> From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Guy > Dunphy via cctalk > Incidentally I've identified those boards. The ones with the pull rings: > > https://i.ebayimg.com/00/s/MTIwMFgxNjAw/z/ZrUAAOSwI5Fdg5KH/$_57.j > pg > > They are 12/13 bit isolated DtoA, either voltage or current out. 44429A or > 44430A.
These are the current ones, recognizable by the blue 4 screw posts (the voltage ones have 8 screw posts). So it would be a pile of 44430A. I have a working HP 3497, so I could use one or two! Marc