bustype
| Type | String | 
|---|---|
| DHCP option number | not applicable | 
| ISC dhcpd syntax | not applicable | 
iPXE> show net0/bustype net0/bustype:string = PCI
  iseq ${net0/bustype} PCI && goto is_pci || goto not_pci
Describes the type of the hardware bus to which the network device is attached.