Mac OS 7.5.3 Revision 2.2

Mac OS 7.5.3 Revision 2.2, or System 7.5.3 Revision 2.2, is an update (revision) to Mac OS 7.5.3 (System 7.5.3).

The third revision in the Mac OS 7.5.3 revision series, it is curiously unknown to much of the Mac community. It was released in 1996 to add 7.5.3 support for the following models:


 * Power Macintosh 9500/200
 * Performa 6360

No other models were affected.

Sources and Evidence of Existence

 * http://www.jmusheneaux.com/31.htm
 * http://members.aol.com/harumac/codenames.html