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The Commodore 2031 and Commodore 4031 are single-unit 5¼" floppy disk drives for Commodore International computers. They use a similar steel case form to the Commodore 9060/9090 hard disk drives, and use the parallel IEEE-488 interface common to Commodore PET/CBM computers. Essentially, both models are a single-drive version of the Commodore 2040/4040 units. The Commodore 2031LP is functionally the same as the 2031, but used the lower-profile tan case of the second version of the Commodore 1540 floppy disk drive intended for home computer use.

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rdfs:label
  • Commodore 2031 (en)
  • Commodore 2031 (es)
  • Commodore 2031 (it)
rdfs:comment
  • The Commodore 2031 and Commodore 4031 are single-unit 5¼" floppy disk drives for Commodore International computers. They use a similar steel case form to the Commodore 9060/9090 hard disk drives, and use the parallel IEEE-488 interface common to Commodore PET/CBM computers. Essentially, both models are a single-drive version of the Commodore 2040/4040 units. The Commodore 2031LP is functionally the same as the 2031, but used the lower-profile tan case of the second version of the Commodore 1540 floppy disk drive intended for home computer use. (en)
  • El Commodore 2031 y el Commodore 4031 son unidades de disquete de una sola unidad de 5¼" para computadoras Commodore International. Usan una carcasa metálica similar al disco duro Commodore 9060/9090 y utilizan la interfaz paralela IEEE-488 común a las computadoras Commodore PET/CBM. Esencialmente, ambos modelos son una versión de unidad simple de las Commodore 2040/4040. El Commodore 2031LP es funcionalmente el mismo que el 2031, pero usaba la carcasa de color beige de perfil más bajo de la segunda versión de la disquetera Commodore 1540 diseñada para uso en computadoras domésticas. (es)
  • Il Commodore 2031 ed il Commodore 4031 sono unità dotate di singolo drive per floppy disk da 5¼" progettati per l'utilizzo con i computer Commodore a 8-bit. Adottano un case largo simile a quello degli hard disk della serie e l'interfaccia IEEE-488 usata nei computer della serie Commodore PET/CBM.Essenzialmente entrambi i modelli sono la versione a singolo disco del Commodore 4040. Il commodore Commodore 2031LP era funzionalmente identico al 2031, ma usava il case a basso profilo del Commodore 1541 (it)
foaf:name
  • Commodore 2031 (en)
name
  • Commodore 2031 (en)
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  • http://commons.wikimedia.org/wiki/Special:FilePath/Commodore_2031.gif
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sameAs
storage
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thumbnail
cpu
memory
  • (en)
  • High profile model: 2 KB SRAM , 16 KB ROM Low profile model: 2 KB SRAM , 16 KB ROM (en)
caption
  • Commodore_2031 disk drive (en)
manufacturer
  • Commodore Business Machines, Inc. (en)
related
type
  • Floppy disk drive (en)
has abstract
  • The Commodore 2031 and Commodore 4031 are single-unit 5¼" floppy disk drives for Commodore International computers. They use a similar steel case form to the Commodore 9060/9090 hard disk drives, and use the parallel IEEE-488 interface common to Commodore PET/CBM computers. Essentially, both models are a single-drive version of the Commodore 2040/4040 units. The Commodore 2031LP is functionally the same as the 2031, but used the lower-profile tan case of the second version of the Commodore 1540 floppy disk drive intended for home computer use. These drive models use a single-density, single-side floppy data storage format similar to that used by the Commodore 1540 & Commodore 1541 drives, but with a slightly different data marker indicating which model originally formatted the disk. The low-level disk format is similar enough to allow reading between models, but different enough that one series of drive models cannot reliably write to disks formatted with one of the other model series. A difference of one extra 'header' byte is what causes this write incompatibility. (en)
  • El Commodore 2031 y el Commodore 4031 son unidades de disquete de una sola unidad de 5¼" para computadoras Commodore International. Usan una carcasa metálica similar al disco duro Commodore 9060/9090 y utilizan la interfaz paralela IEEE-488 común a las computadoras Commodore PET/CBM. Esencialmente, ambos modelos son una versión de unidad simple de las Commodore 2040/4040. El Commodore 2031LP es funcionalmente el mismo que el 2031, pero usaba la carcasa de color beige de perfil más bajo de la segunda versión de la disquetera Commodore 1540 diseñada para uso en computadoras domésticas. Estos modelos de unidades usan un formato de almacenamiento de datos de disquete de un solo lado y densidad única similar al que usan las unidades Commodore 1540 y Commodore 1541, pero con un marcador de datos ligeramente diferente que indica qué modelo ha formateado originalmente el disco. El formato de disco de bajo nivel es lo suficientemente similar para permitir la lectura entre modelos, pero lo suficientemente diferente como para que una serie de modelos no pueda escribir de manera confiable en discos formateados con una de las otras series. Una diferencia de un byte de encabezado adicional es lo que causa esta incompatibilidad de escritura. (es)
  • Il Commodore 2031 ed il Commodore 4031 sono unità dotate di singolo drive per floppy disk da 5¼" progettati per l'utilizzo con i computer Commodore a 8-bit. Adottano un case largo simile a quello degli hard disk della serie e l'interfaccia IEEE-488 usata nei computer della serie Commodore PET/CBM.Essenzialmente entrambi i modelli sono la versione a singolo disco del Commodore 4040. Il commodore Commodore 2031LP era funzionalmente identico al 2031, ma usava il case a basso profilo del Commodore 1541 Questi modelli usano supporti a singola densità e singola faccia con un formato dei dati simile a quello usato dal Commodore 1541. Una piccola differenza nel data marker indica quale modello ha formattato il disco.La formattazione a basso livello è abbastanza simile da permettere la lettura tra i differenti modelli, ma abbastanza diversa perché una modello di una serie non possa scrivere su dischi scritti con un modello di serie differente. (it)
compatibility
  • Commodore PET/CBM, 4000-series, 8000-series, B128 (en)
connectivity
  • Parallel IEEE-488 (en)
Media
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CPU
operating system
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