RE: Why won't my HD do DMA I/O?

Bill Davidsen (davidsen@tmr.com)
Mon, 11 Feb 2002 14:19:00 -0500 (EST)


On Mon, 11 Feb 2002, Steve Snyder wrote:

> I should have noted this in my original post but, yes, I have enabled DMA in
> the kernel:
>
> # grep DMA /usr/src/linux-2.4.17/.config | grep -v '#'
> CONFIG_BLK_DEV_IDEDMA_PCI=y
> CONFIG_BLK_DEV_ADMA=y
> CONFIG_IDEDMA_PCI_AUTO=y
> CONFIG_BLK_DEV_IDEDMA=y
> CONFIG_IDEDMA_AUTO=y
>
> Thanks for the response.

Since I'm guessing at things which are unlikely, and I believe you said
"only one drive" has this, did you check the cable type, seating, and
condition? Putting in new hardware is such fun, I've found many inobvious
ways to do it almost perfectly ;-)

-- 
bill davidsen <davidsen@tmr.com>
  CTO, TMR Associates, Inc
Doing interesting things with little computers since 1979.

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