Mac System Software 6.0.3
| Build of Mac System Software 6.x | |
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| Architecture | 68k |
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| About |  |
Mac System Software 6.0.3 is a version of Mac System Software 6.x which was released in December 1988 and is the first version to include support for Macintosh SE/30 and IIcx computers.
This version also adds support for the British English, Danish, Dutch, Faeroese, Finnish, Norwegian, Persian, Portuguese, Simplified Chinese, Spanish, Swedish, and Traditional Chinese languages.