Last I heard they were desperately trying to get it on Linux.
Why it isn't is because its a huge legacy application with some very horrible hacks specific to the OS.
The last time I got an MRI, the control room had one of those iconic purple SGI O2 workstations on the desk. I guess they were pretty popular with medical imaging products.
Lots of MRIs and Cats still run Unix as well, even new ones. If it ain't broke etc etc, plus as a medical device it's a whole separate set of rules, testing, validation.
Indeed. I remember we got two of those at a TV station I worked at in 1997-1998, used mostly for fancy weather 3D effects. The weather guy was so in love with the system. Meanwhile we were still using 3/4” Beta tapes in the editing bay for reporter packages and network footage…