On Wed, 24 Oct 2001, Ollie Lho wrote: > I don't think these fixed MTRR matters. In docmill_fill_inbuf.c the DoC > is addressed/accessed at DOC_MIL_BASE which is > > #ifndef DOC_MIL_BASE > #define DOC_MIL_BASE 0xffffe000 > #endif
on the board I am using the DoC is on ISA bus at 0xd0000 > Did you change the definition of DOC_MIL_BASE ?? Which DOC_MIL_BASE does > you "user mode" test program use ?? 0xd000 or 0xffffe000 ?? from user mode, it was 0xd0000. But I suppose the PTEs also had something to do with the results. The pentium is very weird this way. What a terrible idea MTRRs are. ron
