nevermind, figured it out.  gotta add 'options ide-cd dma=1' to /etc/modules 
and reboot.

thanks anyways,
christopher

On Sunday 22 December 2002 04:36 pm, christopher j bottaro wrote:
> hello,
>
> [root@semaphore MPlayer-0.90rc1]# hdparm -d 1 /dev/cdrom
> /dev/cdrom:
>  setting using_dma to 1 (on)
>  HDIO_SET_DMA failed: Operation not permitted
>  using_dma    =  0 (off)
>
> because i can't turn on dma, my dvd playback is really choppy.  how do i
> get this command to work?  also, once its working, how do i get it turned
> on everytime my computer boots or get it turned on permanantly?
>
> i'm using an athlon xp 1800, kt333, redhat-8.0 system.
>
> thanks for the help,
> christopher



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