pci8086,27a0
pci8086,2a00
pci8086,44
pci8086,100
pci8086,104 //2nd Generation Core Processor Family DRAM Controller
pci8086,154 //3rd Gen Core processor DRAM Controller
这是兼容的Core processor DRAM Controller的 id
而你机器的是pci8086,108 //Xeon E3-1200 Processor Family DRAM Controller