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35.220.20 - Magnetic storage devices in general

ICS 35.220.20 Details

Magnetic storage devices in general

Magnetische Speichermedien

Mémoires magnétiques en général

Magnetne shranjevalne naprave na splošno

General Information

Parent
35.220 - Data storage devices
Standardization Organization
Technical Committee
Directive
Mandate
50
ISO
ISO/IEC 20919:2021(Main)
Information technology — Linear tape file system (LTFS) Format specification

This document defines the LTFS Format requirements for interchanged media that claims LTFS compliance. Those requirements are specified as the size and sequence of data blocks and file marks on the media, the content and form of special data constructs (the LTFS Label and LTFS Index), and the content of the partition labels and use of MAM parameters. The data content (not the physical media) of the LTFS format shall be interchangeable among all data storage systems claiming conformance to this format. Physical media interchange is dependent on compatibility of physical media and the media access devices in use. NOTE: This document does not contain instructions or tape command sequences to build the LTFS structure.

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IEC
IEC TR 62291:2009(Main)
Multimedia data storage - Application program interface for UDF based file systems

IEC/TR 62291:2009(E) specifies an application program interface (API) for reading and writing the files which conform to the Universal Disk Format (UDF) ® specification revision 2.00 developed by the Optical Storage Technology Association (OSTA) and its security extension. This second edition cancels and replaces the first edition, published in 2002, and constitutes a technical revision. The significant changes with respect to the first edition are the following:
- reference document ISO/IEC 9945-1:1990 is replaced with ISO/IEC 9945-2:2003;
- reference document UDF 2.00 is replaced with UDF 2.01.

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ISO
ISO/IEC 22091:2002(Main)
Information technology — Streaming Lossless Data Compression algorithm (SLDC)

ISO/IEC 22091:2002 specifies a lossless compression algorithm to reduce the number of 8-bit bytes required to represent data records and File Marks. The algorithm is known as Streaming Lossless Data Compression algorithm (SLDC). ISO/IEC 22091:2002 is based on ISO/IEC 15220. It extends that algorithm with the addition of control symbols that allow records of different sizes and compressibility, along with File Marks, to be efficiently encoded into an output stream which requires little or no additional control information for later decoding. The numerical identifier according to ISO/IEC 11576 allocated to this algorithm is 6.

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IEC
IEC TR 62291:2002(Main)
Multimedia data storage - Application program interface for UDF based file systems

Specifies an application program interface (API) for reading and writing the files which conform to the Universal Disk Format (UDF) specification revision 2.00 developed by the Optical Storage Technology Association (OSTA) and its security extension.

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    15 pages
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ISO
ISO/IEC 13346-2:1999(Main)
Information technology — Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange — Part 2: Volume and boot block recognition

This part of ISO/IEC 13346 specifies a format and associated system requirements for volume and boot block recognition by specifying: volume recognition; boot descriptors intended for use to bring a system to a known state; levels of medium interchange; requirements for the processes which are provided within information processing systems, to enable information to be interchanged between different systems; for this purpose, this part of ISO/IEC 13346 specifies the functions to be provided within systems which are intended to originate or receive media which conform to this part of ISO/IEC 13346.

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ISO
ISO/IEC 13346-3:1999(Main)
Information technology — Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange — Part 3: Volume structure

ISO/IEC 13346 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 on media between users of information processing systems. The media shall be recorded as if the recording of sectors may be done in any order. Note 1 - The medium is not restricted to being of only one type; the type of medium may be either write once, or read only, or rewritable, or a combination of these types. ISO/IEC 13346 consists of the following five Parts: Part 1: General Part 2: Volume and Boot Block Recognition Part 3: Volume Structure Part 4: File Structure Part 5: Record Structure Annex A - ICB Strategies, is part of ISO/IEC 13346-4. This part of ISO/IEC 13346 specifies a format and associated system requirements for volume structure by specifying: the attributes of a volume and the descriptors recorded on it; the relationship among volumes of a volume set; the attributes of a partition of a volume; the attributes of a logical volume and the descriptors recorded on it; levels of medium interchange; requirements for the processes which are provided within information processing systems, to enable information to be interchanged between different systems; for this purpose, it specifies the functions to be provided within systems which are intended to originate or receive media which conform to this part of ISO/IEC 13346.

