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

What are these weird long ISA slots on this 386 board? isa slot computer This new 3 ISA slot PC will provide years of continued support for your critical ISA cards in a mid-tower chassis Supports Windows XP and older OS isa slot full form These motherboard with ISA slots allow fitting up to three full size ISA adapters Our motherboard with ISA slots are compatible with a variety of different new

isa slot full form 25k Member I've got a slot like that on a 38620 board All of the 13MB of memory is on the card You see

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