iMac EFI Firmware Update 1.4

iMac EFI Firmware Update 1.4

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Apple has seeded iMac EFI Firmware Update v1.4 via Software Update.

This update fixes intermittent system freeze issues for iMac computers with ATI Radeon HD 4850 graphics and fixes wake-from-sleep issues in Boot Camp.

To complete the firmware update process, please follow the instructions in the updater application (/Applications/Utilities/iMac EFI Firmware Update.app). The updater will launch automatically when the Installer closes.

After the firmware is successfully applied to your Mac, your Boot ROM Version will be:

IM91.008D.B08

You can launch Software Update from the Apple Menu at the top left of your screen.

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iMac EFI Firmware Update 1.4
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