Hello Bill, On Wed, 29 Mar 2006 16:15:16 +0100 William John Murray <W.J.Murray@xxxxxxxx> wrote: > > On Wed, 2006-03-29 at 10:02 -0500, fedora-list-request@xxxxxxxxxx wrote: > > > > I've just installed FC5 on my Dell D810, everything went fine w/ > > regard to > > the hardware, but the CD/DVD drive still shows very poor xfer rates > > and eats > > CPU (last tried: FC3, it was the same w/ ~1.4MB/sec). I thought that > > FC5's > > kernel was able to enable DMA for IDE drives controlled by a SATA > > (disk > > is /dev/sda, dvd drive is /dev/hdc), am I wrong? > > > > > > Regards, > > > > -- > > wwp > > Hi there, > In the test phase I had to add 'hdc-noprobe' to my kernel > parameters, and it works so I never took it off.. Ah! With hdc=probe, I get better results.. Now the drive is /dev/scd0 and reading doesn't eats all CPU, thanks! The bad thing is that the xfer rate is a bit better but quite slow anyway: reading a 700MB .avi file -> it was up to 2.6MB/sec, hdparm -t says 1.6MB/sec. Regards, -- wwp
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