This is my version of a quick and simple adapter that allows you to use your laptop charger/ power supply to power your computer CDROM. It's a lot smaller and less cumbersome than say a full sized computer PSU.
For more info, you can visit my webpage here
I used my Case/Safe
to build this project.
You can also take a look at my other instructables:Portable Bug ZapperHow to dismantle a CRT MonitorEFPU