IBM PC AT user's reference manual
HELD, Gilbert
IBM PC AT user's reference manual - Hasbrouck Height, NJ : Hayden 0 - 453 p.
IBM Personal computers
005.265 R I15 / I15
IBM PC AT user's reference manual - Hasbrouck Height, NJ : Hayden 0 - 453 p.
IBM Personal computers
005.265 R I15 / I15