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ISO
ISO/IEC 13346-4:1999(Main)
Information technology — Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange — Part 4: File structure

ISO/IEC 13346 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 on media between users of information processing systems. The media shall be recorded as if the recording of sectors may be done in any order. Note 1 - The medium is not restricted to being of only one type; the type of medium may be either write once, or read only, or rewritable, or a combination of these types. This International Standard consists of the following five Parts: Part 1: General Part 2: Volume and Boot Block Recognition Part 3: Volume Structure Part 4: File Structure Part 5: Record Structure Annex A - ICB Strategies, is part of this part of ISO/IEC 13346. This part of ISO/IEC 13346 specifies a format and associated system requirements for file structure by specifying: - the placement of files; - the attributes of the files; - the relationship among files of a logical volume; - levels of medium interchange; - requirements for the processes which are provided within information processing systems, to enable information to be interchanged between different systems; for this purpose, it specifies the functions to be provided within systems which are intended to originate or receive media which conform to this part of ISO/IEC 13346.

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ISO
ISO/IEC 13346-5:1995(Main)
Information technology — Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange — Part 5: Record structure

Specifies a format and associated system requirements for record structure for the interchange of information on media between users of information processing systems by specifying record structures, the attributes of the records of a file and requirements for the processes to enable information to be interchanged between different systems.

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ISO
ISO/IEC 13346-1:1995(Main)
Information technology — Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange — Part 1: General

Consists of five parts; part 1 specifies references, definitions, notation and basic structures that apply to the other four parts.

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ISO
ISO/IEC 12042:1993(Main)
Information technology — Data compression for information interchange — Binary arithmetic coding algorithm

Specifies an algorithm for the reduction of the number of bits required to represent information. This process is known as data compression. The algorithm uses binary arithmetic coding and provides lossless compression and is intended for use in information interchange.

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ISO
ISO/IEC 11558:1992(Main)
Information technology — Data compression for information interchange — Adaptive coding with embedded dictionary — DCLZ Algorithm

Specifies a lossless compression algorithm (DCLZ - Data Compression according to Lempel and Ziv) to reduce the number of bits required to represent information coded by means of 8-bit bytes. This algorithm is particularly useful when information has to be recorded on an interchangeable medium. Its use is not limited to this application.

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ISO
ISO/IEC 20919:2016(Main)
Information technology — Linear Tape File System (LTFS) Format Specification

ISO/IEC 20919:2016 defines the LTFS Format requirements for interchanged media that claims LTFS compliance. Those requirements are specified as the size and sequence of data blocks and file marks on the media, the content and form of special data constructs (the LTFS Label and LTFS Index), and the content of the partition labels and use of MAM parameters. The data content (not the physical media) of the LTFS format shall be interchangeable among all data storage systems claiming conformance to this format. Physical media interchange is dependent on compatibility of physical media and the media access devices in use. ISO/IEC 20919:2016 does not contain instructions or tape command sequences to build the LTFS structure.

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CEN
EN 28630-2:1992/A1:1993(Amendment)
Information processing - Data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 13 262 ftprad, on 80 tracks each side - Part 2: Track format A for 77 tracks (ISO 8630-2:1987, Technical Corrigendum 1:1992)
SIST EN 28630-2:1997/A1:1997
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CEN
EN 21864:1993(Main)
Information technology - Unrecorded 12,7 mm (0,5 in) wide magnetic tape for information interchange - 32 ftpmm (800 ftpi) NRZ1, 126 ftpmm (3200 ftpi) phase encoded and 356 ftpm (9042 ftpi) NRZ1 (ISO/IEC 1864:1992)
SIST EN 21864:1997

Specifies the performance requirements together with the test methods and conditions required to show compliance of tubular fluorescent and other gas-discharge lamps with integrated means for controlling starting and stable operation (self-ballasted lamps), intended for domestic and similar general
lighting purposes.

