From owner-freebsd-current  Thu Jul 18 20:31:34 1996
Return-Path: owner-current
Received: (from root@localhost)
          by freefall.freebsd.org (8.7.5/8.7.3) id UAA20495
          for current-outgoing; Thu, 18 Jul 1996 20:31:34 -0700 (PDT)
Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.19])
          by freefall.freebsd.org (8.7.5/8.7.3) with SMTP id UAA20459;
          Thu, 18 Jul 1996 20:31:17 -0700 (PDT)
Received: (from bde@localhost) by godzilla.zeta.org.au (8.6.12/8.6.9) id NAA32464; Fri, 19 Jul 1996 13:25:39 +1000
Date: Fri, 19 Jul 1996 13:25:39 +1000
From: Bruce Evans <bde@zeta.org.au>
Message-Id: <199607190325.NAA32464@godzilla.zeta.org.au>
To: imp@village.org, nate@mt.sri.com
Subject: Re: Cause of APM_DSVALUE_BUG found (but not completely fixed yet)
Cc: current@freebsd.org, davidg@freebsd.org, freebsd-mobile@freebsd.org
Sender: owner-current@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

>: +			biosbasemem = bootinfo.bi_basemem;
>: +			biosextmem = bootinfo.bi_extmem;

>Hmmm.  The linux folks are running into machines that this would be
>bad for.  Evidentally, they claim, a nontrivial number of machines
>will cap the returned value at 16M of memory.

A number of machines alreay cap the value in the CMOS at 16M, and all
machines cap it at 64M, while there's nothing to stop the bootstrap
getting it right and going up to 4096GB (1024 back switched segments
of 4GB each ;-).

>It might be best to do
>this as an option.

Nope.

Bruce