> I've just tried to upgrade my MicroVAX II to 16 megs by using two 8 meg
> boards.  However, NetBSD thinks I have 9 megs.  The 8 meg boards
> themselves do seem okay, and I can use an 8 meg board with a 4 meg board
> to get 13 megs.  Does anybody know what could be the problem here?  Do I
> need to do something special because the memory on the KA630 needs to be
> disabled?  Could this be a NetBSD problem?  
> 
If you are running a new kernel (> 970315) then NetBSD gets its memory
size from VMB and do not count it up itself. I.e. it's a hardware problem.

> BTW.  With 13 megs the kernel compile does run nicely, so I'm now quite
> sure that a lot of swapping makes NetBSD/vax unstable.  However, I made
> the mistake of setting the clock during the compile, and that seems to
> be another nice way to crash the VAX.
> 
How does it crash?

-- Ragge