During testing, Apple has discovered a potential problem that may cause data corruption or system crashes in certain situations on Power Mac G4 (PCI Graphics) systems. The Power Mac G4 ROM 1.8.1 Update includes fixes for data or file corruption that may occur after a Photoshop crash with Virtual Memory on and Extensis Photo Tools installed. For more about this software, check out the readme file.
The MacBook EFI Update will update the EFI firmware on your notebook computer.
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