IBM 3363 Optical WORM
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Revision as of 18:40, 25 August 2024
IBM 3363 Optical WORM discs were a predecessor to CD-Rs.
200MB capacity, 512 byte sectors, custom filesystem.
Sectors could be written once but thereafter could not be modified. However, sectors could be deleted after writing, but deleted sectors could not be undeleted or reused.
