Byers, T J. Inside the IBM PC AT / By TJ Byers. - 1st ed. - Singapore : Mc Graw Hill Book Company , 1987. - viii,309p. ; PB 21.3 cm ISBN: 71001484 Subjects--Topical Terms: Initial system setupVideo and graphicsMultitasking with top view Dewey Class. No.: 006.62 / BYET