>high-speed I/O such as PCIe Back in the years we're talking about, that would be AGP (https://en.m.wikipedia.org/wiki/Accelerated_Graphics_Port https://en.m.w

>high-speed I/O such as PCIe Back in the years we're talking about, that would be AGP (https://en.m.wikipedia.org/wiki/Accelerated_Graphics_Port https://en.m.wikipedia.org/wiki/Accelerated_Graphics_Port).