> What exactly are the ranges? You haven't given me enough info yet. I wrote the
> K6-* MTRR driver, so I'd like to help.
>
OK, the Linux 3dfx driver attempts to set up a write combining range starting
at the card's base address and 0x400000 bytes long. After doing this it then
sets up a range marked as uncacheable starting at the card's base address of
length 0x1000.
Stephen
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