INCITS/ISO 8630-2 : 1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
INFORMATION PROCESSING - DATA INTERCHANGE ON 130 MM (5.25 IN) FLEXIBLE DISK CARTRIDGES USING MODIFIED FREQUENCY MODULATION RECORDING AT 13262 FTPRAD, ON 80 TRACKS ON EACH SIDE - PART 2: TRACK FORMAT A FOR 77 TRACKS
Hardcopy , PDF
22-04-2024
English
01-01-2002
Important note : Users cannot be edited or removed once added to your Multi user PDF.
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 after the first formatting for track 00, side 0
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 Track layout after the first formatting for all tracks
excluding track 00, side 0
6.1 Index Gap
6.2 Sector Identifier
6.3 Identifier Gap
6.4 Data Block
6.5 Data Block Gap
6.6 Track Gap
7 Track layout of a recorded flexible disk for data interchange
7.1 Representation of characters
7.2 Good and bad cylinders
7.3 Requirements for cylinders
7.4 Layout of the tracks of a good cylinder
7.5 Layout of the tracks of a bad cylinder
Annexes
A EDC implementation
B Procedure and equipment for measuring flux transition spacing
C Data separators for decoding MFM recording
Describes the quality of recorded signals, the track layout, and a track format to be used on 130 mm (5.25 in), 13262 ftprad flexible disk cartridges intended for data interchange between data processing systems.
| DocumentType |
Standard
|
| Pages |
16
|
| PublisherName |
Information Technology Industry Council
|
| Status |
Superseded
|
| SupersededBy |
| ISO/IEC 6429:1992 | Information technology Control functions for coded character sets |
| 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 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 |
| ISO 7065-2:1985 | Information processing Data interchange on 200 mm (8 in) flexible disk cartridges using modified frequency modulation recording at 13 262 ftprad, 1,9 tpmm (48 tpi), on both sides Part 2: Track format |
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.