keyboard specifications to all hardware and firmware gurus my current home project is to build a huge paddle keyboard for a physically handicapped relative of mine my goal is for this keyboard to look exactly like an at sytle keyboard to its host system this will be a highly endowed keyboard with a little pcl from z world at its heart the only thing i lack is detailed information on the hardware signaling that the with windows and dos will be expecting my project is independant of windows my hope is that some of you fellow window s users programmers will recognize what i need and be willing to point me in the right direction i have the winn l rosch hardware bible nd edition the hb gives most if not all of the information i will need concerning scan codes and even a wire diagram for the ps style connector i will need but it leaves a number of important questions unanswered is it synchronous or asynchronous serial communication i m guessing synchronous since the host is providing a clock in either event how is the data framed is it half duplex or truly one way i m guessing half duplex since the host can turn leds on and off are there any chipsets available for communicating with the at keyboard standard other than by cannibalizing a real keyboard if anyone knows of a book or article or any other written source of information on the above please advise me at gamet erg sri com whatever i do it must be safe for i cannot afford to replace the in the event of a booboo thank you for your time danke fuer ihre zeit thomas gamet gamet erg sri com software engineer sri international
