On 7/10/05, Scot L. Harris <webid(a)cfl.rr.com> wrote:
On Sun, 2005-07-10 at 21:25, Stephen Armstrong wrote:
> I'm trying to enable DMA (for hdc) using hdparm as
> root but when I tried hdparm -d1 /dev/hdc I get the
> error: hdparm -d1 /dev/hdc not permitted
Check the bios options for the mode your cd/dvd player is set for.
I have a mother board that this had to be set correctly to allow hdparm
to set the DMA mode.
Scot L. Harris
Not all CD/CD-RW drives support DMA. I have 4X and 12X CD-RW drives
which only supports PIO.