Some more info on the Philips P3800, and P4500

From: Tothwolf <tothwolf_at_concentric.net>
Date: Sat Nov 2 19:44:00 2002

On Sat, 2 Nov 2002, Don Maslin wrote:

> TurboDos does not have an inbuilt multiuser capability - ala MP/M.
> It's approach to multiuser is via a slave processor for each external
> user. The slave processor could be either an external computer linked to
> the master machine by serial, or whatever, and the number of slaves
> could run as high as 32. Slave processors were also commonly additional
> processor cards in a S100 box each of which was linked to an external
> terminal via a serial link. In either case, the 'master' processor
> played the role of manager of shared assets - disk, printer, etc.
>
> Because of the processor per user approach, the response of the system
> was little affected by user load. Nice concept and nicely executed.

I have a full size 8-bit PC card somewhere that may be similar to what you
describe. I have the breakout box for it too, and it appears that it can
connect up to 8 terminals. I never have been able to identify it, but if
this sounds like something someone has seen before, I'll be happy to pull
it out and snap some photos.

-Toth
Received on Sat Nov 02 2002 - 19:44:00 GMT