UNIBUS disk emulator board?

Julian Wolfe julian at twinax.org
Thu Jun 17 19:38:54 CDT 2010


Just curious, has anything been done with this?

On Sat, Mar 20, 2010 at 9:40 PM, Guy Sotomayor <ggs at shiresoft.com> wrote:

>
> On Mar 15, 2010, at 1:00 PM, Julian Wolfe wrote:
>
> > I'd really prefer RP emulation.  This would allow use of older OS
> versions.
> > I'd also really prefer to see a UNIBUS version.
>
> I'm planning on doing one that'll handle all of the disk types found on
> Unibus PDP11s (ie no MSCP).  The design is sketched out.  It's just finding
> the time...
>
> TTFN - Guy
>
> >
> > -----Original Message-----
> > From: cctalk-bounces at classiccmp.org [mailto:
> cctalk-bounces at classiccmp.org]
> > On Behalf Of e.stiebler
> > Sent: Wednesday, March 10, 2010 6:50 PM
> > To: General Discussion: On-Topic and Off-Topic Posts
> > Subject: Re: Solid State Disk replacement for RD53, 54, RK05, RL02/02
> >
> > Rob Jarratt wrote:
> >> There was a thread recently on the comp.sys.dec newsgroup which ended up
> >> with the suggestion from David Riley that he would be prepared to build
> an
> >> FPGA-based board with a QBUS interface on one side and an SD interface
> on
> >
> > Is there really still interest in it ?
> >
> > I put my design away few years ago, as I didn't see anybody interested
> > enough to buy one.
> > There is the seasonal talk of it for sure, but ...
> >
> > OTOH, they old ones show up on ebay frequently, and they are not that
> > expensive.
> >
> > Remarks ?
> >
> > Cheers
> >
> >
>
>



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