The 66MHz/64-bit PCI slots in motherboards designed around AMD’s 760MPX architecture can increase PCI card performance, if you know what you’re doing. It is just as easy to shoot yourself in the foot and decrease PCI card performance if you don’t know what you’re doing. There is quite a bit of debate and some confusion in hardware forums on this issue, so we went to experts, read AMD technical documentation, and ran benchmarks on the Asus A7M266-D to find out the real deal. Arm yourself with the solid information in this article before you buy components and put them together.

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