On Thu, 1 Aug 2013, Christian Corti wrote:
AFAIK *all* 5150s have a cassette port, at least ours
do.
Yes.
and 5 slots, with wider mounting plates than XT cards, and a 63-65W power
supply
Some of the early ones had additional blocked off holes in the back panel
Some had a screw coming up from below mounting the floppy.
Some had a black power supply.
Some had a white narrow power switch.