Definition of ISA bus

ISA slot part numbers isa slot pinout Figure 3 describes the pinouts for the full 16-bit ISA expansion slot, and Figure 4 shows how the additional pins are oriented in the expansion slot isa slot full form ISA bus has two parts of each slot, part AB of slot belong to XT configuration , and part DC with AB belongs to AT slots configuration , as

isa slot function You want a mainboard shaped backplane that provides power to the isa slots? I think like Horun said removing the chipset that