That was the standard external SCSI port on Macs up through the Beige G3.
I guess what I'm getting at is that I may be able to disect an external scsi hard drive case that has a circuit board with a DB-25 connector and a 50-pin cable header on it. If the DB-25 connector is a 90 degree, right-angle type---most soldered DB-25 connectors are---I'll be able to remove it and replace it with a 26-pin header like what is on the upgrade card.
Then I only have to get a 26-pin flat ribon cable to connect the scsi port to the converter pcb and then from the converter pcb to a scsi drive. The only trick will be powering the drive.
The other thing I could do is take one of the 25 pin scsi extension cables (male-female), cut it in half, and add a female 25-pin ribon cable connector that will fit on the scsi. Then I'll have a cable that will connect to the scsi upgrade headers and have a femail DB-25 connector on the other end. If I mount that in the back of the case then I'll be able to connect external scsi devices that have their own power supplies. This seems like the most useful considering the large number of external 25 pin scsi devices out there.
Dave
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