• ANSI INCITS 126 : 1986 : R2002

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    INFORMATION TECHNOLOGY - ONE- AND TWO-SIDED DOUBLE DENSITYUNFORMATTED 5.25 INCH (130 MM) 96 TRACKS PER INCH (3.8 TRACKS PER MM) FLEXIBLE DISK CARTRIDGE - GENERAL, PHYSICAL, AND MAGNETIC REQUIREMENTS FOR 7958 BPR USE

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2017

    Publisher:  Information Technology Industry Council

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    Table of Contents - (Show below) - (Hide below)

    1 Scope, Purpose and Application
      1.1 Scope
      1.2 Purpose
      1.3 Application
    2 Referenced Standards
      2.1 American National Standards
      2.2 Other Standards
    3 Definitions
    4 General Requirements
      4.1 Environment
      4.2 Materials
      4.3 Disk Cartridge Assembly
    5 Physical Requirements
      5.1 Dimensions
      5.2 Torque
      5.3 Physical Properties of the Coated Disk
      5.4 Disk Coating
      5.5 Magnetic Coating Resistivity
      5.6 Flammability
      5.7 Toxicity
    6 Test Track Requirements (Track and Recording Information)
      6.1 Number
      6.2 Width
      6.3 Location
      6.4 Physical Identification
      6.5 Index
    7 Reference Surfaces
    8 Magnetic Characteristics
      8.1 Data Surfaces
      8.2 Signal Quality
    Appendixes
    Appendix A Optic System for Light-Transmittance Measurement of
                Flexible Disk
    Figure A1 Optic System for Light-Transmittance Measurement of
                Flexible Disk
    Appendix B Drop-Thru Test Gauge
    Figure B1 Drop-Thru Test Gauge
    Appendix C Abrasivity Evaluation
                C1. Comparative Disk
                C2. Wear Test Disk
                C3. Wear Revolution
                C4. Test Procedure

    Abstract - (Show below) - (Hide below)

    Describes the general, physical, and magnetic requirements for interchangeability of the one- or two-sided, 5.25 inch (130 mm) (nominal), 96 tracks-per-inch (tpi) (3.8 tracks-per-millimeter (tpmm)) flexible disk cartridge (for 7958 bits-per-radian (bpr) use) as required to achieve unformatted disk cartridge interchange among disk drives using 80 tracks per side and associated information processing systems.

    General Product Information - (Show below) - (Hide below)

    Committee X3B8
    Document Type Standard
    Product Note Reconfirmed 2002
    Publisher Information Technology Industry Council
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    IEEE 268 : 1992 METRIC PRACTICE, STANDARD FOR
    ISO 370:1975 Toleranced dimensions Conversion from inches into millimetres and vice versa
    ASTM D 257 : 2014 : REDLINE Standard Test Methods for DC Resistance or Conductance of Insulating Materials
    ASTM D 1922 : 2015 : REDLINE Standard Test Method for Propagation Tear Resistance of Plastic Film and Thin Sheeting by Pendulum Method
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