HP Ultrium WORM PreLabeled Data Cartridge

HP Ultrium WORM PreLabeled Data Cartridge ... cartridge from a RW data cartridge using two independent methods. WORM identity is encoded in the LTO-CM; this is different information to the RW tape. The WORM servocode is different. Both sets of information are written at the time of cartridge manufacture and ensure that a drive can never identify a WORM data cartridge as a RW data cartridge.