You can see what the vender and deivce id is with /usr/X11/bin/scanpci Then try comparing and see if there is a close match in /etc/driver_aliases also look in the prtconf -Dpv in the compatible stanza and try one of thoses and submit a sunsolve.sun.com support RFE case. with dmesg and or kernel unix -rvk with dmesg output or a explorer report.
update_drv -a -i 'pcixxx,xxxx' driver -- This message posted from opensolaris.org