Quoting Daniel J. O'Connor (dar...@dons.net.au):
> 
> On 04-Jun-99 bush doctor wrote:
> >       Pentium Pro MTRR support enabled, default memory type is uncacheable
> >       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> >       What is MTRR?  Using the web based cross referencing tool I came up 
> > with
> 
> MTRR's are a way to tell the processor how to cache regions of memory. Its
> commonly used to speed up video card access by disabling caching on the linear
> frame buffer, this makes writes to the card faster (around 0-30%). The penalty
> is that reading is slower, but since that doesn't happen very often the speed
> increase is good.
> 
> Try man memcontrol - It doesn't yet work on SMP boxes though.
Hmmm ... 

bantu.cl.msu.edu:dervish> more /usr/src/usr.sbin/memcontrol/Makefile
PROG=           memcontrol
NOMAN=          yes

.include <bsd.prog.mk>

No man page yet.  No horrors tho'.  Man pages and info files are great,
but there's nothing like reading through the sources ... #;^)

> 
> ---
> Daniel O'Connor software and network engineer
> for Genesis Software - http://www.gsoft.com.au
> "The nice thing about standards is that there
> are so many of them to choose from."
>   -- Andrew Tanenbaum
> 

#;^)
-- 
So ya want ta here da roots?
Dem that feels it knows it ...
bush doctor <derv...@bantu.cl.msu.edu>


To Unsubscribe: send mail to majord...@freebsd.org
with "unsubscribe freebsd-current" in the body of the message

Reply via email to