On Aug 12, 14:00, Chuck McManis wrote:
> PDP-11 boards come in two flavors Unibus and Q-bus the are either 2 high,
> four high, or six high. Generally only Unibus and PDP-8/a boards are 6
> high. (I don't think they ever made a Q22/CD/EF backplane.)
They did make one -- DDV11-B hex wide 9 slot. However, the E/F section
isn't bussed, only having +5/+12V/0V connections (ABCD are normal Q-Bus).
It's meant for third-party development, and there are no hex Q-bus boards.
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
Received on Fri Aug 13 1999 - 00:26:15 BST