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CEN
EN 28630-3:1992/A1:1993(Amendment)
Information processing - Data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 13 262 ftprad, on 80 tracks on each side - Part 3: Track format B for 80 tracks (ISO 8630-3:1987, Technical Corrigendum 1: 1992)
SIST EN 28630-3:1997/A1:1997
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CEN
EN 27487-3:1989/A1:1993(Amendment)
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 3: Track format B (ISO 7487-3:1986, Technical Corrigendum 1:1991)
SIST EN 27487-3:1997/A1:1997
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CEN
EN 28064:1993(Main)
Information processing - Reels for 12,7 mm (0.5 in) wide magnetic tapes - Sizes 16, 18 and 22 (ISO 8064:1985)
SIST EN 28064:1997

IEC 61156-8:2009(E) relates to IEC 61156-1 and IEC 61156-7. The cables described herein are specified up to 1 200 MHz and are specifically designed to build patch, equipment, and work area cables as defined in ISO/IEC 11801 and ISO/IEC 15018. It covers a cable having four individually screened (STP) pairs. The cable may be provided with a common screen over the cable core. The transmission characteristics are specified for a frequency range 4 MHz to 1 200 MHz and at 20 °C.
The contents of the corrigendum of July 2009 have been included in this copy.

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CEN
EN 26098:1993(Main)
Information processing - Self-loading cartridges for 12,7 mm (0.5 in) wide magnetic tape (ISO 6098:1984)
SIST EN 26098:1997
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CEN
EN 28630-1:1992(Main)
Information processing - Data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 13 262 ftprad, on 80 tracks each side - Part 1: Dimensional, physical and magnetic characteristics (ISO 8630-1:1987, ed. 1)
SIST EN 28630-1:1997
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CEN
EN 28630-3:1992(Main)
Information processing - Data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 13 262 ftprad, on 80 tracks each side - Part 3: Track format B for 80 tracks (ISO 8630-3:1987)
SIST EN 28630-3:1997
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CEN
EN 28630-2:1992(Main)
Information processing - Data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 13 262 ftprad, on 80 tracks each side - Part 2: Track format A for 77 tracks (ISO 8630-2:1987)
SIST EN 28630-2:1997
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CEN
EN 25652:1991(Main)
Information processing - 9-track, 12.7 mm (0.5) wide magnetic tape for information interchange - Format and recording, using group coding at 246 cpmm (6250 cpi) (ISO 5652:1984, ed. 2)
SIST EN 25652:1997
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CEN
EN 28378-3:1989(Main)
Information processing - Data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad, 3,8 tpmm (96 tpi), on both sides - Part 3: Track format B (ISO 8378-3:1986, ed. 1)
SIST EN 28378-3:1997
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CEN
EN 28860-1:1989(Main)
Information processing - Data interchange on 90 mm (3.5 in) flexible disk cartridges using modified frequency modulation recording at 7 958 ftprad, 5,3 tpmm (135 tpi) on both sides - Part 1: Dimensional, physical and magnetic characteristics (ISO 8860-1:1987, ed. 1)
SIST EN 28860-1:1997
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CEN
EN 28860-2:1989(Main)
Information processing - Data interchange on 90 mm (3.5 in) high density flexible disk cartridges using modified frequency modulation recording at 7958 ftprad, 5.3 tpmm (135 tpi) on both sides - Part 2: Track format (ISO 8860-2:1987, ed. 1)
SIST EN 28860-2:1997
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CEN
EN 27487-2:1989(Main)
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 (ISO 7487-2:1985, ed. 1)
SIST EN 27487-2:1997
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CEN
EN 28378-1:1989(Main)
Information processing - Data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad, 3,8 tpmm (96 tpi), on both sides - Part 1: Dimensional, physical and magnetic characteristics (ISO 8378-1:1986, ed. 1)
SIST EN 28378-1:1998
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CEN
EN 28378-2:1989(Main)
Information processing - Data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 7958 ftprad, 3,8 tpmm (96 tpi), on both sides - Part 2: Track format A (ISO 8378-2:1986, ed. 1)
SIST EN 28378-2:1997
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CEN
EN ISO/IEC 9661:1995(Main)
Information technology - Data interchange on 12.7 mm wide magnetic tape cartridges - 18 tracks, 1491 data bytes per millillimetre (ISO/IEC 9661:1994)
SIST EN ISO/IEC 9661:1997
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CEN
EN 29529-1:1991(Main)
Information processing systems - Data interchange on 90 mm (3,5 in) flexible disk cartridges using modified frequency modulation recordings at 15916 ftprad, on 80 tracks on each side - Part 1: Dimensional, physical and magnetic characteristics (ISO 9529-1:1989, ed. 1)
SIST EN 29529-1:1997
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CEN
EN 29529-2:1991(Main)
Information processing systems - Data interchange on 90 mm (3,5 in) flexible disk cartridges using modified frequency modulation recordings at 15916 ftprad, on 80 tracks on each side - Part 2: Track format (ISO 9529-2:1989, ed. 1)
SIST EN 29529-2:1997
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CEN
EN 29983:1991(Main)
Information processing systems - Designation of unrecorded flexible disk cartridges (ISO 9983:1989, ed. 1)
SIST EN 29983:1998
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CEN
EN 29293:1989(Main)
Information processing - Volume and file structure of flexible disk cartridges for information interchange (ISO 9293:1987, ed. 1)
SIST EN 29293:1997
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ISO
ISO/IEC 13346-4:1995(Main)
Information technology — Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange — Part 4: File structure
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    50 pages
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ISO
ISO/IEC 13346-2:1995(Main)
Information technology — Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange — Part 2: Volume and boot block recognition
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    8 pages
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ISO
ISO/IEC 13346-3:1995(Main)
Information technology — Volume and file structure of write-once and rewritable media using non-sequential recording for information interchange — Part 3: Volume structure
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    23 pages
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ISO
ISO/IEC 11576:1994(Main)
Information technology — Procedure for the registration of algorithms for the lossless compression of data

