dsSCSIWarn - Portable SCSI adapter warning.

dsShutDownOrResume - allow user to return to Finder or ShutDown

dsDirtyDisk - request user to return a manually-ejected dirty disk

dsRemoveDisk - request user to remove disk from manual eject drive

dsForcedQuit - allow the user to ExitToShell, return if Cancel

dsSwitchOffOrRestart - user choice between switching off and Restart

dsShutDownOrRestart - user choice between ShutDown and Restart