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Comment Firewire IEEE 1394: 8 to 40 V @ 1.5 A -- up to 60W (Score 2, Informative) 277

Compared to USB's 5V @ 1A (5W) limit or Power over Ethernet's 13W, Firewire can supply 60W. It's also always been a true bus rather than USB's Host/Device architecture, automatically being able to connect devices and computers to each other like USB On the Go is trying for. It's assymetric plugs are easier use without looking and were inspired by the original GameBoy cables for child and adult proofing. Of course patent holders initially charged too much ($0.25, then $1, now free) and the chips used to be too expensive for slow devices like mice and keyboards. Guy who helped design it: http://www.teener.com/firewire_FAQ/ Apple's licensing: http://developer.apple.com/softwarelicensing/agreements/firewire.html

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