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FireWire (IEEE 1394) is a serial connector created by Apple in 1986. FireWire has had various revisions over the years (FireWire 400, FireWire 800, etc). FireWire was officially discontinued in 2013. It offered faster transfer speeds when compared to USB, but was limited due to Apple's ownership of the licensing, the cost it took to make when compared to USB, and the lack of backwards compatibility.

FireWire
FireWire logo.png
Image of the FireWire icon
DeveloperApple Inc.

iPods Reliance on FireWire

The iPod (1st generation), iPod (2nd generation), and iPod (3rd generation) had a reliance on FireWire.

  • The 1st generation iPod requires FireWire 400 for charging and syncing
  • The 2nd generation iPod requires FireWire 400 for charging and syncing
  • The 3rd generation iPod requires FireWire 400 for charging only. USB and FireWire can be used for syncing.

FireWire Compatibility

Device FireWire Charging? FireWire Syncing? USB Support? Extra Notes
iPod (1G)   Required   Required   None FireWire only
iPod (2G)   Required   Required   None FireWire only
iPod (3G)   Required   Yes   Sync Only FireWire required for charging.
iPod 4G (Monochrome)
iPod Photo
  Yes   Yes   Yes
iPod Video (5/5.5 G)   Yes   No   Yes
iPod Classic (6-7G)   Yes   No   Yes
iPod Nano 1G   Yes   No   Yes FireWire support theoretically possible, unused support in firmware
iPod Nano 2G   Yes   No   Yes
iPod Nano 3G   Yes   No   Yes
iPod Nano 4G   No   No   Yes
iPod Nano 5G   No   No   Yes
iPod Nano 6G   No   No   Yes
iPod Nano 7G   N/A   N/A   Yes Uses Apple Lightning Cable
iPod Mini (1-2G)   Yes   Yes   Yes An unused FireWire 800 pin layout can be found on the logic board, along with FireWire port support in the Firmware. It is theoretically possible to add a FireWire port to the iPod Mini.

Benefits of FireWire

FireWire has proven to be useful when repairing iPods, since it directly powers the logic board. (USB directs power to the battery instead) FireWire can be used to test iPod logic boards even when the battery is faulty or dying.

Resources

Wikipedia Entry on IEEE 1394 (aka FireWire): https://en.wikipedia.org/wiki/IEEE_1394
Ars Technica Article about the history of FireWire: https://arstechnica.com/gadgets/2017/06/the-rise-and-fall-of-firewire-the-standard-everyone-couldnt-quite-agree-on/
EveryMac's FireWire compatibility grid: https://everymac.com/systems/apple/ipod/ipod-faq/ipods-charge-and-sync-firewire-usb2.html

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