All Came across some schematics for our Intel iPDS units while doing a clean-up. Also, by a bit of a fluke, came across the Intel patent which actually explains what is going on inside the iPDS. They give an especially nice piece on the way the multi-processing works, and apart from a few typos where chip functions don't agree with the schematics, it's pretty useful. Also found some colour glossy brochures for the iPDS, in case anyone is interested. Cheers Jason