Apple Macintosh Classic

Apple Macintosh Classic

[Vin65]

The Apple Macintosh Classic, released in 1990, was notable for being the first Macintosh to sell for under $1,000, making the Macintosh experience accessible to a much wider audience. Its most distinctive features included a compact all-in-one design with a 9-inch monochrome display, an 8 MHz Motorola 68000 processor, and the inclusion of the Apple SuperDrive, which could read and write multiple disk formats. The Macintosh Classic played a crucial role in expanding Apple’s market share during a time when inexpensive IBM PC clones were flooding the market, and it set the stage for Apple’s ongoing emphasis on design simplicity and accessibility.

• Manufacturer: Apple Computer Inc.
• Released: 1990
• Type: Personal Desktop Computer
• Cost at release: USD $999 (CAD ~$2,400 adjusted for inflation)
• MIPS: 0.7 (700 KIPS)

Hardware Specifications

• CPU: Motorola 68000, 8 MHz
• RAM: 1 MB standard, expandable up to 4 MB using 30-pin SIMMs and a memory expansion card
• ROM: 512 KB
• Display: 9-inch monochrome CRT, 512 × 342 pixel resolution
• Storage:
  • 1.44 MB SuperDrive floppy disk (standard)
  • Optional 40 MB SCSI hard disk drive
• Ports:
  • 1 × ADB (keyboard/mouse)
  • 2 × mini-DIN-8 RS-422 serial ports (printer, modem, AppleTalk)
  • 1 × DB-19 (external floppy)
  • 1 × DB-25 SCSI (external hard drive, scanner)
  • 1 × 3.5 mm headphone jack
• Audio: 8-bit mono, 22 kHz output
• Expansion: No internal expansion slots except for RAM
• Power Supply: 76 watts
• Weight: 16 lbs (7.26 kg)

Operating System & Programming Languages 

• O/S: System 6.0.7 and supported all versions up to System 7.5.5. It also included a hidden System 6.0.3 in ROM, which could be accessed with a specific key combination during boot
• Programming Languages:
  • Pascal (the standard language for early Mac development; Apple’s APIs and documentation were written for Pascal, and tools like Think Pascal and MPW Pascal were widely used).
  • C and C++ (became increasingly popular in the 1990s, with environments like Think C and MPW supporting them).
  • Assembly language (68k assembler was used for performance-critical code and low-level programming).
  • BASIC (such as MacBASIC, though Apple discontinued official support in the mid-1980s, and third-party BASIC interpreters were available).
  • Other languages: Free Pascal and other Pascal dialects could be used, and scripting or interpreted languages like HyperTalk (for HyperCard) were also available.

Notables

• The Macintosh Classic was the first Macintosh to sell for under $1,000, making it Apple’s most affordable Mac at the time and broadening access to the Macintosh ecosystem. it is  remembered as a pivotal model that democratized Macintosh ownership, making Apple computers accessible to students, educators, and home users.
• It featured a secret internal ROM disk: by holding Command–Option–O–X at startup, users could boot from a hidden 357 KB System 6.0.3 disk in ROM—unique among Macs.
• The Classic was essentially a slightly faster, rebranded Mac Plus, with only modest improvements, prompting some criticism for its outdated specs even at launch.
• It lacked expansion slots, a cost-saving measure that returned to the sealed, simple design philosophy of the original Macintosh.
• The brightness knob was eliminated; screen brightness was controlled by software instead.
• Its industrial design was the final adaptation of Jerry Manock and Terry Oyama’s original Macintosh 128K case, with a more curved front bezel that influenced Apple’s 1990s product aesthetics.
• The Classic was widely adopted in schools and education due to its low price and robust library of educational software

Donated by: Doron Nussbaum