DEC KA650 VAX memory troubleshooting (video)

[Antonio Carlini]

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, the organization of memory,
> the ECC equations (kinda, the info is there to derive them), explanations
> of the signals on the memory bus, and most importantly, a list of which
> bits and RAM regions correspond to the 312 DRAMs on the board.
>

Sounds ideal for the Computer History Wiki: 
http://gunkies.org/wiki/Main_Page.


Antonio



-- 
Antonio Carlini
antonio at acarlini.com