maybe this will help - I enabled the HD optimizations during my Mandrake 7.2 install. Unfortunalty under heavy HD load my system would experience CPU spikes that would reneder everything inoperapble for 1-2 seconds at a time. This was very anoying and not what UDMA is supposed to do. My xfers were also pretty slow. So I dug into /etc/lilo.conf and saw that Mandrake and put a kernel option in there that reads : append=" ide1=autotune ide0=autotune" . I dug into the Linux Mini-how- to for UDMA and found it stating that one should try this instead: append=" ide0=dma ide1=dma" . So I created another entry in lilo.conf and replaced autotune with dma and rebooted. I then chose that linux opion on reboot and Wow what a difference. Just like things are supposed to be. I copied about 200 megs of mp3s from one IDE to another and I had 0 interuptions. and teh xfer is very fast. :) No it could be my older ata/33 and BX chipset don't work well with the autotune parameter but using plain old dma works much better. *********** REPLY SEPARATOR *********** On 11/19/2000 at 4:42 PM Jeff Malka scribbled: >I agree don't do it. But - I know how you feel! > >> > Dont do it its not worth it! >> >> On Sunday 19 November 2000 17:37, you wrote: >> > > I dunno whats up with this. But this is dreadful! >> > >> > I am in the middle of copying a large file (1.2GB) from my home directory >> > to my Windows partition. Both partitions are on two seperate hard drives, >> > on two different channels of two different EIDE controllers. Both drives >> > are heavily optimized running in ATA 66 mode. >> > >> > You'd think it would copy faster than 8 freaking megs per minute!!!!!! >> > >> > I don't need help. I know everything is configured correctly. And >> > normally file I/O is pretty quick. But this is ridiculous. >> > >> > Just complaining. Feel free to ignore me. >> >> ---------------------------------------- >> Content-Type: text/plain; charset="iso8859-1"; name="message.footer" >> Content-Transfer-Encoding: 8bit >> Content-Description: >> ---------------------------------------- > >---------------------------------------- >Content-Type: text/plain; charset="iso-8859-1"; name="message.footer" >Content-Transfer-Encoding: 8bit >Content-Description: >---------------------------------------- > >-- >Jeff Malka <[EMAIL PROTECTED]> >Registered Linux User 348854 > > > >Keep in touch with http://mandrakeforum.com: >Subscribe the "[EMAIL PROTECTED]" mailing list.
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