Apple has released a Firmware Restoration CD and this version is 1.6. This Firmware Restoration CD includes a number of updates for several Mac’s.
Sep 27, 2007 Click the Burn button to create the Firmware Restoration CD. The files are burned to the disc. Next, use the Firmware Restoration CD to restore your Firmware: Make sure that the computer you are trying to restore is plugged into an AC outlet. Apple has posted Firmware Restoration CD 1.3, a new update to the software that lets you restore the firmware on Intel-based Macs. The software enables you to create a CD that you can then use to.
The Mac’s affected by this version of the Firmware Restoration CD 1.6 include
Apple notes that this Firmware Restoration CD can only be used to restore firmware on the models listed above and only if a firmware update has been interrupted. The Firmware Restoration CD does not work on Mac’s that have already had a successful firmware update. Mac os x el capitan theme for win.
The Firmware Restoration CD version 1.6 update can be downloaded from Apple’s support page after going to the specific Mac model.