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Emac Fan Project

1108 Views 18 Replies Latest reply: Dec 7, 2012 11:33 AM by BDAqua RSS
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missinglina Calculating status...
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Nov 2, 2012 2:46 PM

Hi All. Does anyone have user jon gallet's PDF that he put out in this archived discussion a long time ago: https://discussions.apple.com/thread/1102201?threadID=1102201&tstart=0

 

It's his instructions for installing the fanmate 2 on the emac. Just feel like tinkering with it and find it intriguing.

 

Just thought I'd ask.

 

Thanks.

  • BDAqua Level 10 Level 10 (114,675 points)
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    Nov 2, 2012 4:50 PM (in response to missinglina)

    Hi, only thing I could think of after 100 different ways of searching, was to ask Roam who was in on that post & a member here & n my site, to see if he might have it.

  • roam Level 6 Level 6 (13,545 points)
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    Nov 3, 2012 2:54 AM (in response to missinglina)

    Hi Missinglina, Hi BD,

     

    I'm not sure jon gallet ever got around to publishing his adventure with the eMac fan. I've looked but I don't have it. Most of the working information came from a french site/blog macbidouille who modified an eMac.

     

    Using a Zalman Fanmate controller, apparently still available from this site,

    Zalman Fanmate 2

     

    and then its wires needed adapting to the eMac circuit which is where macbidouille comes in.

    In this link, which translates the French to English, he details how he adapted it to the eMac.

    Making a silent eMac by macbidouille

     

    He even provides sound recordings of the quieter fan before and after.

    The only thing that has changed is the Zalman fanmate 2 is a bit different and so the modification instructions may need to be adapted.

     

    On the fan itself, I think Apple over engineered it to in line with making the eMac the robust machine it is, and doing this made it noisier than it needed to be. It certainly has room to run a little slower and still keep things cool.

    iMac, Mac OS X (10.6.8), 10.5.8 iBook 10.3.9
  • BDAqua Level 10 Level 10 (114,675 points)
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    Nov 3, 2012 11:44 AM (in response to roam)

    Thanks roam!

  • Pistooli Calculating status...
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    Nov 17, 2012 12:17 AM (in response to missinglina)

    I have done this mod myself and tried to document it as much as possible...

     

    http://forums.macrumors.com/showthread.php?t=1330492

     

    The only trouble was indeed to found out the wiring.

     

    Hope it helps!

  • roam Level 6 Level 6 (13,545 points)
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    Nov 17, 2012 1:03 AM (in response to Pistooli)

    Thanks Pistooli for the updated information on wiring the fanmate2. I have made a document of your page and the other macrumours page for reference.

  • Pistooli Level 1 Level 1 (25 points)
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    Nov 17, 2012 1:06 AM (in response to roam)

    Cheers

  • Pistooli Level 1 Level 1 (25 points)
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    Nov 23, 2012 12:30 PM (in response to missinglina)

    yes, correct, wire splicing...

     

    as for the fan speed settings, I have no idea. I just used a speed, when the fan is barely audible. I personally left the controller piece outside, applying a long enough wire.

     

    Good luck!

  • Pistooli Level 1 Level 1 (25 points)
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    Nov 28, 2012 1:32 AM (in response to missinglina)

    If you have followed the wiring, then not problems could occur from that side. I remember having the same shock also, but was able to start it after all. Do not remember anymore if I did anything special, though, to revive it.

  • roam Level 6 Level 6 (13,545 points)
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    Nov 28, 2012 2:00 AM (in response to missinglina)

    the eMac won't turn on!  It makes a click and the screen makes a sound like it receives current but nothing else.

    This has been known to occur before, though exactly why is unclear. My theory is that the circuit to connect the on button to the power supply, requires bridging a low voltage circuit to a high voltage one, which would likely involve a capacitor with a stored voltage to connect the circuit.

    By disconnecting the circuit, the capacitor voltage is disappated, and because if its age may not be as responsive when being recharged.

    The solution can often be to leave the eMac plugged into the mains power, switched on at the wall and allow the trickle charge of electricity to fill that capacitor. You might have to leave it for several hours or even overnight before you will get it to boot.     

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