Kyro II + i850E

Hello
I've bought an GA-8IHXP, combined it with an Vivid!XS but it does not work in AGP 4x, only in AGP 2x, though the i850E don't support AGP 2x. How can it be? How can I activate AGP 4x, because the 3D-Mode does not work without?
Thanx for all your help...


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Without electronic, too!