Re: NetBSD in SIMH vax with 512 MB RAM

[Anders Magnusson <ragge%tethuvudet.se@localhost>]

Den 2023-03-07 kl. 18:53, skrev Dave McGuire:
> On 3/7/23 12:23, Johnny Billquist wrote:
> > The P0/P1/S0/S1 space is in virtual space.
> >
> > The 512M is physical memory. Physical address space is a total of 
> > just 1G, with half dedicated to memory, and half to I/O space.
> >
> > So 512M is the absolute maximum the machines can have. And there is 
> > some problem with this in NetBSD.
>
>   This must be model-specific, somehow?
The I/O space starts at 512MB.

-- R