Northstar Advantage

Advantage CP/M
Advantage 3D graph
Advantage Line Art
Advantage Text
Advantage Musi
Advantage 3D
Advantage Keypads
Northstar Advantage, from 1982

CPU: Z80A @ 4MHz
Floppy Drives: Two 5-1/4" double-sided drives, hard-sectored
Display: 12" Green (24x80, 640x240)
Ports: RS-232
Serial No.: 006964
OS: CP/M 2.2
ROM: 2KB, includes built-in mini-monitor
Original Price: $4,000

This system had several problems, including a bad Z80A (replaced), non-functional keyboard (replaced all the foam-and-foil pads), and a broken keyboard connector pin (fixed). The last picture is a before and after shot of the keypads. It came with manuals and two diskettes: CP/M 2.2 and the demo/diagnostic diskette.

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Last updated on Thursday, June 18, 2020