Macintosh Color Classic II
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| Macintosh Color Classic II on shop display with its placard | |
| Specifications | |
|---|---|
| Manufacturer | Apple Computer, Inc. |
| Type | Personal computer |
| Released | October 1993 |
| Discontinued | 1994 |
| CPU | Motorola 68030 at 33 MHz |
| Memory | 4 MB on board; see the memory section |
| Storage | Internal 1.4 MB SuperDrive; internal SCSI hard disk |
| Display | 10-inch Trinitron CRT (9-inch viewable), 512 × 384 pixels, 76 dpi |
| Sound | 8-bit mono; built-in microphone and speaker |
| Graphics | 256 KB VRAM, expandable to 512 KB with a 256 KB VRAM SIMM |
| ROM | 1 MB on board |
| FPU / coprocessor | Socket for an optional Motorola 68882 at 33 MHz |
| Ports / interface | 2 × ADB; DB-25 SCSI; 2 × RS-232/RS-422 serial (mini-DIN-8); sound in and out |
| Expansion | LC-compatible 96-pin processor-direct slot; VRAM SIMM slot |
| Power | 90–240 V AC universal supply, 47–63 Hz, 100 W maximum |
| Dimensions | 14.5 × 9.9 × 12.6 in (37.0 × 25.2 × 32.15 cm) |
| Weight | 22.5–23.2 lb (10.2–10.5 kg) |
| OS / Firmware | System 7.1 (with System Enabler 403) to Mac OS 7.6.1 |
| Predecessor | Macintosh Color Classic |
| Successor | None |
| Model no. | M1600 |
The Macintosh Color Classic II is the last compact Macintosh with a built-in 9-inch-viewable colour screen: the Macintosh Color Classic's case, Trinitron display and analogue board with a faster logic board, a 68030 at 33 MHz in place of 16 MHz. It was also sold as the Macintosh Performa 275.[1][2] It was not sold in the United States. Low End Mac says it went on sale first in Canada in 1993 and then in Asia and Europe; EveryMac lists Japan, Canada and Europe and dates it from October 1993 to May 1994.[2][3]
Specifications
[edit | edit source]Apple's figures, except for memory; see the next section.[1]
| Item | Specification |
|---|---|
| CPU | Motorola 68030, 33 MHz, built-in PMMU, 256-byte instruction and data caches |
| Coprocessor | Socket (U9) for an optional 68882 at 33 MHz |
| ROM | 1 MB on board; 2 MB maximum |
| VRAM | 256 KB on board, expandable to 512 KB with a 256 KB VRAM SIMM in slot J9 (100 ns or faster) |
| Colours | Up to 256 with 256 KB VRAM; up to 32,000 with 512 KB |
| Floppy | Internal 1.4 MB SuperDrive |
| Hard disk | 3.5-inch internal SCSI |
| ADB | Two ports, mini-DIN-4; 500 mA maximum draw (mouse 10 mA, keyboard 25 mA) |
| Serial | Two RS-232/RS-422 ports, mini-DIN-8 |
| SCSI | One DB-25 port, up to six external devices |
| PDS | Macintosh LC-compatible, 96-pin (J8) |
| Display | 10-inch diagonal (254 mm), 9-inch viewable (228 mm) Trinitron; 512 × 384, 76 dpi |
| Line voltage | 90–240 V AC, universal power supply, 47–63 Hz single phase |
| Maximum power | 100 W |
| Dimensions | 14.5 × 9.9 × 12.6 in (37.0 × 25.2 × 32.15 cm) |
| Weight | 22.5–23.2 lb (10.2–10.5 kg) |
| Operating temperature | 10–40 °C (50–104 °F) |
Memory
[edit | edit source]Apple's Color Classic II/Performa 275 Service Source gives 4 MB on board, expandable to 10 MB with 100 ns SIMMs in one slot with two 30-pin connectors (J10), both filled or both empty.[1][4] Those pages repeat the Color Classic manual word for word, apart from the model name, and the exploded view gives the same logic board part number, 661-1830, as the Color Classic manual.[5][6]
Low End Mac and EveryMac give one 72-pin SIMM socket, 36 MB maximum and a 32-bit data path, and Low End Mac says the Color Classic II shares its logic board with the Performa/LC 550.[2][3] Apple's own Macintosh LC 520/550/575 Service Source gives the LC 550 4 MB on board, expandable to 36 MB through a 72-pin SIMM connector.[7]
Look at the board before buying memory. One long 72-pin socket means the LC 550 arrangement and 36 MB; a pair of short 30-pin sockets means the Color Classic arrangement, filled as a pair, and 10 MB.
