538 System Details Note (R)
Record Type |
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BIB |
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Input Standards |
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Field (Full/Minimal) | ||
Required if applicable/Required if applicable | ||
1st Indicator Undefined | ||
Undefined | ||
2nd Indicator Undefined | ||
Undefined | ||
Subfields (R=Repeatable NR=Nonrepeatable) | Input Standards (Full/Minimal) | |
ǂa | System details note (NR) | Mandatory/Mandatory |
ǂi | Display text (NR) | Optional/Optional |
ǂu | Uniform Resource Identifier (R) | Optional/Optional |
ǂ3 | Materials specified (NR) | Optional/Optional |
ǂ5 | Institution to which field applies (NR) | Required if applicable/Required if applicable |
ǂ6 | Linkage (NR) | System supplied/System supplied |
ǂ8 | Field link and sequence number (R) | Optional/Optional |
Definition |
A note about the technical information for the item. Such information includes the absence or presence of certain kinds of codes or the physical characteristics of a computer file such as blocking factors, mode of access, parity, recording densities, software programming language, computer requirements, peripheral requirements, trade name or recording systems, number of lines of resolution, and modulation frequency. Links to technical details relating to digital resources may also be recorded. Some of the information included in field 538 may also be recorded in such fields as 340, 344, 345, 346, and 347. For information on punctuation, see the Punctuation section below. |
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COM | For software, enter data such as computer requirements (e.g., computer manufacturer and model, memory requirements, or operating system), peripheral requirements (e.g., number of disk or drum units, number of tape drives, number of terminals, or other peripheral devices, support software, or related equipment) or software programming language. |
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REC, VIS | For sound recordings and video recordings, use for information about the trade name or recording system(s) (e.g., VHS), modulation frequency, and number of lines of resolution. For guidance on describing and encoding the attributes of audio recording carriers, see “Supplement 1” of the Music Library Association’s Supplements to Best Practices for Music Cataloging Using RDA and MARC21. |
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1st Indicator |
Undefined. The 1st indicator position is undefined and contains a blank.
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2nd Indicator |
Undefined. The 2nd indicator position is undefined and contains a blank.
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Subfields |
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ǂa System details note | The entire text of the note.
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ǂi Display text | Display and identification of the materials described in subfield ǂu.
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ǂu Uniform Resource Identifier | For information about subfield ǂu, see Control Subfields. Repeat subfield if digital object has multiple identifiers (URIs).
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ǂ3 Materials specified | For information about subfield ǂ3, see Control Subfields.
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ǂ5 Institution to which field applies | For information about subfield ǂ5, see Control Subfields.
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ǂ6 Linkage | Data that link fields when non-Latin script is entered. This subfield is system supplied and does not appear in OCLC online displays. Do not manually add subfield ǂ6. For more information about subfield ǂ6, see Control Subfields. |
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ǂ8 Field link and sequence number | For information about subfield ǂ8, see Control Subfields. |
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Punctuation |
For records containing punctuation, follow these instructions:
For records containing minimal or no punctuation, include incidental punctuation needed within any subfields. Otherwise, omit the punctuation outlined above.
For more information on punctuation, including OCLC policy, see section 2.8, Punctuation. |
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Indexing |
For indexing and searching information, see Searching WorldCat Indexes, field 538. |
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MARC 21 |
For more information, including content designator history, see MARC 21 Format for Bibliographic Data, field 538. |