3 Sep
2012
3 Sep
'12
4:51 a.m.
On Sat, 1 Sep 2012, Al Kossow wrote:
It is probably some variant of the 68705
microcontroller.
Just last weak, I found an SC80251P as the keyboard controller on the
keyboard PCB of a Perkin Elmer 550 terminal. Maybe it's similar to the
80951.
Christian
PS:
Does someone have the maintenance manual/schematics of the PE 550?