0 = Interno
6 = Bus VME
12 = Procesador interno
1 = ISA
7 = NuBus
13 = Bus de energía interno
2 = EISA
8 = Bus PCMCIA
14 = Bus ISA PNP
3 = MicroChannel
9 = Bus C
15 = Bus PNP
4= TurboChannel
10 = Bus MPI
16= Tipo de interfaz máxima
5 = Bus PCI
11 = Bus MPSA