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Appendix f-specifications, Cpu and memory, Controllers – Epson 386SX User Manual

Page 251: Specifications, Appendix f

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Appendix F

Specifications

CPU and Memory

16-bit CPU

On-board memory

ROM

Math coprocessor

Controllers

Diskette

Hard disk

80386SX microprocessor, 16 MHz or
simulated 8 MHz clockrate, selectable

through a switch or through software

24-bit address and 16-bit data bus

1MB RAM on main system board;

expandable using 256KB or 1MB SIMMs

to 2MB, 4MB, 6MB, 8MB, 10MB, 12MB,

or 14MB (maximum); SIMMs must be

70ns access speed or faster

64KB

80387SX ( 16 MHz) support; coprocessor is
optional

Supports up to two drives in any of four

formats: 3

high-density, 1.44MB;

3

double-density, 720KB;

5

high-density, 1.2MB; or

5

double-density, 360KB;

controller on main system board

Supports up to two drives available in
40MB or 100MB; embedded controller

Specifications F-1