Apple yesterday released several software updates targeting both Mac Pro and Xserve users and users of its Logic Studio professional audio application package.

Mac Pro EFI Firmware Update 1.4, which weighs in at 1.96 MB and requires Mac OS X 10.5.8 or 10.6.2, addresses several issues related to Apple's Early 2009 Mac Pro models.

This update addresses the following issues for Mac Pro (Early 2009) computers:

- Improves compatibility with virtualization products utilizing VT-d
- Improves storage performance under Windows XP for Boot Camp users
- Improves system reliability during the boot process

Similarly, Xserve EFI Firmware Update 1.2, which weighs in at 1.81 MB, addresses the VT -d compatibility and reliability during boot issues found in the Mac Pro update. Further details on EFI firmware updates are available in Apple's associated support document, and Apple also released Firmware Restoration CD 1.8 (22.5 MB) to support the updated firmware for those machines.

Apple also released Unitor Family Driver 2.5 for Logic Studio users, addressing certain reliability issues. The update weighs in at 514 KB and requires Mac OS X 10.5.7.

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