From owner-freebsd-current Wed May 19 10:30:32 1999 Delivered-To: freebsd-current@freebsd.org Received: from lor.watermarkgroup.com (lor.watermarkgroup.com [207.202.73.33]) by hub.freebsd.org (Postfix) with ESMTP id 6B9B4152E5 for ; Wed, 19 May 1999 10:30:30 -0700 (PDT) (envelope-from luoqi@watermarkgroup.com) Received: (from luoqi@localhost) by lor.watermarkgroup.com (8.8.8/8.8.8) id NAA14869; Wed, 19 May 1999 13:29:56 -0400 (EDT) (envelope-from luoqi) Date: Wed, 19 May 1999 13:29:56 -0400 (EDT) From: Luoqi Chen Message-Id: <199905191729.NAA14869@lor.watermarkgroup.com> To: luoqi@watermarkgroup.com, mike@smith.net.au Subject: Re: FBSDBOOT.EXE Cc: ctapang@easystreet.com, current@FreeBSD.ORG, jerry.alexandratos@perspectives.net, jlemon@americantv.com Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Not at all. If there's 640k chopped off the end of eg. 128M of > physical memory, you'd have to use a 64M segment, a 32M segment, a 16M > segment, an 8M segment, a 4M segment, a 2M segment, a 1M segment, a > 256k segment and a 128k segment to map it accurately. That's 9 > variable MTRRs, and the P6 only has 8. > No you don't need that many, fixed MTRRs take precedence over variable MTRRs, so you can just use one variable segment covering 0-128M and override with fixed MTRRs in the low memory area. > -- > \\ The mind's the standard \\ Mike Smith > \\ of the man. \\ msmith@freebsd.org > \\ -- Joseph Merrick \\ msmith@cdrom.com > > > -lq To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message