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Standard

NEK ISO/IEC 20162:2001

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Abstract

This International Standard specifies the characteristics of a 300 mm optical disk cartridge (ODC) of Type WORM (WriteOnce Read Many) using irreversible effects, with a capacity of 30 Gbytes. This WORM ODC's uses writing effects that areinherently irreversible. Written marks cannot be erased and attempted modifications of the written marks are detectable.This International Standard specifies− the conditions for conformance testing and the Reference Drive;− the environments in which the cartridges are to be operated and stored;− the mechanical, physical and dimensional characteristics of the cartridge, so as to provide mechanical interchange abilitybetween data processing systems;− the format of the information on the disk, both pre-written and user-written, including the physical disposition of the tracksand sectors, the error correction codes, the modulation methods used;− the characteristics of the prerecorded information on the disk;− the recording characteristics of the disk, enabling processing systems to write data onto the disk;− the minimum quality of user-written data on the disk, enabling data processing systems to read data from the disk.This International Standard provides for interchange between optical disk drives. Together with a standard for volume and filestructure it provides for full data interchange between data processing systems.

Document information

  • Standard from NEK
  • Published:
  • Withdrawn:
  • Edition: 1.0
  • Version: 1
  • Document type: NAT
  • Pages
  • ICS 35.220.30
  • National Committee ISO/IEC JTC 1/SC 23

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