What's the rarest or most unusual computer-related item do you own?

Paul Anderson useddec at gmail.com
Tue Jan 17 20:04:43 CST 2017

Last year I picked up some documentation on the PDP16  family. Does anyone
have any hardware, docs, software or knowledge on it?

I have not had much time to look at it since I got it, and want to see how
it compares to my PDP14 items.

On Tue, Jan 17, 2017 at 5:49 PM, Ethan Dicks <ethan.dicks at gmail.com> wrote:

> On Tue, Jan 17, 2017 at 3:18 PM, Jerry Weiss <jsw at ieee.org> wrote:
> >
> >> On Jan 17, 2017, at 12:58 PM, Alan Frisbie <Flash688 at flying-disk.com>
> wrote:
> >> I just joined this list, so I'm not sure which of the items I own
> >> would be considered by this group to be rare or unusual, but here
> >> goes…
> >>
> > Hi Alan,
> >
> > Nice to see you on the list.   If memory serves me correctly, you
> presented
> > a talk on (very) high speed data acquisition at DECUS a few decades ago.
> I might have been in the audience for that talk...
> >> DEC RKV11D Q-Bus controller for RK05 disks (on my LSI-11/73 system)
> >> Originally, it only supported 16-bit addressing, but I added the
> >> chip and wires to make it support 18-bit addressing.   I have never
> >> even heard of another of these controllers, so I assume it is rare.
> Cool.  Is that mod documented (on-line, that is... not just on some
> 35-year-old paper)?  I have an RKV11D that I've used under RT-11 with
> 16-bit memory... love to put it on a larger machine.
> Good luck on posting your stuff.  I'm far away so I'm not likely to be
> interested in anything huge and heavy, but I'll take a peek.
> Cheers,
> -ethan

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