Date: Wed, 19 Nov 1997 10:18:15 -0800 From: Amancio Hasty <hasty@rah.star-gate.com> To: Charles Henrich <henrich@crh.cl.msu.edu> Cc: freebsd-multimedia@freebsd.org Subject: Re: Faster X Updates Message-ID: <199711191818.KAA01482@rah.star-gate.com> In-Reply-To: Your message of "Wed, 19 Nov 1997 13:15:19 EST." <19971119131519.19844@crh.cl.msu.edu>
next in thread | previous in thread | raw e-mail | index | archive | help
thats a Petium instructions to write to a modal register which are Pentium model specific registers and one can check what are the capabilities available for that model. Just download the manual and browse thru it. Cheers, Amancio > On the subject of Re: Faster X Updates, Amancio Hasty stated: > > > > > For pentium pro and pentium II systems you can enable write combine > > for your display buffer . this is what I do for my matrox millenium > > frame buffer. Do a netsearch on fastvid for an explanation on > > PCI write combinining . > > > > wrmsr(0x204, 0xf9800001); > > wrmsr(0x205, 0xffc00000 | 0x800); > > Whats wrmsr Amancio? > > -Crh > > Charles Henrich Michigan State University henrich@msu.edu > > http://pilot.msu.edu/~henrich
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?199711191818.KAA01482>