Service documentation
[edit | edit source]
- Macintosh Color Classic II/ Performa 275 Service Source: Apple's Service Source (137 pages, embedded above). Apple's Adjustments chapter covers geometry, video, convergence, geometric distortion, yoke and light meter setup, with no power-supply adjustment; the battery rule is replace below 3.0 V.[8]
- Macintosh LC 520/550/575 Service Source covers the LC 550, whose logic board Low End Mac identifies with the Color Classic II's.[2]
All Apple service manuals on the wiki are listed at Apple Service Source.
Maintenance, capacitors and troubleshooting
[edit | edit source]- Macintosh Color Classic II General Maintenance
- Macintosh Color Classic II Capacitor Replacement Guide
- Macintosh Color Classic II Troubleshooting
- CRT Discharge Procedure
- Retrobrite for a yellowed case.
The PRAM cell is lithium; Low End Mac and EveryMac give it as 3.6 V. Apple's rule is replace below 3.0 V.[2][3][8] Neutralise lithium-cell leakage with bicarbonate of soda, not vinegar. Recap-a-Mac reports four leaky capacitors around the sound chip at the top left of the logic board and says any unrecapped Color Classic II "is living on borrowed time".[9]
Upgrades
[edit | edit source]- 68882 FPU in socket U9, bevelled edge towards connector J13.[4]
- One 256 KB VRAM SIMM in J9.[4]
- LC-compatible PDS (J8). Apple lists the Apple IIe emulation card and the LC Ethernet card as options.[1]
- No official upgrade path; Low End Mac reports LC 575 logic boards being fitted.[2]
Related pages
[edit | edit source]- Macintosh Color Classic
- Macintosh Performa 275
- Macintosh LC 550
- Macintosh Classic II
- Sad Mac Error Codes and the Sad Mac Decoder
References
[edit | edit source]- ↑ 1.0 1.1 1.2 1.3 Apple Computer, Macintosh Color Classic II/Performa 275 Service Source (137-page copy, File:Color classic ii.perf 275.pdf), Specifications pp. 1–12 (PDF pp. 5–16).
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 Low End Mac, "Mac Colour Classic II (Performa 275)": first sold in Canada in 1993, then in Asia and Europe, never in the US; introduced 21 October 1993, discontinued 1 September 1994; Performa 275 introduced 31 October 1993, discontinued 1 November 1995; System 7.1 with System Enabler 403 to 7.6.1; 4 MB expandable to 36 MB with a single 80 ns 72-pin SIMM; shares its motherboard with the Performa/LC 550; last Mac with a built-in 10-inch colour monitor; PRAM battery 3.6 V half-AA. Secondary source.
- ↑ 3.0 3.1 3.2 EveryMac, "Macintosh Color Classic II Specs": introduced 1 October 1993, discontinued 1 May 1994; model M1600; 72-pin SIMM, 36 MB maximum, one slot; 32-bit data path; 3.6 V lithium battery; Mac OS 7.1 to 7.6.1. Secondary source.
- ↑ 4.0 4.1 4.2 Apple, Macintosh Color Classic II/Performa 275 Service Source, Upgrades pp. 1–11 (PDF pp. 78–88): VRAM Upgrade (J9), Math Coprocessor (socket U9), Memory Upgrade (J10, pp. 6–8, PDF pp. 83–85), PDS Upgrades (J8).
- ↑ Apple, Macintosh Color Classic II/Performa 275 Service Source, Exploded View (PDF p. 137).
- ↑ Apple, Macintosh Color Classic Service Source (141-page copy, File:Color classic.pdf), Exploded View (PDF p. 141).
- ↑ Apple Computer, Macintosh LC 520/550/575 Service Source, Specifications, Memory: "4 MB of dynamic RAM on board / Expandable to 36 MB (100 ns or faster SIMMs) / 72-pin DRAM SIMM connector". Hosted as File:Lc 520.550.575.pdf.
- ↑ 8.0 8.1 Apple, Macintosh Color Classic II/Performa 275 Service Source, Adjustments pp. 1–40 (PDF pp. 96–135) and Additional Procedures, Battery Verification pp. 1–2 (PDF pp. 90–91).
- ↑ Recap-a-Mac, "Macintosh Colo(u)r Classic II". Secondary source.