Looking for info on memory

[Jerry Weiss]

On 10/20/21 7:10 PM, Nigel Johnson Ham via cctalk wrote:
> Thanks for that, but unfortunately it is crashing into ODT and not
> accepting input from the console, which I remember was a symptom of no
> bank 0 memory.
>
> Now,of course, it could be the receiver chip in the J board (I used to
> make a lot of money changing them ) but I have tried two separate J boards.
>
> Of course if it is 4 MB, it must be in bank zero.
>
> cheers,
>
> Nigel
>
>
Can you read any of the CSR registers built into the serial board or cpu 
without the memory card inserted?   I don't believe ODT is dependent on 
working memory.