0 = Interne
6 = Bus VME
12 = Processeur interne
1 = ISA
7 = NuBus
13 = Bus d'alimentation interne
2 = EISA
8 = Bus PCMCIA
14 = Bus PNP ISA
3 = MicroChannel
9 = Bus C
15 = Bus PNP
4= TurboChannel
10 = Bus MPI
16= Type d'interface maximale
5 = Bus PCI
11 = Bus MPSA