18 Sep
2015
18 Sep
'15
9:21 a.m.
On Fri, Sep 18, 2015 at 7:45 AM, tony duell <ard at p850ug1.demon.co.uk> wrote:
The 11/780 has a PDP11 to load the microcode (I think)
but the 11/730 makes do with an
8085. After booting I think that handles the console port still.
Most of the 11/780 microcode is in bipolar PROM. There's a small patch
area which is loaded by the PDP-11.
The 11/785 microcode is entirely in RAM, so it all gets loaded by the PDP-11.