40 GB iPod Battery drains when mac is powered off

If I leave my iPod in the cradle ( connected via firewire) and the Mac is powered OFF, the battery will be drained in a few hours (or overnight). If I leave the iPod sitting wherever (not connected to anything), the battery will not be drained... normal.
I assume then that the Mac (G4 867) is sucking the juice out of the battery when the Mac is powered off. Is this a Firewire port issue or ?
I don't always leave my Mac on, and I don't always take the iPod out of its cradle... how can I stop this from happening?
G4 867 Mac OS X (10.3.9) iPod Click 40GB

Is this a Firewire port issue or ?
I remember a few people mentioning this problem last year, and I think the consensus was that it's a Firewire port issue, and the only solution really is to take the iPod out of the dock when the computer is turned off. (It might work to have an external powered Firewire hub, I don't know if the computer would shut that down or not).

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I just recently installed 10.5.6 via automatic updates. I normally connect my iPod touch to my iMac via the keyboard Left USB port. I put my computer asleep at night. When I wake up my iMac in the morning my iPod is totally drained of its power over night. When I placed the iMac asleep in the evening the iPod battery was full. It seems the update broke the USB ports on the keyboard. To test this theory I tested keyboard on all three ports on the iMac by moving my keyboard connection. The iPod touch drained connected to the keyboard on all three ports. If I place my iPod on the USB port by itself it does not happen. It only happens when it is connected to the keyboard.
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Clicking the White Kudos star on the left is a way to say Thanks!
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40 GB iPod Battery drains when mac is powered off

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