Hello to all that responded to my post; "Q: PC/AT Bus Pin-Out, Info/Hints/Tips" Thanks to all of you that replied. I was very happy with the number and quality of the response. I apologize for taking so long to reply, and for the fact that due to time constraints, this is arriving to you in the form of a 'Form Letter'. It has been outragously hectic here, as I am sure it is for all of you. My wife took ill and my business went crazy. Which I suppose is better than the other way around. Although there was that time when she got crazy, and decided that .... well involved whipped cream, anyway ... If ever I can help any of you out, please let me know. I have some 8051 routines as well as some PIC stuff. If I own it, you can have it. If it belongs to someone else, I can give details of the inner workings and how to acheive it, but not the source. I did visit all of the sites that you guys listed. It was all very helpful. I also enjoyed the various suggustions. You all know how to cut thru the B.S. and arrive at a good solution. Thanks again. Brent Pollock ccs@ewol.com Customized Controller Solutions Not taken as being snotty at all. This was very helpful to me, and I beleive that you were the only one to mention this import bit of info. Thanks At 11:49 AM 11/16/96 -0500, you wrote: >Not to be snotty, but an 8 bit card is perfectly acceptable in >"on of todays machines". > >In fact this is what I suggest: Buy a regular old 8 bit serial card with >socketed 8050/16450/16550 chip. Remove the chip and plug in a 40 pin >cable. You now have an interface to your box that's 8 bit, decoded, has