Strange APPLE II Card !?

    Hello everyone,

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    today I finally got the APPLE IIe I had bought. Inside among the other cards (Super serial card, 80 columns, etc.) there was this card that I could not understand what type of card it is. On the pcb there is written A CONTROLLER ADAPTER and the connector is a 20 pins. Anyone know what kind of card it is and what it can do? Documentation?. Thanks everyone for the help.

    I am quite certain it is not a Disc Controller Card!

    It misses the parts for the WOZ state machine, and as a Disc Controller it would have connectors for 2 drives.

    > I am quite certain it is not a Disc Controller Card!

    Full ACK!

    This strange ground screw, the additional capacitors and the type of label on EPROM makes me guess that its a card for some custom made hardware.

    If you are very interested you could check if the EPROM contains firmware and if yes, check out the firmware ID bytes (see http://www.1000bit.it/support/manual…tn.misc.08.html). This way you could at least clarify if the card is supposed to connect some character device ($Cn05 = $38), some mass storage device ($Cn05 = $20) or - what I guess - something completely different and doesn't care at all about firmware ID bytes.

    Einmal editiert, zuletzt von deleted_06_24 (29. Juli 2020 um 16:35)

    Thanks for the answers, it arrived without cable, I have doubts that it is a printer controller because there is already a parallel Grappler + printer card with cable. There is also a super serial card and a floppy disk interface 1 and 2 with two floppy disk drives. I will try to read the eprom to understand which device was originally connected. On the eprom, "Cgate 4-16-82" is handwritten on the label.