Firewire not recognized in mbp 1.83 15in

hi
i have a mbp 15 in, a mac mini intel, both with software up to dat. i usually dont use firewire, but when my old ibook g4 hdisk died, i needed a way to get my data. so i connected the ibook in target disk mode with my mbp but nothing happened. no disk mount, no connection recognized in apple profile. same thing with the mini.
then i tried to conect a lacie d2 dvd self powered usb/firewire. but nothig mounted in firewire, but in usb mode it did.
so im almost sure about a firewire problem, but i dont know where to start from. hardware test runs ok.
some kind of lost here. [please help!!!

install intel drivers, look them up on their site by
the chipset model. Maybe you had an old xp cd and
doing updates will give you drivers?
Wrong. The drivers are specific. Get the Simatel audio drivers.

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Firewire not recognized in mbp 1.83 15in

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