From owner-freebsd-hackers Sun Mar 14 21:58:35 1999 Delivered-To: freebsd-hackers@freebsd.org Received: from bugs.us.dell.com (bugs.us.dell.com [143.166.169.147]) by hub.freebsd.org (Postfix) with ESMTP id 8389614E0E for ; Sun, 14 Mar 1999 21:58:32 -0800 (PST) (envelope-from tony@dell.com) Received: from ant (ant.us.dell.com [143.166.12.34]) by bugs.us.dell.com (8.8.8/8.8.8) with SMTP id XAA09192; Sun, 14 Mar 1999 23:57:40 -0600 (CST) (envelope-from tony@dell.com) Message-Id: <3.0.6.32.19990314235738.03ba2a10@bugs.us.dell.com> X-Sender: tony@bugs.us.dell.com X-Mailer: QUALCOMM Windows Eudora Light Version 3.0.6 (32) Date: Sun, 14 Mar 1999 23:57:38 -0600 To: Jonathan Lemon , freebsd-hackers@freebsd.org From: Tony Overfield Subject: Re: Proposal: Define MAXMEM in GENERIC In-Reply-To: <199903141920.NAA16212@free.pcs> References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG At 01:20 PM 3/14/99 -0600, Jonathan Lemon wrote: >>p.s. FreeBSD seems to prefer E801h over E820h. I'd like to see it >> the other way around, since you could gain almost 64 KB of >> extra memory in some cases. > >Not true, if you're referring to the VM86 memory probe. It tries >INT 15h, AX=E820, then INT 15h, AX=E801, then INT 15h, AX=88, in >that order. Sorry about that. I have all three of the BIOS functions in my box, but I still see this: BIOS basemem: 639K, extmem: 64512K (from 0xe801 call) so I made an assumption. I did say it *seems* to prefer E801h. Tony To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message