Antoine Jacoutot sez: } # hdparm -d1 /dev/hda } > } > /dev/hda: } > setting using_dma to 1 (on) } > HDIO_SET_DMA failed: Operation not permitted } > using_dma = 0 (off) } } You need to be root to do this... Thank you, I know. And it was. I even indicated it by including the # prompt instead of the % prompt. --Greg