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All-in-One · 1991ObsoleteUncommon · 57
Macintosh Classic II
M4150 · Platinum
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Identifiers
| Order number | M4150 |
Reference
| Original price | $1,900 – $3,000 |
| Announced | 1991-10-21 |
| Discontinued | 1993-09-13 |
| Max supported OS | System 7.5.5 |
| Design era | Platinum |
Configurations
| Colors | Platinum |
| CPU | Motorola 68030 @ 16 MHz |
| Memory | 2 MB, 4 MB, 6 MB, 10 MB |
| Storage | 40 MB SCSI HDD, 80 MB SCSI HDD, BlueSCSI, SCSI2SD |
| Graphics | Built-in framebuffer (1-bit) |
| Display | 9″ monochrome CRT (built-in, 512×342) |
| Operating system | System 7.0.1, System 7.1, System 7.5.5 |
| Removable media | 1.4 MB floppy (FDHD) |
Physical
| Ports & connectivity | ADB (2) · DB-25 SCSI · 2× RS-422 Mini-DIN-8 serial · 3.5mm audio out |
| Dimensions (W×H×D) | 245 × 345 × 277 mm |
| Weight | 7.3 kg |
Known quirks
- Surface-mount caps leak and damage logic board — recapping is mandatory
- PRAM battery leak is common and destructive
- Sound chip has the famous Classic II audio bug (scratchy audio)
- Limited to 10 MB RAM via soldered 2 MB + single SIMM slot