Re: Why no DMA??

mlord (
Sat, 26 Jul 1997 18:48:26 -0400

Neal Becker wrote:
> I'm puzzled as to why DMA is not being enbabled on my IDE drive.
> The motherboard is Triton II. The drive supports mode 4.

The drive/BIOS probably is defaulting to mode0.
Linux sees this, assumes you may have done it for a reason,
and leaves it alone, and does not use DMA on that drive by default.

Feel free to turn it on yourself with:

hdparm -X34 -d1 /dev/hd?