Subject: Re: NuVAX revisited
To: Lord Isildur <mrfusion@umbar.vaxpower.org>
From: Johnny Billquist <bqt@update.uu.se>
List: port-vax
Date: 06/27/2001 10:02:23
On Tue, 26 Jun 2001, Lord Isildur wrote:

> Hmm.. I have a 730 that could also be sacrificed (blasphemy!) for 
> analysis. Preferably analysed nondestructively.. :) 
> I would still go for the 750. The fact that it was done in 2901s makes it
> easier i think. There should be less debugging to do and fewer goofups,
> since one could build fewer subunits and debug them more separately- we
> all know what a 2901 shoudl behave like, or if not can find it in our local
> library. The 780 is too big a design, i think, and has too many parts that
> DEC realized (like compatibility mode) were not necessary, and the 750 really
> benefited from this work. 

All VAX-11 have compatibility mode. This extended into the VAX86x0 (aka
VAX-11/790).

	Johnny

Johnny Billquist                  || "I'm on a bus
                                  ||  on a psychedelic trip
email: bqt@update.uu.se           ||  Reading murder books
pdp is alive!                     ||  tryin' to stay hip" - B. Idol