D-116 Digital Computer Controls - minicomputer

From: Eric Chomko <chomko_at_greenbelt.com>
Date: Mon May 7 10:41:41 2001

Is yours a D-116 or the D-116e?

And come to think of it I think I actually programmed the DG and NOT the DCC
system. Didn't Rolm make a simialr machine?

Eric

Chris Kennedy wrote:

> Eric wrote:
>
> > Has anyone ever heard of such a thing. I dug out a manual and a book on
> > the system, and remember
> > working on one years ago. The books are dated 1972-3. The company is out
> > of New Jersey. Anyone one know anything about the D-116 system or about
> > the fate of the company: DCC?
>
> The D-116 is essentially a jumbo-chassis DG Nova 830 clone; like the
> similar offering from Keronix it has a programmatic option to double
> the size of the address space (from 32KW to 64KW) by limiting indirection
> to one level (second and subsequent levels of indirection in the Nova
> were indicated by having the high bit of the intermediate word fetched
> set, thus effectively limiting addresses to 15 bits)
>
> I have no idea what happened to DCC; Keronix (who manufactured far
> nicer memory boards for the Nova than DG) exited the business when their
> manufacturing plant burned to the ground, an act sometimes referred to
> as the consequence of "DeCastro Lightening"
>
> I have a D-116 sitting in the projects pile just now. It looks like an
> ugly Nova, right down to the incredibly poor mechanical engineering.
> Keronix was much more original and did nice work in the MechE department,
> including the ability to access the card cage without having to pull the
> machine out of the rack.
> --
> Chris Kennedy
> chris_at_mainecoon.com
> http://www.mainecoon.com
> PGP fingerprint: 4E99 10B6 7253 B048 6685 6CBC 55E1 20A3 108D AB97
Received on Mon May 07 2001 - 10:41:41 BST

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