PDP 11 Boot screen?

[Fred N. van Kempen]

On Mon, 13 Sep 2004, Ed Kelleher wrote:

> >The message at the bottom mentions "DSM blocks".  So I wonder if it's
> >DSM-11.
It is.

> I saw the DSM, but I've never heard of anyone actually running a MUMPS system,
I do, as do two of my customers.  One on a MicroPDP-11/83, and the
other on a sortof homebrew 11/73.

> least of all on a QBus machine.  Course that's not saying much since I forgot
> completely about IAS, and Ultrix and never have seen these either, but
> they're there.
Ultrix-11 rocks!

> And I don't think DEC made a RK06/RK07 QBus interface (DM2, DM3, DM4 on the
> screen).
> Though Dilog, and others possibly, made QBus controllers that emulated
> those drives.
Emulex and Dilog both did.  There were liked a lot by systems integrators
that needed modern drives, full compatibility and a lower price than the
DEC stuff.  This is probably DSM-11 on some OEM 11/73-ish system with
one of those boards.

--f