System 7.5: Updates, Versions & What's Installed

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 now several Mac OS System 7.5 configurations available which a user may install. 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, and what System 7.5 version is installed by choosing, About This Macintosh, under the Apple menu.

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

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	Upgrading 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

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