Epson 20020 Benutzerhandbuch

16-bit CPU

Main memory

ROM

Math coprocessor

Diskette

Hard disk

80286 microprocessor; 8 or 12 MHz

clockrate, switch-selectable

Real address (8086-compatible) and

protected virtual address (multi-tasking)
modes

24-bit address and 16-bit data bus

640KB RAM on memory card;
expandable to 15.5MB maximum with
expansion cards

32KB, expandable to 64KB, selectable
alternate ROM for custom use

80287 (8 MHz) support (optional)

Supports up to two drives available in any
of four formats: double-density (360KB),

double-density (720KB), high-density

(1.2MB), or high-density (1.44MB);

controller on multi-function card

Supports up to two drives available in
multiple formats; installs in 16-bit option

slot, ST 506/412 interface

Specifications

A-1