Date: Wed, 19 May 1999 13:29:56 -0400 (EDT) From: Luoqi Chen <luoqi@watermarkgroup.com> To: luoqi@watermarkgroup.com, mike@smith.net.au Cc: ctapang@easystreet.com, current@FreeBSD.ORG, jerry.alexandratos@perspectives.net, jlemon@americantv.com Subject: Re: FBSDBOOT.EXE Message-ID: <199905191729.NAA14869@lor.watermarkgroup.com>
next in thread | raw e-mail | index | archive | help
> 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
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199905191729.NAA14869>