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I.S. EN 27487-2:1991

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

INFORMATION PROCESSING - DATA INTERCHANGE ON 130 MM (5.25 IN.) FLEXIBLE DISK CARTRIDGES USING MODIFIED FREQUENCY MODULATION RECORDING AT 7958 FTPRAD, 1.9 TPMM (48 TPI), ON BOTH SIDES - PART 2: TRACK FORMAT A
Available format(s)

Hardcopy , PDF

Withdrawn date

24-05-2000

Language(s)

English

Published date

31-05-1991

Publisher

National Standards Authority of Ireland

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

0 Introduction
1 Scope and field of application
2 Conformance
3 References
4 Track format
  4.1 General requirements
  4.2 Track layout after the first formatting for track 00,
      side 0
  4.3 Track layout after the first formatting for all
      tracks other than track 00, side 0
  4.4 Track layout of a recorded flexible disk for data interchange
Annexes
A EDC implementation
B Procedure and equipment for measuring flux transition spacing
C Data separators for decoding MFM recording

Defines the quality of recorded signals the track layout, and a track format to be used on such a flexible disk cartridge, which is intended for data interchange between data processing systems.

DocumentType
Standard
Pages
25
PublisherName
National Standards Authority of Ireland
Status
Withdrawn

Standards Relationship
ISO 7487-2:1985 Identical
EN 27487-2 : 1989 Identical

ISO/IEC 4873:1991 Information technology ISO 8-bit code for information interchange Structure and rules for implementation
ISO/IEC 2022:1994 Information technology Character code structure and extension techniques
ISO/IEC 7487-1:1993 Information technology Data interchange on 130 mm (5,25 in) flexible disk cartridges using modified frequency modulation recording at 7 958 ftprad, 1,9 tpmm (48 tpi), on both sides ISO type 202 Part 1: Dimensional, physical and magnetic characteristics
ISO 7665:1983 Information processing File structure and labelling of flexible disk cartridges for information interchange
ISO/IEC 646:1991 Information technology ISO 7-bit coded character set for information interchange

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Hardcopy - English
PDF - English
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