INFORMATION PROCESSING - DATA INTERCHANGE ON 90 MM (3.5 IN) FLEXIBLE DISK CARTRIDGES USING MODIFIED FREQUENCY MODULATION RECORDING AT 7 958 FTPRAD ON 80 TRACKS ON EACH SIDE - PART 2: TRACK FORMAT

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2002

Publisher

Information Technology Industry Council

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

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

DocumentType	Standard
Pages	15
PublisherName	Information Technology Industry Council
Status	Current

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 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