Here is a link to the technical manual to the Jaguar, written for and distributed to developers in 1992: https://www.hillsoftware.com/files/atari/jaguar/jag_v8.

Here is a link to the technical manual to the Jaguar, written for and distributed to developers in 1992: https://www.hillsoftware.com/files/atari/jaguar/jag_v8.pdf https://www.hillsoftware.com/files/atari/jaguar/jag_v8.pdf A search indicates many uses of the GPU term.