On Friday 21 June 2013 06:35:42 Gregg Eshelman did opine:

> On Thu, 6/20/13, Jon Elson <[email protected]> wrote:
> 
>  The problem is that on some PCI cards, the normal offset of
>  0x402
>  between the
>  data port and the ECR register are different, and the right
>  register address
>  needs to be figured out, often by trial and error.  You
>  may be able to
>  figure it out from the lspci -v command, and then fool the
>  program by
>  entering an address that is, perhaps, 0x400 lower than the
>  suspected
>  config register group, so that it uses the 3rd register of
>  that group.
>  (That is 0x02 above the beginning of the group.)
>  (Note, poking random PCI registers can cause a system
>  crash.)
> 
>  Jon
> 
> The ideal fix is editing the BIOS to fix the not setting the port
> properly bug. ;-) There's a BIOS hacking and editing community that
> most likely contains at least one person with the know how to do that.
 
I have two of those D525MW boards.  I had to reflash the bios straight 
away, but I haven't had any parport problems using the default configs for 
the parport in Linuxcnc since.  The latest bios flash for those boards 
might actually fix it.  YMMV of course.

Cheers, Gene
-- 
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 soap, ballot, jury, and ammo. Please use in that order."
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My web page: <http://coyoteden.dyndns-free.com:85/gene> is up!
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