I wanted to be able to move software between the PCs, which have Internet access, and the Ataris, which do not. For other machines I am able to do this by means of an Iomega Zip drive using a SCSI interface. For that reason I purchased a SUPRA SCSI interface which is pictured below.
I have done what research I could to find documentation - so far unsuccessful. I can figure out some of the ports on the board: the 19-pin D-SUB (J3) is pretty obvious, as is the 50-pin header (P1) at the opposite end. Header J1 is obviously power, but what voltage? Header P2 (26 pin) and jumper header JP1: no idea.
Before I connect anything to it I thought I would ask for help here. Any suggestions or documentation is welcome.
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