Thanks to everyone who helped with this. As it turns out, this drive has a place for a jumper documented to "Disable TI Negotiation." Before giving up all hope, I put a jumper in there. This apparently made it possible to partition the disk, and things look good now. >>However, when I attempt to partition it, I see: > >> RamFAST MLI Error! >> Command: 04-03 86 00 60 05 00 00 00 00 >> Status: 2F >