RARE Mapping the ATARI Revised Ed Includes XL and XE Computers Ian Chadwick 1985
Spiral bound "Mapping the Atari" 1985. Atari 850 Interface Module Operator's manual (stapled 3 hole punched pages to cardboard). Parts List for 850 Bare Board (8 pieces of paper including a Schematic diagram of the Atari 810 Interface Module).