Apple today released a series of three firmware-related updates and an independent one for Logic Studio.
Mac Pro EFI Firmware Update 1.4 (1.96MB)
Fixes the following issues on Macs Pro from early 2009:
- Improves compatibility with virtualization software using VT-d;
- Improves storage performance in Windows XP for Boot Camp users;
- It brings greater reliability to the system during the initialization process.
The update is compatible with both Leopard (10.5.8 or higher) and Snow Leopard (10.6.2 or higher). More information can be obtained in this support article.
Xserve EFI Firmware Update 1.2 (1.81MB)
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Fixes the following problems with Xserves from early 2009:
- Improves compatibility with virtualization software using VT-d;
- It brings greater reliability to the system during the initialization process.
The update is compatible with both Leopard (10.5.8 or higher) and Snow Leopard (10.6.2 or higher). More information can be obtained in this support article.
Firmware Restoration CD 1.8 (22.5MB)
The utility can restore the firmware of any Mac with an Intel processor, restoring the computer's preferences to defaults. It should be used in case of update failures or updates interrupted in the middle of the process.
Unitor Family Driver 2.5 (514KB)
Corrects isolated problems, especially when using multiple Unitors. The driver supports the following MIDI interfaces:
The update requires Mac OS X 10.5.7 or higher.