Specifies the procedure to be followed by a registration authority in preparing, maintaining und publishing an international register of numeric identifiers allocated to the algorithms, excluding cryptographic ones. Describes in detail: registration authority; sponsoring authorities; registration, withdrawal, correction and revision procedure; early reservation of an identifier. An identifier registered in accordance with this standard serves as an identification of the algorithm associated with it in the register. Apart from such identification, registration does not affect the status of the algorithm concerned.

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ISO
ISO 9661:1988/Cor 2:1992(Corrigendum)
Information processing — Data interchange on 12,7 mm (0.5 in) magnetic tape cartridges — 18 tracks, 1 491 data bytes per millimetre (37 871 data bytes per inch) — Technical Corrigendum 2
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    1 page
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ISO
ISO/IEC 10777:1991(Main)
Information technology — 3,81 mm wide magnetic tape cartridge for information interchange — Helical scan recording — DDS format
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    100 pages
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ISO
ISO 9661:1988/Cor 1:1990(Corrigendum)
Information processing — Data interchange on 12,7 mm (0.5 in) magnetic tape cartridges — 18 tracks, 1 491 data bytes per millimetre (37 871 data bytes per inch) — Technical Corrigendum 1
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    1 page
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ISO
ISO/IEC 9983:1989(Main)
Information processing systems — Designation of unrecorded flexible disk cartridges
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    3 pages
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    3 pages
    French language
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ISO
ISO 9661:1988(Main)
Information processing — Data interchange on 12,7 mm (0.5 in) magnetic tape cartridges — 18 tracks, 1 491 data bytes per millimetre (37 871 data bytes per inch)
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    42 pages
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    47 pages
    French language
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ISO
ISO 9293:1987(Main)
Information processing — Volume and file structure of flexible disk cartridges for information interchange
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    23 pages
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    23 pages
    French language
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ISO
ISO 7487-1:1985(Main)
Information processing — Data interchange on 130 mm (5.25 in) flexible disk cartridges using modified frequency modulation recording at 7 958 ftprad, 1,9 tpmm (48 tpi), on both sides — Part 1: Dimensional, physical and magnetic characteristics
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ISO
ISO 7901:1984(Main)
Information processing — Unrecorded, hard-sectored, 130 mm (5.25 in) flexible disk cartridges, one or two-sided use — Dimensional, physical, and magnetic characteristics
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