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Appendix C
Specifications
Main Unit
CPU
8OC286
microprocessor, 8 MHz
or
12 MHz
clock speed; switch selectable
Main memory
1MB (640KB standard and 384KB
extended)
Math coprocessor
80C287 coprocessor (optional), 8 MHz
Interfaces
Parallel
Standard 8-bit parallel, 25-pin, D-type
female connector
Serial
RS-232C, programmable, asynchronous,
9-pin, D-type male connector
--
Video
9-pin,
female connector supports MDA,
CGA, EGA, and extended EGA
External
diskette drive
15-pin, D-type female connector
Expanded keyboard Keyboard connector
Speaker
Option slot
Internal
One
2/3-size,
IBM PC AT-compatible slot
Memory
Internal RAM memory card slot allows
expansion to 2MB; 40-pin male connector
--
Specifications C-1