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Norsk Data storage1.4.7.1 - Norsk Data - Floppy disc drives


110113 - Floppy 1.2MB NEC 5¼" ½HT, brown, OWS-12

Description

  • NEC floppy disc drive used in the OWS-12 Butterfly PC (Ericsson PC 1031)
  • NEC FD-1155C
  • Replacement drive TEAC FD-55
  • Capasity 1.2 MB
  • Terminator resistor package (pos. RN1) must only be present on last FDD in the chain, if more than one drive.
  • Main PCB size 124 x 194 mm, 2 layers
  • Release date xx. xxx. xxxx

Chipset

  • FDN101
  • MC2871A

LEDs

  • Access (Yellow)

Straps

  • Default ND jumper settings as used in the OWS-12:
    DC/RY Closed O=O O
    DS0OpenO  O
    DS1ClosedO=O
    DS2OpenO  O
    DS3OpenO  O
    FGOpenO  O
    HGClosedOO=O
    HLOpenO  O
    IUOpenO  O
    LGClosedO=OO
    MLOpenO  O
    REOpenO  O
    U1OpenO  O
    U2ClosedO=O
    XTOpenO  O
  • TP - Test Points
    GTest point ground, two places
    TP1
    TP2
    TP3
    TP4
    TP5
    TP6
    TP7
    TP8

Switches

  • None

Connectors

Stock status

  • Not available
ND-110113B
Top view

ND-110113B
Bottom view

ND-110113B
Front view

ND-110113B
Rear view

ND-110113B
Jumper locations

ND-110113B
Component side, main PCB

ND-110113B
Solder side, main PCB

This page was last updated 08. May. 2019
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