TRS-80 Model 4

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TRS-80 Model 4

Introduced:
CPU:
RAM:
Screen:
Disk Storage:
Operating System:
Language:

April 1983
Zilog Z80
64k or 128k
80 columns by 24 rows
180k per side
TRS-DOS 6.0 to 6.2, LS-DOS 6.3
Microsoft BASIC

The Model 4, the last of its line, was released in April 1983. It had a Model III mode for backward compatibility, but featured a faster processor, and better display in its native Model 4 mode.