INT 13 - Future Domain SCSI CONTROLLER - STOP SCSI DISK
        AH = 12h
        DL = hard drive ID
Return: CF set on error
        AH = status code (see AH=01h)
Notes:  available at least on the TMC-870 8-bit SCSI controller BIOS v6.0A
        if the given drive is a SCSI device, the SCSI Stop Unit command is sent
          and either "Disk prepared for shipping" or "Disk Stop command failed"
          is displayed