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 Post subject: Power button
PostPosted: Thu Dec 28, 2006 12:03 pm 
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Joined: Sat Oct 28, 2006 9:01 pm
Posts: 119
Location: California
Would anyone be able to show me a wiring diagram for a on switch for a computer. I think I would use a momentary contact switch (ie push button) but I don't know how it is wire into the mobo.

Also I need to know how to wire the power LED and HD LED. Any info or direction wold be much appreciated.

Thank you all in advance. (unless i end up fying my mobo with your advice
:wink: )


-regal196


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 Post subject:
PostPosted: Thu Dec 28, 2006 12:16 pm 
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Joined: Sun Sep 21, 2003 11:23 am
Posts: 1845
Location: Vancouver, BC, Canada
You'll need to check your manual for that information. That will tell you which two pins are used for the power switch. Then, just hook the momentary contact switch up to those two pins. Simple.


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 Post subject:
PostPosted: Thu Dec 28, 2006 12:31 pm 
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Joined: Sat Oct 28, 2006 9:01 pm
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Location: California
Thank you, is that the same for the LEDs?


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 Post subject:
PostPosted: Thu Dec 28, 2006 12:47 pm 
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Joined: Fri Jan 23, 2004 7:50 am
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Location: Baton Rouge, Louisiana
Yes, and note that LEDs will only work if the polarity is correct. As with all diodes, light emitting diodes only permit electricity to flow in one direction. Thus, if the LED doesn't light up it may be because it's connected the wrong way.

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Isaac Kuo


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 Post subject:
PostPosted: Thu Dec 28, 2006 12:48 pm 
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Yes, although I believe that some LEDs are sensitive to polarity. Motherboards are designed to be connected using little "jumper" style connectors. Just look up the section for the "Front Panel Connector" and that should tell you everything you need to know.


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 Post subject:
PostPosted: Thu Dec 28, 2006 2:34 pm 
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Joined: Thu Dec 08, 2005 1:40 pm
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Location: Sweden
It helps a bit if you have some wires with the motherboard-contact from an old case


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 Post subject:
PostPosted: Thu Dec 28, 2006 3:40 pm 
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Joined: Sat Oct 28, 2006 9:01 pm
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Location: California
i don't have an old case to hack up :wink: but i am making a custom case, out of wood. Thank you for the info on LEDs, i've had a bit of practice with making circuits (ie resistors, LED, potentiometers, 555, etc) at school, so i'm not a complete idiot :D . Thank you all for the information.


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 Post subject:
PostPosted: Thu Dec 28, 2006 4:17 pm 
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Joined: Thu Dec 08, 2005 1:40 pm
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Location: Sweden
Your school, the local computer store or any big company might help you with those ;-)
DIY is respect in the geek-world ;-)


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