[Soekris] Correct 4801 CompactFlash?

[Jed Clear]

On Wed, 26 Dec 2007, Hans Zaunere wrote:
> Emilio Perea wrote on Wednesday, December 26, 2007 4:59 PM:
> > On Wed, Dec 26, 2007 at 04:25:34PM -0500, Hans Zaunere wrote:
> > "The net4801 added support for DMA on the CompactFlash from PCB rev 3,
> > dated 040226. If you have an older board then you will need to tell
> > the ATA driver to disable DMA, as it will detect that the disk
> > supports DMA but doesn't know it's not wired..."
> >
> > If you also have an early board, this is probably the problem.
>
> Not sure of the revision though.  I bought the card in December 2006.  On
> the back of the box, it has Model Number:  net4801-60
>
> Any thoughts on how I can confirm if this is the problem or not?

For starters, disable DMA in your OS' ATA driver and see if the problem
goes away.

Secondly you could check the date of your printed circuit card revision.
>From the photo, http://www.soekris.com/Pictures/net4801_top.jpg,  it
appears to be silkscreened on near the reset switch in the lower left in
YYMMDD format.  If yours is older than the date referenced above, then DMA
won't work.

-Jed