> 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. \\ msm...@freebsd.org > \\ -- Joseph Merrick \\ msm...@cdrom.com > > > -lq To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-current" in the body of the message
