Any info at all on a motherboard's ability to protect the processor upon the detection of incorrect power input?

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cyon04

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Apr 24, 2012
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Any info at all on a motherboard's ability to protect the processor upon the detection of incorrect power input?
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It can be about the variety available on the market, a specific one of your choice, or the particular one that I am dealing with: ASRock FM2A75M Pro4+
 
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incorrect power input, well, first off those plugs will only go if they are supposed to. the shapes are different, there are very few where you can go wrong.
as for the rest, the psu should handle it (like accepting 110/220), over voltage protection, etc. that is if you have a good psu
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Cons29

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Feb 10, 2010
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incorrect power input, well, first off those plugs will only go if they are supposed to. the shapes are different, there are very few where you can go wrong.
as for the rest, the psu should handle it (like accepting 110/220), over voltage protection, etc. that is if you have a good psu
 
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Solution
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cyon04

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Apr 24, 2012
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10,540
Well lets say you attempt to make your own molex to 4 pin connector and then plug it into the processor power along with the psu's 4 pin connector in an attempt to make a 8 pin connection and all you get is a slight twitch of the cpu's fan. The key here is I used the molex's red wire to connect to one of the yellow wires in one of the 4 pins.

half of the 8 pin:
Red = +5
Yellow = +12
Black = Ground
Black = Ground

and on a different rail, a proper 4 pin for the other half.

It started up when I rewired my adapter the right way just so it could tell me that both 4 pins need to be coming off the same rail with the 5 beep code meaning process failure. That was probably a mistake the the manufacturer predicted but with that extra 5 volts it wouldn't even budge.
 
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