>The Q5 was mounted in a rack (sideways) and usually had a 9-track tape on 
>top (TU-??) and one or two RA81s at the bottom. AFAIK it was also 
>available with a 380V 3-phase power-supply. Definitely computer-room 
>material, whereas the Q3 was made for normal "office" environments.

Gunnar, you are right about this.  In fact, our group still has one in
use, although ours has two racks instead of one (but everything that
connects to the VAX is in one rack.  Our system is also 3-phase.
--
Eric Dittman                  Texas Instruments - Component Test Facility
dittman@skitzo.dseg.ti.com    (214) 462-4292
Disclaimer:  Not even my opinions.  I found them by the side of the road.