slow last 128MB of RAM in a 2GB system?

[Dave Johnson]

Dave Johnson writes:
> Using #2 method is much more preferable for the case were some amount
> of memory at the end of RAM is reserved.  With this you only need 2
> MTRR registers no matter what the size of RAM.

Make that: provided size of RAM is a power of 2 (512MB, 1GB, 2GB
etc..).  1.5GB would require 1 more MTRR.

> Yes, my ASUS M2N-SLI shipped with a buggy BIOS where it wouldn't place
> any memory over 4GB, limiting usable memory to 3.75GB.  Upgrading the
> bios to the latest version fixed that, but broke ACPI.

Woops, I mean it broke the IOAPIC, not ACPI. I always get those
confused.

-- 
Dave