From: utzoo!decvax!ucbvax!CAD:tektronix!tekmdp!mikem Newsgroups: net.micro.pc Title: Re: memroy map request Article-I.D.: tekmdp.1665 Posted: Tue Jan 11 10:10:37 1983 Received: Wed Jan 12 07:52:46 1983 All the information you desire, and then some is available in the IBM PC Technical Reference, part number 6025005. I got my copy for $36.00 from the local Computerland. Mike Mihalik