Closest thing I can think of is this: https://en.wikipedia.org/wiki/SGI_Visual_Workstation https://en.wikipedia.org/wiki/SGI_Visual_Workstation It had some cust

Closest thing I can think of is this: https://en.wikipedia.org/wiki/SGI_Visual_Workstation https://en.wikipedia.org/wiki/SGI_Visual_Workstation It had some custom hardware choices different from typical PCs of the day (IIRC it had a crossbar instead of a system bus. It needed a special HAL to boot NT; Windows 2000 was the last version that supported the machine. It was extremely expensive for its capabilities and everybody in my lab looked at it and concluded "SGI is dead."