0 = 內部
6 = VME 匯流排
12 = 內部處理器
1 = ISA
7 = NuBus
13 = 內部電源匯流排
2 = EISA
8 = PCMCIA 匯流排
14 = PNP ISA 匯流排
3 = MicroChannel
9 = C 匯流排
15 = PNP 匯流排
4= TurboChannel
10 = MPI 匯流排
16= 最大介面類型
5 = PCI 匯流排
11 = MPSA 匯流排