On Thu, 23 Mar 2006 09:44:09 -0500 Chris Mauritz <chrism at imntv.com> wrote: > Vanja Hrustic wrote: > > I have installed CentOS 4.2, recently, on new computer. > > > > Everything seemed to work fine. > > > > However, we've found out that disk transfers are incredibly slow, > > and I just can't figure out what to do in order to fix it. > > > > Computer is now running CentOS 4.3 (updated it 1 hour ago), and same > > thing is still present. I hoped kernel upgrade might fix it, but it > > didn't. > > > > I am having similar issues with an Intel 845 based board. It sounds > like your disks are running in PIO rather than in UDMA mode. Erm, if I'm not wrong, SATA uses DMA 'by default', it's not something we can change. Thanks anyway :) Vanja