I am looking for some good sites, lists, groups etc. on interfacing and prototyping with IBM-PC's. Specifically I am looking for: 1) Other IBM slot prototyping boards, other than the JDR board I aware of already. Should have a breadboard area and provide decode logic. Would just like to compare other products to the JDR boards, if any. 2) Schematics for the needed decoding etc. for COM ports, this obvisouly pretty standard , so why re-invent the wheel some schematics must exist on putting COM ports into your own designs. Should be COM1-3 selectable and IRQ selectable. Creating both RS-232 and TTL COM/serial ports is needed for some of the interfacing I need. 3) Other resources on creating/developing your own PC interface cards for various types of interfacing. I am working on creating a board which will meet some of the interfacing needs I have in one board versus having 2-3 or more devices that have to keep getting swapped around or multiple PC's etc.. Thanks! Rick christian The NOSPIN Group is now offering Free PC Tech support at our newest website: http://freepctech.com