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EN 28860-2 : 1989

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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 90 MM (3.5 IN.) FLEXIBLE DISK CARTRIDGES USING MODIFIED FREQUENCY MODULATION AT 7958 FTPRAD, 5.3 TPMM (135 TPI) ON BOTH SIDES - PART 2: TRACK FORMAT

Withdrawn date

05-24-2000

Published date

01-12-2013

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0 Introduction
1 Scope and field of application
2 Conformance
3 References
4 General requirements
  4.1 Mode of recording
  4.2 Track location tolerance of the recorded flexible disk
       cartridge
  4.3 Recording offset angle
  4.4 Density of recording
  4.5 Flux transition spacing
  4.6 Average Signal Amplitude
  4.7 Byte
  4.8 Sector
  4.9 Cylinder
  4.10 Cylinder number
  4.11 Data capacity of a track
  4.12 Hexadecimal notation
  4.13 Error Detection Characters (EDC)
5 Track layout
  5.1 Index Gap
  5.2 Sector Identifier
  5.3 Identifier Gap
  5.4 Data Block
  5.5 Data Block Gap
  5.6 Track Gap
6 Coded representation of data
  6.1 Standards
  6.2 Coding methods
Annexes
A EDC implementation
B Procedure and equipment for measuring flux transition
  spacing
C Data separators for decoding MFM recording
Bibliography

Defines the track layout, the track format and the characteristics of recorded signals.

Committee
CS F12
DevelopmentNote
Also numbered as ISO 8860-2 and BS 6958-2(1988) (09/2005)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Withdrawn

ISO/IEC 6429:1992 Information technology Control functions for coded character sets
ISO/IEC 2022:1994 Information technology Character code structure and extension techniques
ISO 9293:1987 Information processing Volume and file structure 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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