> > I don't think in I/O maped IO is slower than memory mapped > I/O(correct me if i am wrong). >AFAIK, it is. Read >http://gsyprf11.external.hp.com/ols2002/www/4Posted_vs_Non_Posted.html Seems to be a pretty useful link, thanks -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/