[Soekris] DMA data transfer from CompactFlash

[Poul-Henning Kamp]

In message <20070110075243.CE04A1C047 at coconut.itojun.org>, Jun-ichiro itojun Ha
gino writes:
>	I got two Soekris 4801 devices:
>	- purchased 2003/8 (A)
>	- purchased 2007/1 (B)
>	both has latest bios, 1.28.
>
>	also I have two 1G CF cards from SanDisk.
>	- purchased 2003 (alpha)
>	- purchased 2007 (beta)
>
>	i am experiencing strange symptoms.
>
>	- alpha can only do PIO transfers.  beta can do DMA transfers as well.

In the newer revisions of the 4801 DMA transfers to/from
CF cards is possible, but not all CF cards support it.


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