hah~ sorry for you poor hardware knowledge, although I've gone through the guide, still don't quite understand many thing..
but I think I have found the rule ,e.g. if a location path is PciRoot(0x0)/Pci(0x1,0x2)/Pci(0x0,0x2)/Pci(0x8,0x0)/Pci(0x0,0x0)/Pci(0x7,0x0)/Pci(0x0,0x0), "AAPL,slot-name"...