Re: DMA with IDE on Triton II

[Tim Bell <bhat@cs.mu.oz.au>]

Thanks Bob and Bruce for your suggestions.

Quoting Bob Nielsen (nielsen@primenet.com):
> Have you compiled your kernel with
> 
> CONFIG_BLK_DEV_TRITON=y

Yes, I have.

> I get:
> 
> hdparm -d1 /dev/hda
> 
> /dev/hda:
>  setting using_dma to 1 (on)
>  using_dma    =  1 (on)
> 
> 
> However, the man page says:
> 
> -d     Disable/enable the "using_dma" flag for this drive.
>               This  option  only works with a few combinations of
>               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>               drives and interfaces which support DMA  and  which
>               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
>               are  known  to  the IDE driver.  In particular, the
>               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
> It could be that your controller card isn't supported.

Is there a list of supported controller cards somewhere? I couldn't
find it.

Another possibility is that I connect the hard disk to the IDE
controller on the motherboard. (I guess there's not much point using
the Ultra DMA card if I can't get it to DMA...) Does this sound
reasonable?

Tim.
-- 
Tim Bell                                      .--_|\ 
bhat@cs.mu.oz.au                             /      \
Department of Computer Science               \_.--._/
University of Melbourne, Australia                 v


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