I am trying to format a Seagate ST15150 SCSI HD and change the Block size from 512 to 4096. When using the Format utility that is part of the proprietary video application that is accessing this drive, the formatting process proceeds through 100% completion, then gets stuck in the process of "Updating Disk Information...". The block size is configurable in the Format utility but it remains at 512 instead of going to 4096 that I choose from a drop-down menu. I don't even know what Block size means and have been unable to track down any additional info through Google or this site. The Operating system is Workstation 4.0, altough I'm not sure if this has anything to do with my problem.