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Laptop · 1992ObsoleteRare · 65
PowerBook 160
M4550 · PowerBook era
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Identifiers
| Order number | M4550 |
Reference
| Original price | $2,479 |
| Announced | 1992-10-19 |
| Discontinued | 1993-08-16 |
| Max supported OS | System 7.5.5 |
| Design era | PowerBook era |
Configurations
| Colors | Dark grey |
| CPU | Motorola 68030 @ 25 MHz |
| Memory | 4 MB, 8 MB, 14 MB (max) |
| Storage | 40 MB SCSI HDD, 80 MB SCSI HDD, 120 MB SCSI HDD |
| Graphics | Built-in 4-bit greyscale video |
| Display | 10″ passive matrix greyscale (640×400) |
| Operating system | System 7.0, System 7.0.1, 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 |
| Removable media | 1.4 MB floppy (FDHD) |
Physical
| Ports & connectivity | ADB · SCSI (HDI-30) · Serial (printer) · Serial (modem) · Video-out (DB-15, external display support) · 3.5 mm audio out · Internal modem slot (optional) |
| Dimensions (W×H×D) | 286 × 57 × 231 mm |
| Weight | 3 kg |
Known quirks
- First PowerBook with external video out — supports 640×480 on external display
- Passive matrix 4-bit grayscale screen — limited but readable
- Trickle-charge NiCad main battery long dead
- Power manager chip on logic board can fail silently
- Floppy drive gears crack from age; replacements are scarce