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ECMA-52

Magnetic 12-disk packs (200 Mbytes)

1st edition, September 1977

In September 1975 ECMA issued Standard ECMA-45 for magnetic 12-disk packs with a density of 100 Mbytes. It corresponded to similar work undertaken in ANSI and ISO.

Further work was then started in these organizations and in ECMA on 12-disk packs with a density of 200 Mbytes. This Standard ECMA-52 defines the dimensional, physical and magnetic characteristics of such packs as well as a pre-initialization scheme, for procurement purposes.

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Technical CommitteeThis TC is no longer active