I just picked up off eBay a Fujitsu MAS318RNC 18GB 15K RPM HD that appears to be DOA. Have tried 2 different 80 - 50 pin adapters, 2 different SCSI cables, the machine Bus 1, and Bus 2, an Adaptec PCI card. System is a 9500/G4 800 OS 9.2.2. None of the utilities (Hard Disk Speedtools, FWB, MT...