IS 12922 : Part 1 : 1989/ISO 8860-1 : 1987 Specification for 90 mm Flexible Disk Cartridge Using Modified Frequency Recording at 7 958 ftprad on 80 Tracks on Each Side - Part 1 : Dimensional, Physical and Magnetic Characteristics

National Foreword

This Indian Standard (Part 1) which is identical with ISO 8860/1: 1987 `Information processing - Data interchange on 90 mm (3.5 in)flexible disk cartridges using modified frequency modulationrecording at 7 958 ftprad on 80 tracks on each side - Part 1 :Dimensional, physical and magnetic characteristics', issued by the-International Organization for Standardization (ISO) was adoptedby the Bureau of Indian Standards on 15 December 1989 on therecommendations of the Computers, Business Machines and CalculatorsSectional Committee (LTD 24) and approval of the Electronics andTelecommunication Division Council.

The text of ISO standard has been approved as suitable forpublication as Indian Standard without deviations. Certainconventions are however not identical with those used in IndianStandards. Attention is particularly drawn to This:

a) Wherever the words `International Standard' appear referringto this standard, they should be read as `Indian Standard'.

b) Comma (,) has been used as a decimal marker while in IndianStandards the current practice is to use a point (.) as the decimalmarker.

c) For the purpose of this Indian Standard, metric dimensionsshall be applicable.