Nova 4/C Questions

George Wiegand ics65 at sbcglobal.net
Thu Jul 2 12:16:06 CDT 2009


The console terminal connection maybe labeled directly on the backplane (a 
row of ~10 pins), only 3 pins for the RS232 are needed. I guess you don't 
have the info. to the pin outs?
Dave, what part of the world are you located in?
,George
----- Original Message ----- 
From: <david_comley at yahoo.com>
To: "General Discussion: On-Topic and Off-Topic Posts" 
<cctalk at classiccmp.org>
Sent: Wednesday, July 01, 2009 3:05 PM
Subject: Re: Nova 4/C Questions



--- On Wed, 7/1/09, ics65 at sbcglobal.net <ics65 at sbcglobal.net> wrote:
> I only have experience with the Nova
> 4 Jr. CPU and Nova 3, both without the Battery Backup,
> Memory Management or Multiple/Divide options. The Nova 4 Jr.
> CPU had 64k byte of memory in the front left corner of the
> CPU pcb. It does have the virtual terminal that connects to
> an external terminal. This replaced the paddle switch
> functions of the Nova 3.

George, thanks. If the Nova 4 Jr. CPU is marked 'DCG JR. CPU' in the front 
right-hand corner (and it's a pretty good bet), then that's probably what I 
have and I'll confirm by looking for those memory chips.

Am I right in thinking that the console terminal connection is made through 
pins on the backplane as there is apparently no socket on the board for this 
purpose ?

Regards,
-Dave




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