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3204 is a SCSI / Floppy controller.


ND-100 SCSI / Floppy Controller I.

Switches and indicators


The A and B connectors are used for I/O, the C connector is used for the ND-100 Bus.

I/O devices on the card


ECO or Engineering Change Order is a hardware change. Here is a list of known ECO's for this card.

  • ECO 100-761 - device not ready[1]
  • ECO 100-765 - May give data errors when transfering small data blocks (less than 256 bytes)[1]


  1. 1.0 1.1 sintran.com, Norsk Data library, ECO [1]