Appendix F

Specifications

CPU and Memory

32-bit CPU

Main memory

ROM

Math coprocessor

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)

Controllers

Floppy disk

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

Hard disk

Supports up to two drives available in 40MB

 

or 90MB; ST506 or ESDI controller

Interfaces

Serial

RS-232C, programmable, asynchronous,

 

DB-9P male connector

Parallel

Standard B-bit parallel, DE-25S female

 

connector

Specifications F-1