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Laptop · 1993ObsoleteRare · 65
PowerBook Duo 250
M1933 · PowerBook era
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Identifiers
| Order number | M1933 |
Reference
| Original price | $2,600 |
| Announced | 1993-10-21 |
| Discontinued | 1994-05-16 |
| Max supported OS | Mac OS 7.6.1 |
| Design era | PowerBook era |
Configurations
| Colors | Dark gray |
| CPU | Motorola 68030 @ 33 MHz |
| Memory | 4 MB, 8 MB, 32 MB (max) |
| Storage | 200 MB SCSI HDD |
| Graphics | Built-in active-matrix greyscale |
| Display | 9.1″ active-matrix greyscale (640×400) |
| Operating system | System 7.1, System 7.1.1, System 7.1.2, System 7.5, System 7.5.1, System 7.5.2, System 7.5.3, System 7.5.5 |
Physical
| Ports & connectivity | 152-pin Duo Dock connector · Mini-DIN-8 serial (printer) · 3.5mm audio out · ADB (via dock) |
| Dimensions (W×H×D) | 276 × 36 × 218 mm |
| Weight | 1.9 kg |
Known quirks
- First Duo with active-matrix screen — much better than 210/230 passive
- 33 MHz 68030 bump over 230's 25 MHz
- Greyscale only — color Duos didn't appear until the 270c
- Still only works expanded via a Duo Dock