Testing an Apple //e I/O Card 655-0101

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Testing an Apple //e I/O Card 655-0101

Good evening,

I have the card in question, with its internal cable for my //e (converted to Enhanced today)

I have built the external DB-19 cable and have tried with a DuoDisk drive as well as a SmartProSD device. In both cases they power up, but nothing happens afterwards.

Could anyone help me determine what is faulty in my setup? It can be any or all of:

  • The card
  • The internal cable
  • The external cable I built
  • The DuoDisk drive
  • The SmartPort SD which I also built.

(The computer itself works perfectly with two Disk II drives)

Many thanks