Nova 1210

From: Tony Duell <>
Date: Wed Sep 24 11:41:24 1997

On Wed, 24 Sep 1997, Tim Shoppa wrote:

> > Since there are only 4 slots in the backplane, I think I have all the
> > cards. What I have is a Nova CPU board (with _1_ 74181 - did this machine
> > really have a 4 bit ALU?)
> Yep. 16-bit math operations are done serially, 4-bits at a time.

Right. At least I'm not missing 3 more CPU boards :-)


> Data General tended to use a fair number of private-label TTL and DTL
> chips, but (luckily for you and me) these tended to be just industry-
> standard parts. I have a cross-reference marked "DG Confidential"
> on every page, but I think some DG drones would come kill me if I
> started passing out copies to everyone :-)

That's the sort of thing that (IMHO) should be OCR'ed and put on the
classiccmp web site. I can't believe DG would object after (lets see...)
25 years, but I suppose you should check with them first.

> Tim. (

Received on Wed Sep 24 1997 - 11:41:24 BST

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