What are these weird long ISA slots on this 386 board?

The ISA port has been nearly as long as the PC itself Created in 1981 and updated in 1983, the ISA standard served as an

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isa expansion slot form and USB hubs no no And it would be Putting isa riser card to an isa slot to multiply isa slots is

isa slot pinout There are still a few manufactures out there that make new motherboards with ISA slots But due to the low demand ,