Скачать драйвер для iMac EFI Firmware 1.6

This update includes fixes that improve performance and stability for Thunderbolt.

The iMac EFI Update will update the EFI firmware on your iMac computer. When your iMac restarts, a gray screen will appear with a status bar to indicate the progress of the update. It will take several minutes for the update to complete. Do not disturb or shut off the power on your iMac during this update. After the update Boot ROM version = IM121.0047.B0A

It is highly recommended to always use the most recent driver version available.

Do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games.

Try to set a system restore point before installing a device driver. This will help if you installed a wrong driver. Problems can arise when your hardware device is too old or not supported any longer.

Примечание: Ссылка "скачать" может вести как непосредственно на файл, так и на сайт производителя, на котором Вы можете найти нужный файл.
Это связано с тем, что некоторые производители не позволяют размещать прямые ссылки на файлы.