[Simh] SET CPU 48M ?

[Brian Wheeler]

On Fri, 2008-02-01 at 09:01 -0800, Bob Armstrong wrote:
> >Thomas Pfau wrote:
> 
> >ka655.bin is the original 3900 microcode that only supports 16M of memory.
> 
>   Does anybody know the history of this restriction?  I have a real KA655
> (uVAX-III+, M7625) with 48Mb of RAM and it doesn't have a problem with this.
> The standard DEC MS650-BA memory card was 16Mb and the backplane (or rather
> the PMI jumper cable) could accommodate three of them, so I wouldn't think
> that 48Mb on a MicroVAX-III would be that unusual.  Is the KA655 ROM image
> that comes with simh a really old version or something?
> 
> Bob
> 


I'm pretty sure that's a typo:  as I recall the rom supports 64M. 
even if you set memory to 512M and do a 'show mem' on the console, it'll
print out 64M.

Brian


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