user manual says the board's 12x2 socket is backwards-compatible, but I wonder if that's true.

I've removed everything else from the machine now, read through the manual, and triple-checked all the connections. Do you think I need to get a replacement power supply with a 12x2 connector.


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  • ckweb1230 May 20, 2008

    Thanks again.

    Just to wrap things up here, an update. I did get a new ATX v2.2 power supply, but the system still would not POST. I ended up bringing the motherboard/CPU/RAM bundle back to the store where I bought it, for testing. They discovered that the BIOS needed an upgrade to work with the CPU (don't have the name and specs handy on the CPU). I let the tech take care of that, and now everything's hunky dory.

  • Boetman Feb 13, 2009

    no power to board

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Hi chweb1230, to answer you're question. Yes, I would suggest getting a power supply that would comply with the ATX main 24-pin power connector. The term backwards compatible references to boards that require less voltage, Ex; (A 20-pin main power board). If you intend to run serial ATA SATA drives & a PCI-E graphic card. The newer power supply will handle future upgrades. Suggest a 500 to 550W PSU should handle just about anything you add to the board.
chweb1230, when you make a post & are making reference from another post. Please copy & past that link into this post. If you are using a new user ID I can not look back & find what you are refering too.
How to vote you're expert & also how to repost more questions for same problem or to answer expert's questions for a posted question.
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Enjoy!
Mike

Posted on May 19, 2008

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