Pin assignment of Mac Mini's fan?

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Mac mini Unibody

Originally released on January 22, 2005, the Mac mini is a small form-factor desktop computer made by Apple Inc. Currently, it is one of the four desktop models in the Macintosh lineup, and serves mainly as an alternative to the all-in-one iMac.

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Raphael @raphael55798

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Posted: Oct 15, 2010

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Pin assignment of Mac Mini's fan?

Hi,

I purchased an used Mac Mini A1347, in which the fan runs constantly at full power.

Therefore, I opened it to check the plug connection.

I realized, that the four fan cables dont't have any plug and have been soldered directly to the board, where is also no plug any more.

I wouldn't rather know, what the previous owner has done... :(

Now I would like to check whether the wires were soldered at least on the correct contacts on the board.

Can you tell me the pin assignment of the fan connector?

If possible, both on the board and the cable coming from the fan?

(Eg, the first fan-cable should go to the second contact, etc.)

Very many thanks in advance and sorry for my bad English, I hope you understand, what I mean.

Raphael

Answer this question I have this problem too

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Edit: I don't think the reason is a broken temperature sensor, because iStat Menus gives me at all available sensors values, that make sense.

Other hand, no tool can tell me the fan speed, they all say 0rpm.

Therefore I think it is an incorrect wiring of the control line of the fan, so I hope for your help.

Thank you!

Oct 15, 2010 by Raphael

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Edit: I don't think the reason is a broken temperature sensor, because iStat Menus gives me at all available sensors values, that make sense.

Other hand, no tool can tell me the fan speed, they all say 0rpm.

Therefore I think it is an incorrect wiring of the control line of the fan, so I hope for your help.

Thank you! — Raphael