IBM 1132 (original) (raw)
The IBM 1132 line printer was the normal printer for the IBM 1130 computer system. It printed 120 character lines at 80 lines per minute. The character set consisted of numbers, upper-case letters and some special characters. Sometimes a printer output line transistor would fail, resulting in a blank print position. If you knew your way around inside the 1130, it was possible to swap circuit cards so as to move the bad print position to near the right end of the printed line. This kept the 1130 usable until the repair person showed up.
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| dbo:abstract | The IBM 1132 line printer was the normal printer for the IBM 1130 computer system. It printed 120 character lines at 80 lines per minute. The character set consisted of numbers, upper-case letters and some special characters. The 1965-introduced 1132 was built around a stripped down IBM 407 printing mechanism. The 407 was IBM's top-of-the-line accounting machine from the 1950s. The 1130 had 120 power transistors, each wired to the print magnet for one printer column. The magnet released a lever that engaged a cam with a spinning clutch shaft. The engaged cam then made one revolution, pushing its print wheel toward the ribbon and paper, thereby printing one character. As the set of 120 print wheels spun, the 1130 received an interrupt as each of the possible 48 characters was about to move into position. The printing driver software had to quickly output a 120 bit vector designating which transistors were to fire so as to drive the print wheel against the ribbon and paper. This put a big performance burden on the CPU, but resulted in an inexpensive (for the time) printer. Sometimes a printer output line transistor would fail, resulting in a blank print position. If you knew your way around inside the 1130, it was possible to swap circuit cards so as to move the bad print position to near the right end of the printed line. This kept the 1130 usable until the repair person showed up. The 1132 came in two models with the following characteristics: * Standard 48-character-set typewheels with A..Z, 0..9 and the symbols . , + - * / = ' $ &. * Model 1 prints up to 80 alphameric or 110 numeric lines per minute and can be attached to 1131 CPU Models 1, 2, 3, and 5. * Model 2 prints up to 40 alphameric or 55 numeric lines per minute and may be attached only to the 1131 CPU Model 4. * Standard 120 print-line positions spaced 10 characters per inch. * Operator selection of vertical line spacing, 6 or 8 lines per inch. * Forms skipping under program control through automatic, paper-tape-controlled carriage. * Printer operation under stored-program control through automatic interrupt system. * Direct connection to the 1131 Central Processing Unit by means of the 1132 Printer Attachment and an Expansion Adapter. (en) |
| dbo:predecessor | dbr:IBM_407 |
| dbo:thumbnail | wiki-commons:Special:FilePath/IBM_Logo_1956_1972.svg?width=300 |
| dbo:type | dbr:Line_printer |
| dbo:wikiPageExternalLink | http://media.ibm1130.org/IBM%20227-3622-1%20FETO-MOI%201132%20printer.pdf https://www.flickr.com/photos/32324331@N02/3573898461 http://bitsavers.org/pdf/ibm/1130/functional_characteristics/A26-5881-3_1130_Functional_Characteristics.pdf http://ed-thelen.org/comp-hist/mak-IBM-1130.html |
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| dbo:wikiPageWikiLink | dbr:Device_driver dbr:Line_printer dbc:Line_printers dbr:Interrupt dbr:Transistor dbr:IBM dbr:IBM_1130 dbr:IBM_1403 dbr:IBM_407 dbr:Carriage_control_tape dbc:IBM_printers dbr:CPU dbc:IBM_1130 dbr:IBM_1443 dbr:Unit_record_equipment dbr:File:IBM_1130_with_IBM_1132_printer_open_(7415892502).jpg |
| dbp:caption | 1132 (xsd:integer) |
| dbp:developer | dbr:IBM |
| dbp:imageSize | 270 (xsd:integer) |
| dbp:logo | File:IBM Logo 1956 1972.svg (en) |
| dbp:logoSize | 120 (xsd:integer) |
| dbp:name | IBM 1132 (en) |
| dbp:predecessor | dbr:IBM_407 |
| dbp:related | dbr:IBM_1403 dbr:IBM_1443 |
| dbp:type | dbr:Line_printer |
| dbp:wikiPageUsesTemplate | dbt:Reflist dbt:Short_description dbt:Start_date_and_age dbt:Infobox_computer dbt:IBM_midrange_computers |
| dcterms:subject | dbc:Line_printers dbc:IBM_printers dbc:IBM_1130 |
| gold:hypernym | dbr:Printer |
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| rdfs:comment | The IBM 1132 line printer was the normal printer for the IBM 1130 computer system. It printed 120 character lines at 80 lines per minute. The character set consisted of numbers, upper-case letters and some special characters. Sometimes a printer output line transistor would fail, resulting in a blank print position. If you knew your way around inside the 1130, it was possible to swap circuit cards so as to move the bad print position to near the right end of the printed line. This kept the 1130 usable until the repair person showed up. (en) |
| rdfs:label | IBM 1132 (en) |
| owl:sameAs | freebase:IBM 1132 yago-res:IBM 1132 wikidata:IBM 1132 https://global.dbpedia.org/id/4n8Kr |
| prov:wasDerivedFrom | wikipedia-en:IBM_1132?oldid=1111403730&ns=0 |
| foaf:depiction | wiki-commons:Special:FilePath/IBM_Logo_1956_1972.svg wiki-commons:Special:FilePath/IBM_1130_with_IBM_1132_printer_open_(7415892502).jpg wiki-commons:Special:FilePath/Vintage_Computer_Festival_2010_056_(4717096457)_(cropped).jpg |
| foaf:isPrimaryTopicOf | wikipedia-en:IBM_1132 |
| foaf:name | IBM 1132 (en) |
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| is dbp:related of | dbr:IBM_1403 |
| is foaf:primaryTopic of | wikipedia-en:IBM_1132 |
