On Thu, 1 Aug 2013, geneb wrote:
Were there ever any official IBM peripherals/upgrades
that used the round
hole that was punched in the back of the case, above where the keyboard &
tape cutout was?
There was once an external drive that ran a power connection through that
hole. But then they started putting power supplies in all the external
drives. (bad idea to try to power too much external stuff off of 63W)