TITLE
    System 7.5: Updates, Versions, and What's Installed
Article ID:
Created:
Modified: 		20249
8/5/96
2/23/99
TOPIC

    This article provides a guideline for determining installation requirements for the various System 7.5 updates, and which System 7.5 version is installed.

DISCUSSION

    There are several Mac OS System 7.5 configurations which may have been installed on a Macintosh computer. Each installer has unique requirements. In addition, the System 7.5 version that shipped on Macintosh computers varies.

    The charts below provide a guideline to determine installation requirements for the various System 7.5 updates/versions, as well as using the About this Macintosh selection under the Apple menu to determine what is currently installed.

    Overview Of Requirements

    All systems

    Installer Requires System SW for Installer Updates To Version
    System 7.5 Update 2.0 7.5, 7.5.1, or 7.5.2 System 7.5.3
    System 7.5.3 Revision 2 7.5.3 System 7.5.3 Rev. 2
    System 7.5 version 7.5.3 Full installer System 7.5.3 Rev. 2
    System 7.5.5 Update 7.5.3 System 7.5.5

    PowerBook 190, 2300, and 5300 systems
    Installer Requires System SW for Installer Updates To Version
    PB 5300 Sys. SW Update 7.5.2 enabler 1.1.1 or earlier 7.5.2 enabler 1.2.1
    Sys. 7.5.3 Revision 2 7.5.2 enabler 1.2.1 7.5.2 enabler 1.2.4

    About This Macintosh Window Overview
    In About This Macintosh Window How to Get to This Level of System Software
    System 7.5 Retail product, shipped on Macintosh computers
    System 7.5.1 System 7.5 plus System 7.5 Update 1.0
    System 7.5.2 Shipped on first PCI desktop Macintosh computers and PowerBook 190, 5300, & Duo 2300 series
    System 7.5.3 Shipped on some desktop Macintosh computers
    System 7.5.3 System 7.5 Update 2.0 Upgrade any of the above using System 7.5 Update 2.0
    System 7.5.3 Updated to Revision 2 Install System 7.5.3 Revision 2
    System 7.5.3 Revision 2 System 7.5 version 7.5.3 (Finished Goods) or pre-installed on some Macintosh computers
    System 7.5.5 Upgrade System 7.5.3 with System 7.5.5 Update

    The following system software revisions are URL links which will take you directly to the Apple Software Updates web site where you can download the updates:

    System 7.5 Update 2.0

    System 7.5 Version 7.5.3

    System 7.5.3 Revision 2

    System 7.5.5 Update

    Additional information on System 7.5 is available in the following TIL articles or by searching the TIL:

    Article 19944: Macintosh System 7.5.3 Revision 2: FAQ
    Article 20081: System 7.5.3: What Updates Do I Need for System 7.5.5?


Document Information
Product Area: Mac OS System Software
Category: System 7.5.x
Sub Category: System Updates

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