I purchased a modern LaCie FW 400 drive for use with my Power Mac 5400 with a Sonnet Tango 2.0 card and running Mac OS 9.1. The machine has no difficulty recognizing the drive, but neither Drive Setup nor Hard Disk Toolkit is able to format the drive. Is there any specific tool I should use for this on OS 9.1? Or am I relegated to using a modern Mac to format the device before moving it back to the 5400?