ISA PCB Pattern Layout and Pin Assignment Critique

You want a mainboard shaped backplane that provides power to the isa slots? I think like Horun said removing the chipset that

ISA PCB Pattern Layout and Pin Assignment Critique PC104 ISA Bus ; J1 Connector Pinout, J2 Connector Pinout ; IOCHCHK-, A1, B1, GND, GND ; SD7, A2, B2, RESETDRV, SBHE-

You want a mainboard shaped backplane that provides power to the isa slots? I think like Horun said removing the chipset that

isa expansion slot Same pinout as the A500 one basically Tatoo on a bridge card and some ISA slots and you could cover your entire posterior region! :

I have managed to figure out that the bottom row of pins in the EISA riser card slot are for the 2 PCI bus card + 3 ISA breakout board

isa slot Peripheral component interface started replacing the ISA bus in the mid-'90s New motherboards were manufactured with fewer ISA slots, and

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