EN 29293 : 1989

Section one: General
0 Introduction
1 Scope and field of application
2 Conformance
   2.1 Conformance of a flexible disk cartridge
   2.2 Conformance of an information processing system
3 References
4 Definitions
   4.1 byte
   4.2 data field of a sector
   4.3 data interchange standard
   4.4 defective sector
   4.5 descriptor
   4.6 file
   4.7 formatting
   4.8 implementation
   4.9 initialization
   4.10 originating system
   4.11 receiving system
   4.12 sector
   4.13 track
   4.14 user
   4.15 fixed-length record
   4.16 record
   4.17 segment
   4.18 segmented record
   4.19 variable-length record
5 Notations
   5.1 Decimal and hexadecimal notations
   5.2 Other notations
   5.3 Capital letters
Section two: Requirements for the medium
6 Volume structure
   6.1 Arrangement of data on a flexible disk cartridge
   6.2 Arrangement of the Data Area.
   6.3 Arrangement of the System Area
   6.4 Files
   6.5 Sub-directories
7 Contents of a file
8 Recording of descriptor fields
   8.1 Numerical values in one-byte fields
   8.2 Numerical values in two-byte fields
   8.3 Numerical values in four-byte fields
   8.4 Pairs of 12-bit integers
   8.5 Character set and coding
   8.6 Justification of characters
9 FDC Descriptor
   9.1 FDC Descriptor layout
   9.2 FDC Descriptor fields
10 File Allocation Table
   10.1 Format Identifier
   10.2 FAT entries
   10.3 Number of sectors in each FAT
   10.4 Recorded form of the FAT
11 File directories
   11.1 Characteristics
   11.2 Directory entry types
   11.3 General definition of Directory Entry Fields
   11.4 File Entry
   11.5 Volume Label Entry
   11.6 Sub-directory Pointer Entry
   11.7 Sub-directory identifier Entry
   11.8 Sub-directory Parent Pointer entry
   11.9 Not-currently-used Entry
   11.10 Never-used Entry
Section three: Requirements for systems
12 Requirements for the description of systems
13 Requirements for an originating system
   13.1 General
   13.2 Files
   13.3 Descriptors
14 Requirements for a receiving system
   14.1 General
   14.2 Files
   14.3 Descriptors
Section four: Record structure
15 Record structure
   15.1 General
   15.2 Records
   15.3 Attributes of record-structured files
   15.4 Requirements for systems implementing section four
Annexes
A - Parameter values for FDCs conforming to an International Standard
    for data interchange
B - Parameter values for other EDC formats
C - IS0 646: International Reference Version (IRV)
D - Example of volume structures and file location
E - Index of acronyms

Defines the volume and file structure of flexible disk cartridges (FIX) for the interchange of information between users of information processing systems.