On 18/06/2019 01:56, Joe Zatarski via cctech wrote:
OK, so where should a thing like this go: https://pastebin.com/taQwaTV6
Anybody got a decent place to upload that? it's my notes on the MS650-AA,
and more generally the KA650 CMCTL memory subsystem.
Includes my theory of operation of the CMCTL
> From: Joe Zatarski
> OK, so where should a thing like this go: ... Anybody got a decent
> place to upload that?
As always, the CHWiki is available for any vintage computer stuff. I can
set up an account for anyone here who wants one.
I have posted similar information for PDP-11 mem
OK, so where should a thing like this go: https://pastebin.com/taQwaTV6
Anybody got a decent place to upload that? it's my notes on the MS650-AA,
and more generally the KA650 CMCTL memory subsystem.
Includes my theory of operation of the CMCTL, the organization of memory,
the ECC equations (kinda
Thanks, I am aware of BitSavers of course, so I am not sure why I didn’t think
to look there!
Regards
Rob
From: Joe Zatarski
Sent: 16 June 2019 15:39
To: r...@jarratt.me.uk
Cc: General Discussion: On-Topic Posts
Subject: Re: DEC KA650 VAX memory troubleshooting (video)
sorry
sorry, the technical manual actually, which has an architecture *chapter*
http://www.bitsavers.org/pdf/dec/vax/650/
The idea, eventually, is that I will publish my notes so that you wouldn't
need the logic analyzer, at least for the 8MB board. I just had it hooked
up, so I demoed it. The notes wil
That is really interesting, sadly I don't have quite as much gear as you, I
only have a basic logic analyser, but I am not currently trying to fix a MS650
memory board. You mentioned a KA650 architecture manual and you had a PDF of it
in the video. I couldn't find it on Manx? Where can I find it
