Apple Computer, Inc., recently released System 7.5.3 Revision 2, and you can download it for free at Apple's ftp and World Wide Web sites. The new Mac OS update improves the stability, reliability, and performance of certain Macintosh and Mac OS-compatible computers; it's not intended for use by the entire Macintosh customer base. The revision provides the following improvements for these specific systems:
* Increased stability for PowerBook systems using Connectix RAM Doubler * Improved performance for PowerBook Duo 2300 systems and PowerBook 200 and PowerBook 500 Series systems that have been upgraded to use Power PC processors with the Macintosh PowerBook Processor Card Upgrade Kit with PowerPC or similar third-party products * Improved reliability for customers using DOS-formatted floppy disks with PowerBook 500 Series systems that have been upgraded with Power PC processors * Improved reliability for Power Macintosh 7200, 7500, 7600, 8500, and 9500 systems, along with PowerBook 5300, PowerBook Duo 2300, and any PowerBook 200 or 300 Series systems that have been upgraded with Power PC processors
These systems must already be running System 7.5.3 or specific versions of System 7.5.2 for PowerBook products. The U.S. version is available today; localized versions for many other countries are expected to be available within 90 days. Apple also plans to update the Macintosh System 7.5 retail upgrade package in the next 60 days in the United States to incorporate the improvements in System 7.5.3 as well as System 7.5.3 Revision 2.
System 7.5.3 Revision 2 U.S. version can be downloaded from the following Internet sites free of charge:
Customers in the United States may also order the update on two floppy disks for $13 by calling 800-293-6617, extension 1198. In Canada, customers may order the update on two floppy disks for $20 by calling 800-361-6075, extension 1198.
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