Re: DMA DVD/CD-ROM Issues

[Harold Helmich <harry@xxxxxxxxxxxxxxxxx>]

FYI - that was the trick.  Thank you very much.  In the long run, I 
think the hdd=ide-scsi may have worked and I was running into sound 
issues.  But it works now - DVD playback rocks.

Thanks again, Jesse.

Harry

Jesse Keating wrote:

> On Thursday 20 February 2003 17:37, Harold Helmich uttered:
>  
> > Having problems getting my DVD-ROM to work using DMA.  I have a Toshiba
> > SD-M1212 DVD-Rom set up as a slave to my CD-RW.  My CD-RW has DMA in
> > Linux but the DVD-ROM.  Both have DMA set in the bios.  Somewhere the
> > DVD-ROM DMA setting is getting turned off.  I have tried to turn on DMA
> > using hdparm -d1 /dev/hdd.  I get an error message syaing operation not
> > permitted.  However, if add hdd=ide-scsi as kernel parm then I DMA is
> > set.  However, players do not see the drive correctly.
> >
> > Anyone have clues where to start looking to solve this issue?
> >    
> edit /etc/modules.conf and set "options ide-cd dma=1"
>
> When you use ide-scsi, it becomes a scsi interface.  Starting at /dev/scd0 for 
> the first scsi CD, /dev/scd1 for the second, so on and so forth.
>
>  




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