ocr: Reserved - IFS Manager Volume Tracker - File System Driver and Type Specific Driver 8 Vendor Supplied Driver 11 SCSI-izer 12 Vendor Supplied Drive Reserved 19 Miscellaneous Port Driver 20 SCSI Miniport and Port Driver 22 Hard Disk Port Driver Reserved 25 Floppy Port Driver Reserved 29 Real-Mode Mapper Reserved Figure 1: File-system layers.
