I the "word processing" version of the VT78, so it has the "WT/78 word terminal"
badge:
These were also sometimes called Decstation 78's, though that name is confusing
as later there was a whole other line of DEC gear called Decstations. They are a
predecessor to the Decmates.
I haven't really done anything with mine yet. I believe they originally came with
an dual RX01 tower, similar to the RX02 tower I have for one of my Decmates.
The VT78 uses the Intersil 6100 PDP-8 on a chip, running a little slow so they could
use slower RAM chips. (Decmates used the H6120, which is faster and has an on-chip MMU.)
It is built into a VT52 terminal chassis.
Here is a better picture, of David Gesswein's VT78, from
http://www.pdp8.net/vt78/vt78.shtml.
It shows a clearer view of the front, and a bit of the tower it is sitting on, which
houses two 8 inch floppy drives.
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Last updated on 04/30/12 02:07
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