Re: DMA on CD Burners
On Tuesday 10 May 2005 10:38, Jason Martens wrote:
>Does anyone know why I can't set DMA on my CD Burners? It makes
> burning CD's very slooooooow. When I try to set it with hdparm, I
> get the following error:
>
>morpheus:~# hdparm -d1 /dev/hdb
>
>/dev/hdb:
> setting using_dma to 1 (on)
> HDIO_SET_DMA failed: Operation not permitted
> using_dma = 0 (off)
>
>
Some burners might be on a blacklist. I'm running a late kernel here,
and haven't had a whisper of trouble with a Liteon dvd/cdr combo
drive.
>I've tried it on two seperate drives, with the same result:
>hda: SONY DVD RW DW-U10A, ATAPI CD/DVD-ROM drive
>hdb: TSST CD-RW/DVD-ROM TSH492B, ATAPI CD/DVD-ROM drive
>
>Jason Martens
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