On Fri, 19 Oct 2012 15:13:32 -0600 JD <jd1008@xxxxxxxxx> wrote: > # hdparm -d1 /dev/sr0 > > /dev/sr0: > setting using_dma to 1 (on) > HDIO_SET_DMA failed: Inappropriate ioctl for device > HDIO_GET_DMA failed: Inappropriate ioctl for device > > So, could someone please advise how to enable DMA > for the cd/dvd/rw drive? > > It would sure help my aging laptop to play high quality > 1080p HD movies. > > PS: Keep in mind that ide-scsi emulation is used on all > modern linux kernels since way back ???? The old IDE layer is obsolete and just kept around for a few legacy users who don't want to switch. The current ATA code will always enable ATAPI DMA when it is supported. -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org