[Derecho] grabbed a PAL format Super Nintendo but wanted to make it play nicely with a 60 Hertz NTSC screen. His hack added a single switch to choose between 50 Hz and 60 Hz. Take a look at the image ...
When classic PlayStation games were confirmed to be included in the new PS Plus tiers, many were hoping it would be the NTSC 60Hz ROMs that would be used for the titles rather than the inferior PAL ...