I heard that the Toshiba GPU was also part of that last minute change after the dual Cell design didn't work out. The Nvidia talks happened sort of in parallel

I heard that the Toshiba GPU was also part of that last minute change after the dual Cell design didn't work out. The Nvidia talks happened sort of in parallel, but that was the last option. I want to say it's mentioned in The Race For A New Game Machine too, but I'm not 100% on that.