Upgrading Your Tandy, For Users of the 1000 series Computer; A, EX, HX, SX, TX, SL,TL, SL/2, TL/2, RL, TL/3, AND RLX.

A source for users seeking to increase the abilities of their 1000 series Tandy Computers. Contents of the book include hardware from DRAM to Keyboards. Operating systems to compatibility. Motherboard diagrams. has index. Not supertechnical, more for the hobbiest probably.