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


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

Description

  • TEAC floppy disc drive used in the OWS-12 Butterfly PC (Ericsson PC 1031)
  • TEAC FD-55 GFV-17-U
  • Replacement drive NEC FD1155C
  • Capasity 1.2 MB
  • Terminator resistor package (E3318) must only be present on last FDD in the chain, if more than one drive.
  • Main PCB size 80 x 96 mm, 2 layers
  • Release date xx. xxx. xxxx

Chipset

  • TEAC BA6581K
  • TEAC LH5060B

LEDs

  • Access (red)

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
    TP1Track 0 sensor
    TP2ERASE gate
    TP3The phase B magnetized period of the stepping motor
    TP4INDEX
    TP5Read data
    TP6File protect sensor
    TP7Pre-amplifier output signals
    TP8

Switches

  • None

Connectors

Stock status

  • Not available
ND-110113
Top view

ND-110113
Bottom view

ND-110113
Front view

ND-110113
Rear view

ND-110113
Jumper locations

ND-110113
Component side, main PCB

ND-110113
Solder side, main PCB

This page was last updated 04. May. 2019
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