ISA bus pinout

website isa slot pinout Bypass all pins to outside of the PC box by creating a simple PCB which fits into the 100 Pin slot and isa slot Try searching for 31 card edge connector It looks like there's some 50-31SN-12 in the states and they look correct for 8-bit ISA

isa slot pinout The EISA connector uses multiple rows of connectors The upper row is the same as a regular ISA slot, and the lower row contains the EISA  ISA interface is built using 8255 for extra control and address wires, pair of 74374's for capturing high byte of 16-bit data bus, and some glue logic for bus  In this image, you can see, from the right, a 16-bit ISA slot , an 8-bit ISA slot, four more 16-bit ISA slots,

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