- May 29, 2002
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I am building a small-form-factor computer (using an Epia M), and I want to have as small a power supply as possible. Right now it's running of a normal microATX PSU, but I would like to have a DC/DC power converter like is used in (I guess) laptops and some mini-itx cases, where I would have an external power brick supplying 12v to the converter, which would output the 12v. 5v. -5v, etc as well as have the ATX power on/off and whatnot... Does anyone have a suggestion on where to find one of these or how I could wire one up myself? I'm pretty sure I could figure out how to step down the voltage and all, but I don't know how the power on/off control works.