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Snow leopard ne voit pas mon slot PCI 2

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Salut à tous

Ça fait pas mal de temps que j'essaye de trouver la soluce mais je sèche :

Sous Leopard ou Tiger, l'OS voit très bien les cartes PCI que je mets dans les deux slots de la CM.

(airport et firewire)

 

Mais sous Snow, il ne voit que la première (pourtant la deuxième est bien là quand je fait ioreg -L dans le terminal)

En gros, quelque soit la carte PCI que je mets dans le Slot 2, Snow ne la voit pas.

 

Quelqu'un a une idée de la raison, ou une idée pour solutionner ? DSDT ?, String ?

 

La config est dans la signature.

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