Charging iPod nano on an Intel iMac during Sleep Mode by Firewire

Hi everybody,
I have a question concerning the iPod nano. I know that you can not sync the iPod by Firewire but you can charge it. I also know that charging the nano via USB during Sleep mode is NOT possible. However I had a 3G IPod (connected by Firewire) and it was possible to charge it when the Imac was in Sleep mode. And here comes my question:
There is a special cable for iPods, which has both Firewire AND USB. Is it possible to connect the IPod simultaneously by Firewire and USB to the Imac with the result, that the nano will charge during sleep mode (Firewire) AND is able the sync music (USB) ???
Thank you

Hi lora,
Don't do it! See this post:
Using the iPod Dock Connector to FireWire and USB 2.0 Cable
Which states this: "Important: Never connect both the FireWire and the USB 2.0 connector to your computer at the same time. Doing so can cause unexpected behavior."
Good luck,
maz

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