Xorg support for adding a graphics card

[Warren Block]

On Fri, 12 Nov 2010, doug at safeport.com wrote:

> Thanks. The [latest] BIOS has one VGA option:
>
>   Video DAC Snoop Controls how VGA and graphics devices on the PCI or AGP
>   bus respond to palette register accesses.
>
>    * On  - forces VGA and graphics devices to snoop VGA palette register
>            accesses and forward them to the ISA bus.
>    * Off - (the default) forces VGA and graphics devices to respond
>            positively to palette register accesses.

Is there a "Init Graphics Card First" that can be set to AGP/PCI?  That 
would let the preferred card be seen first.  Still only one card.  I 
don't know what's needed for multi-card xorg support on FreeBSD, but I 
suspect it won't happen soon.