M20 Olivetti M20

Olivetti M20 technical specifications:

M20
Processor:
Zilog Z8001
Clock speed:
4MHz
RAM:
128KiB expandable up to 512KiB
ROM:
8KiB containing the startup and boot program
Operating systems:
PCOS, CP/M8000, MS-DOS (with the APB 8086 card)
Screen:
B/W, Green, Amber, 4 or 8 colors
Graphic resolution:
512x256 pixels
Text layout:
80x25 or 64x16 characters
Disk drives:
One or two 160KiB-320KiB-640KiB on 5"1/4 drives
Hard disk:
Optional 11.5MiB Winchester
Installed interfaces: RS232 and Parallel (Centronics), with proprietary connectors
Optional interfaces: Double RS232 (normal and current-loop) and IEEE488



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