Re: Very mysterious card

[shack@onyx.southwind.net (Randy Shackelford)]

Louis Schulman (louiss@gate.net) wrote:
: This card was found in slot 5 of an Apple //e, and was specifically marked
: for slot 5.  The main chip is an AM25L04PC, which is not even listed in the
: Chip Directory.  There is a 34 pin block, which was hooked up to a long
: ribbon cable attached to a large Centronics connector (looked like SCSI type).

: The card says REV4 C1980, and it appears that the name and other information
: was intentionally ground off!  The card has two adjustable Pots, and 18 total
: chips.  The //e that it was in had a Grappler printer card and a Super Serial
: Card in other slots, along with a standard disk controller in slot 6.

: Well, experts, what is it?  A very early SCSI card?  One more thing, there is
: a label that says SN 6025.

It's almost certainly a parallel printer card. The long ribbon cable with a
Centronics connector makes that all but a sure thing. I bet it has 36 pins
instead of 50 as SCSI has. SCSI didn't exist in '80 I imagine.

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