It's Antiques Roadshow again... I inherited this late 80s vintage external
hard drive  (40MB, SCSI) , it came with a Mac Plus. It's badged as "iDS
Pro"...  which stands for Integrated Data Services Inc, of San Jose,
California.

The weird thing is, there is no socket for power at the back. At the back of
it, apart from the normal two SCSI ports (Centronics-50), there are just two
mini-DIN 8 type sockets (similar -looking to the Mac's modem/printer
sockets.. perhaps a bit bigger), but with holes for only three pins, not
8... I had a look inside... can't see any obvious sign of a transformer or
PSU... one of the striking things about the whole drive/case is how small it
is, not much bigger than the drive itself. I guess it must have got its
power through these mini-DIN ports...

Anyone know how I can power this thing up? The Plus and the drive also came
with a loose cable, that will fit in the back of the Plus, in the large
socket next to the SCSI dB-25, which I understand is normally for an
external floppy drive. The other end of this cable has a mini-DIN 3 plug,
that fits perfectly in one of the two such sockets at the back of the hard
drive...  I guess this cable is related to the drive?? (The package did not
include an external floppy drive.) Any ideas, before I ruin it with my
ignorant experiments with cables?

Mike


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