LaCie Switzerland said it should have worked with the Pocketdrive as well, but apparently something went wrong LaCie Germany concluded from the purchase date and the firmware version my drive has now (1.56) that it probably uses an Oxford 900 chip, and that I (messed up) the Oxford chip. Under Mac OS 9 there no problems, I can read/write, but I also cannot boot from the drive anymore. 'Bad idea, I had three kernel panics in a row, each only a few minutes after a restart, until I disconnected the drive (all under Mac OS X 10.2.8). 'Since other hard drive vendors had similar updates for a range of Oxford 911 (FW400) products, I applied this updater to a two-year old 20 GB LaCie FW400 Pocketdrive, the current model of which uses an Oxford 911 chip, even though LaCie mentioned only d2 FW400 drives in their ReadMe. You can lose your data, experience system problems, and more importantly, damage your drive irrevocably.

MacFixIt reader Markus Hänche offers a case example portraying exactly why you should not apply firmware on unsupported drives.

Panther coverage Firmware updates on unsupported drives Yesterday we reported that although number of MacFixIt readers have reported success in using a firmware updater from LaCie or another vendor to update the firmware on a drive not manufactured by that vendor, this procedure is not recommended.

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