LC8-P (M8365) PDP8 printer interface schematics

Marc Howard cramcram at
Thu Jan 19 12:18:01 CST 2017

Speaking of the LA-180 has anyone noticed the note in the PDP8A manual:

"The General-Purpose Parallel I/O on the D etch revision
of the M8316 module can be used as an interface for the
LA 180. Data to the LA I80 must be supplied in com-
plemented form. The IOTs are different from the LA8
interface designed for the LA 180. A BC80-A cable, avail-
able from DIGITAL, must be used to connect the General-
Purpose Parallel I/O to the LA 180.

Does OS8 know how to handle this way of interfacing a printer?


On Thu, Jan 19, 2017 at 9:27 AM, David Gesswein <djg at> wrote:

> On Thu, Jan 05, 2017 at 10:38:41PM +0100, Mattis Lind wrote:
> >
> > OK. I'll bring it home and will scan it sometime next week.
> >
> > /Mattis
> >
> Did you get time to scan it yet?

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