It's still a bit too demanding. For one thing it isn't there duty. I would like to know the where the pins of the Z80 go, so we can do some really cool stuff. Don't know what but anywho. Umm actually your letter is good, but the stuff about TI's duty and just say that we would generally like more info. If that dosn't work then maybe we should get a bit more agresive. >From Conway