I've got a Laser 128 Personal Computer, but no way of finding out if it works, as it's missing a power cable, or possibly an external power supply?. It has DC 15V engraved over where the power cord is supposed to go, and 7 pins arranged in a circular pattern. I need to find either pinouts, or an actual cord for it. Anyone have an idea as to where I can find either of these? Thanks, Gen