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Colour Classic II

a.k.a. Performa 275

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Overview

First available in Canada (1993), then Asia and Europe, the Colour Classic II shared the motherboard design of the LC III. Running at a fast 33 MHz, RAM could be expanded as far as 36 MB.

This is what the Color Classic should have been.

The Colour Classic II was the last Mac with a built-in 10" (9" viewable) color monitor.

Details

• introduced 21 Oct. 1993 at $1,390; discontinued 1 Sept. 1994
  Performa 275 introduced 1 Oct. 1993; discontinued 1 Nov. 1995
• requires System 7.1 to 7.6.1
• CPU: 33 MHz 68030
• FPU: 33 MHz 68882
• performance: 4.6 (relative to SE)
• ROM: 1 MB
• RAM: 4 MB, expandable to 36 MB using a single 80ns 72-pin SIMM
• VRAM: 256 KB, expandable to 512 KB for 16-bit color
• 10" color screen, 512x384 pixels
• ADB ports for keyboard and mouse
• DIN-8 serial ports on back of computer
• DB-25 SCSI connector on back of computer
• floppy: 1.4 MB double sided
• size (HxWxD): 14.5" x 9.9" x 12.6"
• weight: 22.5 lbs.
• Gestalt ID: 83
• addressing: 24-bit or 32-bit
• battery: 3.6V lithium
• LC PDS slot
• upgrade path: none officially, though some have successfully installed a 575 motherboard.

Accelerators & Upgrades

• Sonnet Technologies Presto 040 LC (25 MHz 68040 or 68LC040), incompatible with extra VRAM, discontinued
• Sonnet Presto Plus (33 MHz 68LC040 or 68040, Ethernet, and 32 MB additional RAM)

Online Resources

• Color Classic Mini FAQ
• Building a Power Colour Classic, Stuart Bell. Finally, a helpful English-language resource for boosting the Color Classic to a 68040, 603, or even a G3.
• 30-pin SIMM memory pricing, RAMseeker
• Changing Color Classic resolution to 640x480
• Color Classic upgrade options
• PowerColorClassics
• Information on 32-bit addressing
• Email lists: Classic Macs Digest, Vintage Macs
• Color Classic Forever, an obsession
• Internet Classic Mac Users Home Page
• Memory upgrade guide
• Apple Specs Online for Color Classic II and Performa 275
• 603 upgrade for SE, Classic, and Color Classic

Cautions

• Serial port normally restricted to 57.6 kbps; use of a 56k modem may be limited. See 56k modem page. For more information on Mac serial ports, read Macintosh Serial Throughput on the Online Tech Journal.
• Apple discontinued support and parts orders for this model on 10 January 2000. You may be able to find dealers with parts inventory either locally or on our parts and service list.

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