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

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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 Connector Pinouts ISA Connector Component Side A1: *CHKCHK B1: GND A2: SD7 Note that IRQ13 is not present on the ISA bus connector

isa expansion slot wow that's really cool and a much better use of the TPM slot than a TPM 15:23 · Go to