2 cards work in SL 10.6.8 But not in LION

[maximilian75]

I have a problem In SL 10.6.8 I used aquamac guide for multiples cards and work fine, but when install Lion 10.7.0 or 10.7.1 My Machine Crash in gray apple screen and force me to SHUTDOWN KP
I have a 7300 GS card and 450 GTS in GAX58A UD3R rev 2 motherboard
And I use Chimera 1.5.1 or 1.4.1
Some one have a posible solution