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I am having a problem connecting my power supply to my motherboard i can plug in everything except the one connectors that require a connection to a part called PWR-LED

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Take a look at the picture below:
i am having a problem - 6b13a3a.jpg

If I am right, the Front Panel connector should look similar as shown above (it's an assumption since you didn't mention the Motherboard's name and version). Look at the front panel connector on the motherboard carefully, you'll see similar name/indicator as you are seeing on the above picture like Pled, Hdled etc... I hope the front panel connector has 9 pins, and remember, one should be left without any connection.

Simply you have to connect the two female Pwr-Led to the Pled+ and Pled-, and Power to Pwr and Gnd, the same sequence with hard disk led and Reset switch as Hdled+ and Hdled- and Gnd and Reset respectively.
If the front panel connectors on your motherboard has less than 9 pins, then I am sorry, I have no idea about it and I am afraid if it exists or not.

If you still have the problem, let me know.

Good luck.

Thanks for using FixYa.

Posted on Aug 01, 2010

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Most motherboards now have a 24-pin power supply connector. If you haven't already found a diagram showing the pinouts of the 20- and 24-pin power plugs, here's one borrowed from a handy site:

pgh_pa_guy_1.jpg

The two plugs are essentially the same, but the 24-pin version duplicates some voltages on the extra pins. The extra pins in the larger connector were meant to provide extra current paths for voltages that see heavy loads from newer processors and motherboard circuitry. Depending on how a motherboard is designed, it might work with a 20-pin plug connected (leaving pins 11, 12, 23 and 24 empty). But typically if the board has a 24-pin connector it needs the 24-pin power supply plug.

Most power supplies have a 20-pin plug with a separate 4-pin section that fastens to it for connection to a 24-pin mobo connector. It typically has one side designed to slide onto the end of the 20-pin plug, essentially turning it into the 24-pin version. This added plug does not have a retaining clamp on its side, so you can tell it from the the 4-pin CPU power plug. The wire colors are also different. For reference, here is the processor power plug, from the same website:

pgh_pa_guy_2.jpg
New motherboard specs call for the separate processor power connector for the same reason the extra pins were added to the power supply connector: to handle the high currents needed by increasingly faster CPUs.

When the motherboard has these connectors, you need to use them all to get everything working. Hope this helps. Thanks to smspowersupply.com for the diagrams, and thank you for using Fixya.

moz-screenshot-1.png

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some motherboard may have not only 1 but to power connectors, check your motherboard manual to ensure you're plugging everything that you need to plug (no more or less.. just about everything that needs to be plugged.. depending your motherboard and cpu power requirements.

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