This SCSI device contains the Macintosh Volume with the system that was used to start up the computer. You will not be able to Unlock, Mount, or unmount this device. You can, however, click the Info button for more details about this device. Startup volume is not on this drive. This SCSI device does not contain the startup system.
Volume is mounted.
This SCSI device contains a Macintosh Volume that is currently mounted. It is required that Unlock be performed on unmounted volumes. If you cannot get the SCSI device fully Unlocked, try unmounting the volume. Volume is not mounted. This SCSI device does not have any of its Macintosh volumes currently mounted.