MicroMac Power Workstation

[KennyPowers]

I think this 2-slot riser card may be as simple as a passive adapter, although I think I'd want to squint really hard at one of these adapters to make sure I'm not missing a buffer or inverter or something tricky that's helping prevent collisions.

Looking at the blurry image of the top of the 2-slot card from the manual, it looks like there *might* be an IC or two next to the slots. I think I see some legs on the edge of the image that aren't part of the LC board:



Here's the full page from the manual: https://archive.org/details/micro-mac-power-workstation-manual/page/n15/mode/2up?view=theater