The bus allows any I/O control board having {HEAD ~ a common interface}, such as {TAIL ~ ISA}, PCI, Compact PCI, etc., to connect to the bus by attachment to one of its slots 
such as
The bus allows any I / O control board having { HEAD ~ a common interface } , such as { TAIL ~ ISA } , PCI , Compact PCI , etc . , to connect to the bus by attachment to one of its slots
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH