iMac Firmware Update

iMac Firmware Update 4.1

Free
Get this firmware update for iMacs with slot-loading CD or DVD drives.
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4.1.9 (See all)

This update includes improvements to starting up Mac OS X from the local hard disk, Firewire target disk mode, starting up from the local hard disk, network start-up, and system stability. This update also adds support for additional security options which allow the Open Firmware to be password protected.

Info updated on: