Even with the improvements available in this update, Apple recommends you update the firmware on your FireWire drive. This update also includes the latest Security Updates.Īpple has identified an issue with external FireWire hard drives using the Oxford 922 bridge chip-set with firmware version 1.02 that can result in the loss of data stored on the disk drive. The 10.3.1 Update delivers enhanced functionality and improved reliability for the following applications, services and technologies: FileVault, Printing, WebDav, and FireWire 800 drives. This article contains the Mac OS X Update 10.3.1 information and a link to the Mac OS X Update 10.3.1 software.