Originally Posted by netllama
Please generate and attach a bug report. Also see the man page for nvidia-xconfig.
the problem was in the fact that there was "something" (I am fully aware that my description is quite unhelpful) with the xorg.conf file. Oddly enough, everything worked well when I had put the backup copy of xorg.conf (that was identical to the working version?).
So, to conclude it, there should be no problems
with two Quadro NVS 285
on Solaris 10 11/06
and nVidia 100.14.19 drivers
Thank you for your swift reaction and sorry for inconvenience.