Hmm. Interesting layout. Think you could label the components? This would help determine if the circuit were actually functional.
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400 MHz iMac DV/SE, 120 GB total (with external HDs), 256 MB RAM
600 MHz iMac DV/SE, 80 GB total 384 MB RAM
2 GHz MacBook 13", 80 GB total 2 GB RAM
iPod Photo, 30 GB
iPod Video, 80 GB
iPod Nano, 2 GB
AirPort Extreme with DSL broadband