OK, this patch should d the trick.

On Sat, Sep 11, 1999 at 11:23:23AM +0200, Benjamin Herrenschmidt wrote:
> >I have a bunch of information on this lying around, and most of my
> >other kernel problems seem to be resolved now.  I'm in the process of
> >upgrading to current vger; if it succeeds, I'll try to merge all
> >pending controlfb stuff tomorrow.
> 
> I also have a pair of crazy 8500 who have 2Mb of VRAM but in bank2 (they
> don't work if the VRAM is moved to bank1, even under MacOS). The current
> controlfb appears to work well. Send me your merge results, I'll test on
> one of those weird machines Monday.
> 
> 
> -- 
>            E-Mail: <mailto:bh40@calva.net>
> BenH.      Web   : <http://calvaweb.calvacom.fr/bh40/>
> 
> 
> 
> 


Dan

/--------------------------------\  /--------------------------------\
|       Daniel Jacobowitz        |__|        SCS Class of 2002       |
|   Debian GNU/Linux Developer    __    Carnegie Mellon University   |
|         dan@debian.org         |  |       dmj+@andrew.cmu.edu      |
\--------------------------------/  \--------------------------------/