[Soekris] Correct 4801 CompactFlash?

[Hans Zaunere]

Emilio Perea wrote on Wednesday, December 26, 2007 4:59 PM:
> On Wed, Dec 26, 2007 at 04:25:34PM -0500, Hans Zaunere wrote:
> > 
> > I have the 4801 and a SanDisk Extreme III compact flash (2gb), using
> > pfsense.  I've had a lot of problems with it, seemingly i/o issues
> > where pfsense can't write or read what it needs.  Upon first
> > installation, everything is fine, but then the system quickly has
> > issues. 
> > 
> > I'm figuring it's because I don't have the right type of compact
> > flash card in the system.  However, I'm having a difficult time
> > trying to determine what the correct type is.  Does anyone have any
> > recommendations for the correct CF card to use with the 4801
> > (either 1gb or 2gb would be fine). 
> 
> I used a SanDisk Ultra II on my 4801 without problems, but had lots of
> problems when switching to an Extreme IV.  As it turned out, the
> problem was not with the card at all.  Soren explained:

Yes, this does seem to be the exact problem - DMA errors being reported.

> "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?

Thanks much,

H