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Appendix F
Specifications
CPU and Memory
32-bit CPU
Main memory
ROM
Math coprocessor
Controllers
Floppy disk
Hard disk
Interfaces
Serial
Parallel
80386 microprocessor, 8 or 20 MHz clockrate,
switch-selectable
Real, protected, and virtual 8086 modes
0 wait state (or 1 wait state selectable through
software)
32-bit address and 32-bit data bus
1MB RAM on memory card; expandable
using 256KB or 1MB SIMMs to 2MB, 4MB,
8MB, 10MB, or 16MB (maximum)
64KB
80387 support (coprocessor is optional)
Supports up to two drives in any of four
formats: double-density 360KB, high-density
1.2MB, double-density 720KB, or high-density
1.44MB; controller on SPF card
Supports up to two drives available in 40MB
or 90MB; ST506 or ESDI controller
RS-232C, programmable, asynchronous,
DB-9P male connector
Standard B-bit parallel, DE-25S female
connector
Specifications F-1