| Northstar Advantage, from 1982 | |
| CPU: | Z80A @ 4MHz |
| RAM: | 64KB |
| 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 |
| Notes: |
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. |
