I have one of these boxes. It appears that IBM took
another PC case off the
assembly line, stuck in a power supply and a passive backplane. There are
Apart from the front label, it _is_ a standard PC/XT case (8 slots).
two interface cards, one for the PC and one for the
expansion box, connected
by a very stiff cable -- don't recall what's on them but probably buffering
ICs and the like. The cable is about 3/4" in diameter. It terminates in
Yes, basically buffers for all the signals. The schematics are in the
Options and Adapters TechRef.
D-shell connectors but I don't recall the pin
count (probably D50). The
It's a DC62 connector IIRC (62 pins in the same shell as a normal 37 pin
connector).
-tony