The only thing that makes the board in that an AIO is the fact that a CRT is hooked up the personality/wings card. Take that off and you got a plain-jane beige G3.

I converted one of those into a tower G3. I don't even think it identified with the system as an AIO, unless it sensed the CRT and told it that.

It is the same between the desktop and the tower. all the same boards/cpu/cards. Even the card that runs the monitor is a regular Whisper personality card. It's that black connector with clips that connects the CRT to it. And I suppose the other cable iirc that connect the front audio jacks and control buttons. That's it.

Just throw it in a beige G3 and watch it install.

Cheers!