What is an Expansion Slot?

Expansion Bus Architecture isa expansion slot PCI slots were the first physically-incompatible expansion ports to directly squeeze ISA off the motherboard ISAEISAVLB slot There were even a few 80486 isa expansion slot The EISA bus slot is a two-level staggered pin system, with the upper part of the slot corresponding to the standard ISA bus pin layout

isa slot pinout Are there companies that sell new computers that support old ISA bus expansion cards? the problem is not only the lacking ISA slot, you also