I've got a DX58SO board and I have 2 GeForce GTX 275s in it. Everything seems to be working just fine, but when I go to the BIOS and look at the information (I forget the exact terminology) for the X16 PCI-E slots, it shows one (the top one) running at a negotiated width of 8X and the other (the bottom one) running at X16. It doesn't matter which card is in either slot or if both cards are in. The upper slot always runs at 8X. I thought they were both supposed to be X16 slots. Is there something wrong here?