PDP 11/73 SLU

From: Christopher McNabb <cmcnabb_at_4mcnabb.net>
Date: Wed Oct 1 19:32:42 2003

On Wed, 2003-10-01 at 16:33, Pete Turnbull wrote:
> On Oct 1, 11:43, Brian Hechinger wrote:
> > uhm, i thought a /73 was a dual width card and didn't have any serial
> or
> > anything on it. am i confused?
>
> Yes and no. There is a dual-height version of the 11/73 (KDJ11-A)
> which carries the processor, MMU, FPA, cache control, etc, but no
> bootstrap, SLUs, or line-tme clock. It was commonly sold as an OEM
> product or as an upgrade to 11/23 systems.

And this is the one that is installed in the Bomem Interferometer.
Dual-height card, no SLU or bootstrap. The console is from a custom
Bomem card that wants an EGA monitor and standard PC (old style 5 pin
round connector) instead of a serial terminal for the console.

It is really pretty useless for me, since the EGA monitors all appear to
be toast and I wouldn't be able to use VTServer through the custom EGA
thing.

Interestingly, though, is the fact that this custom card also interfaces
into a very large board that I believe is a vector processor.


-- 
Christopher McNabb <cmcnabb_at_4mcnabb.net>
The McNabb Family
Received on Wed Oct 01 2003 - 19:32:42 BST

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