This is the first reference handbook to provide ready information software developers, application developers, and programmers on numerous IBM microcomputers. The Handbook contains up-to-date information, tables and control blocks about the IBM PC, XT, AT, IBM PS/2, Intel 8086, 80286, 80386, 80486, keyboard components, video components (including CGA, EGA, and VGA), co-processors like 80287 and 80387, RS 232C port, disk drives, BIOS, DOS, OS/2 services and much more.
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