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A unibody aluminum generation of the Mac mini identifiable by the model number A1347, spanning the Mid 2010 to the currently sold Late 2018 model.

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Power supply output voltages?

What voltages does the internal power supply on the Mac Mini A1347 output? The guide mentions 12 volts, but there are a lot of conductors on that ribbon cable and most computers use voltages in addition to 12.

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Puan 1


I'm working on this same problem myself. So far I've determined that 4 of the wires from the internal power supply are +12V and 5 of them are 0V. I have a suspicion that at least one of the ground wires is a signal wire though.

I'm also trying to find out what kind of connector is used between the power supply and the 2011 Mac Mini A1347 as I'd rather not cut the wire supplied. So far I've noticed that the Mac Mini has a 9 pin header, whereas the power supply has 10 pins, one of which has no wire connected to it. I'm trying to run the computer directly off of DC batteries.

Update: The middle wire is definitely a signal wire. It goes to 2.5V when the Mac Mini is turned on.


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Here's the pinout on it:

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Puan 4


research +


I was wondering on the internal power supply on the A1347. Thanks though.


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