This may be considered an authoritative technical specification for the Macintosh Colo(u)r Classic and Performa 250 computers. Please report any errors to Chris Lawson.
| Introduced: | 10 February 1993 |
| Discontinued: | 16 May 1994 |
| Form Factor: | Color Classic |
| Weight (lbs): | 22.5 |
| Dimensions (inches): | 14.5 H x 9.9 W x 12.6 D |
| Original Retail Price: | US$1400 |
| Also Sold As: | Performa 250 |
| Max Watts: | 100 |
| Amps: | 0.83 |
| BTU/hr: | 342 |
| AC Power: | 90-240 V, 47-63 Hz |
| Soft Power: | supported |
| Processor: | Motorola 68030, 16 MHz |
| PMMU: | integrated |
| FPU: | 68882 (optional) |
| Data Path: | 16-bit, 16 MHz |
| L1 Cache: | 0.5 KB |
| L2 Cache: | none |
| Slots: | 1, LC PDS, 16-bit |
| Gestalt ID: | 49 |
| PRAM Battery: | 3.6 V, 1/2-AA lithium |
| Notes: | Some later boards used a 4.5 V Rayovac 841 alkaline battery. |
| ADB: | 2 |
| SCSI: | DB-25 |
| Serial: | 2 mini-DIN8, RS-422 |
| Microphone: | Omni |
| Headphones: | 1/8" mono |
| On-board: | 4 MB |
| RAM Slots: | 2, 30-pin SIMM |
| Min - Max RAM: | 4 MB - 12 MB |
| Minimum RAM Speed: | 100 ns |
| RAM Sizes: | 1, 2, 4 MB |
| Install in Groups of: | 2 |
| Notes: | With 12 MB RAM installed, ROM will only address upper 10 MB. |
| Display: | 10" Trinitron |
| Resolution (H x V): | 512 x 384 @ 8-bit |
| On-board VRAM: | 256 KB |
| VRAM Slots: | 1, 68-pin SIMM |
| Min - Max VRAM: | 256 KB - 512 KB |
| Minimum VRAM Speed: | 100 ns |
| VRAM Sizes: | 256 KB |
| Max Bit Depth: | 16-bit (w/256 KB SIMM) |
| Audio-in: | 8-bit mono |
| Audio-out: | 8-bit mono |
| Internal Speakers: | 1, 16-Ohm |
| Floppy: | 1.44 MB Superdrive, auto-inject |
| Original HD Size: | 40-160 MB |
| Internal HD Interface: | SCSI |
| Addressing Modes: | 24-, 32-bit |
| Original System Software: | 7.1 |
| Original Enabler: | 401 |
| ROM ID: | $067C |
| ROM Version: | $24 |
| ROM Size: | 1MB |
| AppleTalk Version: | 57.0.4 |
| Compatible Mac OS: | 7.1 7.1.1 (Pro) 7.5 7.5.1 7.5.3 7.5.5 7.6 7.6.1 8.0 8.1 |
| Notes: | Mac OS 8.x requires some hacking |