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All-in-One · 1986ObsoleteRare · 70
Macintosh Plus
M0001A · Beige Compact
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Identifiers
| Order number | M0001A |
Reference
| Original price | $2,599 |
| Announced | 1986-01-16 |
| Discontinued | 1990-10-15 |
| Max supported OS | System 7.5.5 |
| Design era | Beige Compact |
Configurations
| Colors | Beige, Platinum |
| CPU | Motorola 68000 @ 7.83 MHz |
| Memory | 1 MB, 2 MB, 2.5 MB, 4 MB |
| Storage | 800 KB floppy (internal), External SCSI, BlueSCSI, SCSI2SD |
| Graphics | Built-in framebuffer (1-bit) |
| Display | 9″ monochrome CRT (built-in, 512×342) |
| Operating system | System 3.2, System 6.0.x, System 7.0, System 7.5.5 |
| Removable media | 800K floppy |
Physical
| Ports & connectivity | DB-25 SCSI · 2× RS-422 Mini-DIN-8 serial · DE-9 mouse · 3.5mm audio out |
| Dimensions (W×H×D) | 245 × 345 × 277 mm |
| Weight | 7.5 kg |
Known quirks
- PRAM battery leak is nearly universal — destroys traces near the battery holder
- Analog board needs recapping — cracked solder joints on flyback common
- SCSI port is the original Mac SCSI — works with BlueSCSI / SCSI2SD
- RAM maxes at 4 MB via 30-pin SIMMs (or 8 MB with ROM hacks)