On 3/23/07, Mitch Gore <mitchell.gore at gmail.com> wrote: > if i do that i get this... > > [root at Mitchell_mc myth]# /sbin/hdparm -d1 /dev/sda > > /dev/sda: > setting using_dma to 1 (on) > HDIO_SET_DMA failed: Inappropriate ioctl for device > > In most cases DMA is already on for sata devices and you can not enable it via the hdparm program. John