PCI-E x16 (Compatible) what does that mean? does that mean that its a PCI-E x16 slot? or is it a PCI-E 1.0a x16 slot or is it a PCI-E 1.0 x16 slot? or is it a PCI-E 1.1 x16 slot? and if its 1.0 its compatible with 2.0 and 3.0 but 1.0a is not and neither is 1.1 right?