[orca-list] Are there known issues with Orca and vidio cards?

[Hermann <steppenwolf2 onlinehome de>]

Hi,
I use a s3 Gama on-board video card by Savage. Does the observed 
sluggishness of the whole system and the missbehaving of Orca in OO and 
Evolution result from any problems with that video divice?
Are there any additional drivers I should install, or do I have to change 
the graphical settings such as resolution?
In the Windows world there are a lot of such issues regarding vidio cards 
and screen readers.
Any ideas?
Hermann