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Learn what FireWire target disk mode (TDM) is and how to use it.Description and requirementsFireWire target disk mode allows a Macintosh computer with a FireWire port (the target computer) to be used as an external hard disk connected to another computer (the host). Once a target computer is started up as a FireWire hard disk and is available to the host computer, you can copy files to or from that volume.Important: The computer will not go into FireWire target disk mode if "Open Firmware Password" has been enabled.Host computer requirementsHost computers must meet the following requirements: Built-in FireWire port, or a FireWire port on a PC card FireWire 2.3.3 or later Mac OS 8.6 or laterTarget computersThe following models can be used as target computers: iMac (Slot Loading) with Firmware version 2.4 or later iMac (Summer 2000) and all models introduced after July 2000 eMac (all models) Mac mini (all models) Power Mac G4 (AGP Graphics) with ATA drive Power Mac G4 Cube Power Mac G4 (Gigabit Ethernet) and all models introduced after July 2000 Power Mac G5 (all models) iBook (FireWire) and all models introduced after September 2000 PowerBook G3 (FireWire) PowerBook G4 (all models) MacBook Pro (all models) MacBook models introduced before October 2008FireWire softwareYou can download the latest Firmware and FireWire software from the Apple Support Downloads page (http://www.apple.com/support/downloads/).

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