Volume and File Structure of Read-Only
and Write-Once Compact Disk Media for Information Interchange
2nd edition (December 1994)
This Standard specifies a format and associated system requirements
for volume and boot block recognition, volume structure, file
structure and record structure for the interchange of information
between users of information processing systems using CD-WO (a
write-once compact disc medium), hybrid CD-WO (a write-once compact
disc with a read-only area), and CD-ROM disks.
CD-WO is an evolution of CD-ROM technology which allows the recording
of information on a write-once Compact Disc medium.
A volume set may be recorded that is in conformance with both
ECMA-119 and ECMA-168. ECMA-168 is
an enhancement of ECMA-119. ECMA-168
allows greater information interchange using CD-ROM. In addition,
it supports incremental recording and updating of information
stored on a CD-WO disk. Under certain restrictions (see 3/B.2.1),
all of the files may be read by both a receiving system conforming
to ECMA-119 and by a receiving system
conforming to ECMA-168.
This Standard consists of the following four Parts:
- Part 1: General
- Part 2: Volume and Boot Block Recognition
- Part 3: Volume and File Structure
- Part 4: Record Structure
- Annex A - Restrictions on a standard for recording, is part
of Part 3
- Annex B - Methods of interchange, is part of Part 3
- Annex C - CD-WO disc format and system requirements, is part
of Part 3
- Annex D - CD-WO subsystem interface requirements, is part
of Part 3.
Part 1 specifies references, definitions, notation and basic structures
that apply to the other three Parts.
The following file can be freely downloaded:
||Acrobat (r) PDF file
This Ecma publication is also approved as ISO/IEC 13490.
The previous replaced "historical" edition of this Ecma Standard is not available.