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Appendix: Additional Osborne 1 Information

Monitor:

Monochrome CRT, 60 columns

Floppy Drives:

2, 100kb 5¼ " drives

Ports:

IEEE488, RS232

Modem:

Internal, RJ-11 plug

External Video Output:

NTSC composite

Processor:

Zilog Z80A, 4Mhz

Random Access Memory:

64 Kb

Year introduced:

1981