Re: 3.3G RAM limit?

Martin Husemann <[email protected]> Wed, 8 Apr 2020 22:26:53 +0200

Newsgroups	gmane.os.netbsd.ports.i386
Message-ID	<[email protected]>

On Wed, Apr 08, 2020 at 04:07:29PM -0400, Mouse wrote:
> I have a fuzzy memory that there's some kind of limit that leads to
> i386 topping out at three-point-something gigs of RAM.  Could someone
> remind me of details?

The BIOS reserves some window below 4G for PCI IO ranges, typically at
the end of the 4G VA space (size depending on exact BIOS and sometimes
settings).

Martin