I changed the title of this thread to more accurately describe this problem.

The revised topic title is a step in the right direction, but still understates the problem. Even the drives that Lenovo/IBM sanctions do not upgrade with their new firmware, and they persistently indicate an error.

This issue is not really so much about a Seagate drive in the T43 machines, as it is about the difficulty (impossibility?) of upgrading hard drives not purchased directly from IBM. It is a problem even for those drives that are supposed to be supported by the current firmware upgrade version 10, rel...