FireWire problems (Eyetv and external drive)

Hello,
Has anyone seen problems with the firewire where two devices cannot be plugged in at the same time to the iMac? I have an external FW drive and an eyetv 200 box. When I plug in to the second port on the iMac and turn on the drive the eyetv disconnects (flashing red light on the eyetv) and no live tv signal. This disconnect happens regardless of whether it is the top or bottom FireWire port the EyeTV is plugged into. If I plug the eyetv into the Harddrive same thing and if I plug the hard drive into the eyetv, the eyetv dies again. Please let me know if any one has seen this problem. There weren't any obvious fix's at el gato's site. On my old DP 800 I did not have this problem.
Thank you for any help.
-Monterey

Hi, I am guessing that the new iMacs we have, have a "limited FireWire" power output, meaning the EyeTV unit is drawing too much power from the FW bus; If I am not wrong, the EyeTV unit does come with an optional power cord for self-external power supply and not need to draw from the FW port? You can try that.
Another way to test is if you have a self-powered FW hub, try plugging into that and see if it works.
Cheers

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