SB11

On 20/01/2009 20:28, Francesca C. Smith wrote: Not really -- it's a tabletop CPU/system box sold for OEM use -- in other words a standalone unit you'd build a small system, such as a process controller, into. It has a 2 x 2 backplane, arranged serpentine style, so you could put up to four dual-height cards in it. It has one gotcha -- no line-time clock. http://www.dunnington.u-net.com/public/PDP-11/QBus_chassis I don't think your monitor unit was ever meant for rack mounting, either. Apart from having no obvious mounting points for rails, the power inlet and switch would be inside and facing the side of the rack if the CRT were facing out the front. I expect it's a tabletop unit, or was mounted inside something else. Which is not to say it might not have once sat on a shelf in a rack, of course. -- Pete Peter Turnbull Network Manager University of York