System Software (0-6) System 3.x

In 1984 Apple Computers unveiled their Macintosh computer. It included a new user interface that revolutionized the way people though about computer interaction. Originally referred to as simply "Macintosh System", the underlying OS was a single-tasking disk system for the Motorola 68K CPU. Significant changes were made in MacOS 7.x.

Emulation note: For MacOS 0.x-6.x we recommend the vMac Mini emulator.

It is possible to write Macintosh 400k/800k images to a real disk using a Kryoflux.

Note: Wikipedia's/Apple's Developer CD Classic Mac OS "System Software" numbering scheme is GARBAGE and should NOT be used.

System 3.0, Finder 5.1 was introduced with the Mac Plus. Officially added HFS, added 800K startup drives, support for SCSI, and AppleShare. This system disk was also used with the Mac 512Ke. System 3.x was packaged as the "System Tools" and "Utility" v1.0 and v1.1 disks for each Mac model.

System 3.1, Finder 5.2 was only released on a Printer Installation disk. Apple intended to package System 3.1 Finder 5.2 with the first Macintosh 512Ke machines, but due to a bug they used the original Macintosh Plus System Tools disk instead. System 3.1 Finder 5.2 was never released as a system disk.

Mac System 3.2, Finder 5.3 included mostly minor changes. Apple release separate System Tool bundles for the Mac 128/512 with 400k drive, the 512Ke, the Plus, and HD 20. This is the last version to support the Macintosh 128k.

Mac System 3.3, Finder 5.4 only released with AppleShare Workstation 1.0 disks. Adds AppleShare networking. Mac System 3.3, Finder 5.5 only released with AppleShare Workstation 1.1 disks. Mac System 3.4, Finder 6.1 only released with AppleShare Workstation 2.0 disks, and specific to the Macintosh 512Ke.

Product type
OS
Vendor
Apple
Release date
1985
Minimum CPU
m68k
User interface
GUI
Platform
MacOS

Downloads

Download Name Version Language CPU File type File size
Apple Mac OS (System 3.0 Finder 5.1) (System Tools 1.0 Mac Plus) (Jan 1986) (3.5-800k) S3.0F5.1 English m68k 3½ Floppy 246.62KB
Apple Mac OS (System 3.0 Finder 5.1) (Unknown) (Jan 1986) [French] (3.5-400k) S3.0F5.1 French m68k 3½ Floppy 165.81KB
Apple Mac OS (System 3.1 Finder 5.2) (Macintosh System Disk) (Apr 1986) [Japanese-Kanji] (3.5-800k) S3.1F5.2 Japanese-Kanji m68k 3½ Floppy 539.62KB
Apple Mac OS (System 3.1.1 Finder 5.2) (Guided Tour 512Ke) (Feb 1986) (3.5-800k) S3.1.1F5.2 English m68k 3½ Floppy 288.21KB
Apple Mac OS (System 3.2 Finder 5.3) (Hard Disk 20) (Jun 1986) (3.5-400k) S3.2F5.3 English m68k 3½ Floppy 211.1KB
Apple Mac OS (System 3.2 Finder 5.3) (System Tools 1.0 512Ke) (Jun 1986) (3.5-800k) S3.2F5.3 English m68k 3½ Floppy 393.28KB
Apple Mac OS (System 3.2 Finder 5.3) (System Tools 1.0 Mac 128, 512K) (Jun 1986) (3.5-400k) S3.2F5.3 English m68k 3½ Floppy 236.23KB
Apple Mac OS (System 3.2 Finder 5.3) (System Tools 1.1 Mac Plus) (Jun 1986) (3.5-800k) S3.2F5.3 English m68k 3½ Floppy 256.49KB
Apple Mac OS (System 3.2 Finder 5.3) (Unknown) (Jun 1986) [French] (3.5-800k) S3.2F5.3 French m68k 3½ Floppy 159.36KB
Apple Mac OS (System 3.2 Finder 5.3) (Unknown) (Jun 1986) [German] (3.5-800k) S3.2F5.2 German m68k 3½ Floppy 171.29KB
Apple Mac OS (System 3.3 Finder 5.5) (AppleShare Workstation 1.1) (Apr 1987) (3.5-400k) S3.3F5.5 English m68k 3½ Floppy 196.68KB

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