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Dell Optiplex GX270 power switch

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JRChristenson:
I'd really like to wire an arcade button into the power switch on this thing but I can't find the red and black wires that should be so obvious. Any help would be appreciated.

TopJimmyCooks:
My optiplex 270 has a ribbon cable going to the front rather than individual wires, and I'm not sure if I will try to mess with it, or research the board to see if I can solder leads on somewhere else. 

Mine is the small form factor so may not be same as the case you are referring to.  Interested to see if anyone pops up with a good answer on this.

Vigo:
The power cable usually goes directly to the bottom corner of the motherboard. There will be a bunch of pins with tiny connectors on them. They are for things like power, reset and power LED. Certain motherboards may be different, but it is pretty standard for the pins to be in the bottom corner.

Just buy your own power cable instead of using the cable that goes with your computer case.




http://www.newegg.com/Product/Product.aspx?Item=N82E16812201029&cm_re=motherboard_power_switch-_-12-201-029-_-Product

Wire an arcade button to one of these, unplug the cable on your motherboard leading to the computer case power switch and plug your cable in there instead.

TopJimmyCooks:
Isn't the power supply to the MB part of the 20(?) pin MB connector?  My MB doesn't have a separate 2 pin connector I think. 

Could we just tap into the wire going from the power supply to the MB power pins?  momentary switch on that would be functionally the same, right? 

JRChristenson:

--- Quote from: Vigo on July 06, 2011, 03:09:27 pm ---Just buy your own power cable instead of using the cable that goes with your computer case.

--- End quote ---

Not a bad idea, but if it's a ribbon cable like TopJimmyCooks said, I can't just unplug it without disconnecting a lot of other things, right?

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