I.S. EN 27487-2:1991
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.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
Hardcopy , PDF
English
31-05-1991
24-05-2000
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.
Dates of withdrawal of national standards are available from NSAI.
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Withdrawn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 |
| DIN EN 27487-2:1991-12 | Equivalent |
This standard has been withdrawn and is no longer current. No replacement edition is available.
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