> On Mar 9, 2017, at 7:20 PM, Hittner, David T [US] (MS)
> <[email protected]> wrote:
>
> The Qbus-based VAXen support the QVSS (black-n-white) video module cards,
> which were the basis of the original VaxStation I and were also compatible
> with VaxStation II's, III's, and 4000's. The SIMH QVSS uses SDL for
> visualization.
>
> This is a native DecWindows interface.
The eary VAXstations could also run VAXwindows, which predates DECwindows and
isn't based on X. I used it at one time. It was ok, but rather slow. It's
not a client-server system as X is. I wonder if any copies of the software
still exist.
paul
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