J.3 Media Formats

J.3 Media Formats (Current)
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J.3.1.1 DVD-RAM Physical Format

The physical format of DVD-RAM media shall comply with the applicable definitions within "DVD Specifications for Rewritable Disc (DVD-RAM 4.7GB) : Part 1 - Physical Specifications Version 2.0" with the additional modifications described in the following sub-sections.

Note

Two physical forms of DVD-RAM are available, a double-sided variety (Type 1), and a single-sided variety (Type 2). Only Type 2 media can be removed from its cartridge and inserted in a conventional DVD-ROM drive.

J.3.1.1.1 DVD-RAM Sector Format

The sector format of DVD-RAM media shall comply with the applicable definitions in "DVD Specifications for Rewritable Disc (DVD-RAM 4.7GB) : Part 2 - File System Specifications Version 2.0".

DVD-RAM is a truly random access media, providing random access to fixed length sectors, hence no multi-session or packet-written format is applicable.

J.3.1.2 DVD-RAM Logical Format

There are no requirements, restrictions, options or extensions to the logical format that are specific to this media type, beyond those specified in Section J.2.

J.3.1.3 DVD-RAM Physical Media

The physical medium shall be the 120 mm DVD-RAM medium as defined in "DVD Specifications for Rewritable Disc (DVD-RAM 4.7GB) : Part 1 - Physical Specifications Version 2.0".

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