carlini@bulean.lkg.dec.com wrote:
> 
> "cmcmanis@mcmanis.com" wrote:
> 
> >>What I find more worrying is that the Vax was taken out of use around 5
> >>years ago, and apparently never touched, yet I can't physically find the
> >>disks with a quick overview of inside the front of the case (unless
> >>they're hiding deeper in the BA213).
> >
> >Chuckle. I had a similar experience the first time I played with a BA213.
> >The disks live behind the cover on the top of the chassis. One can be
> >behind the control panel (next to the TKxx drive) and one on the other side
> >of the partition next to that. The SDI panel I've got only allows two
> >drives inside (I'm guessing it is because the RAxx drives get hot)
> 
> If either of you are capable of missing a single RA90 or RA82 never mind three
> of them all together then you both have very serious problems and computers are
> the least of them !!! :-)
> 
> I'm shocked to find that I don't have their dimensions on hand but the RA82 is
> about the width of the BA213 cab and maybe 30cm high. The RA90/RA92 is the same
> height and half the width (i.e. you can get about two RA90s in the space for an
> RA82 - at least visually, physically you probably find the mounts are all
> different).
> 
> They're pretty scary weight-wise too: I can only guess at the weight. My guess
> is heavy enough that you don't want to lift one alone too often. Must be
> getting on for 25-50kg each. Those RA7x disks are pretty light in comparison.
> RD54s don't even compare!
> 
> Antonio

So is the controller card picking up phantom disk drives? If, as you
said in a private E-Mail, there's no space for one in a BA213, it's
possible that the drives were in an external unit. Which I didn't get,
and I don't think the company I got the Vax off has it either.

Dan
-- 
dankolb@ox.compsoc.net  Oxford University Computer Society Secretary

--I reserve the right to be completely wrong about any comments or 
  opinions expressed; don't trust everything you read above--