Quote Originally Posted by Stelios View Post
The first VGA is a MSI 580GTX Lightning.
The 2nd is one MSI 580GTX twinfrozer/oc with bumped clocks in order to match the 1st card .

I'll play with the 2nd card bios . Maybe there is something i can do ...
That BIOS being different is probably the cause of your problems if both cards load drivers when used on their own in either slot.

-Raja