List of PS1 games that natively run in 480i

[D]

Come to think of it
Mr Driller G
both ps1 and jamma pcb run in 480i. (on the pcb it can toggled between 240p and 480i via a dip switch)

[PC Engine Fan X!]

Come to think of it
Mr Driller G
both ps1 and jamma pcb run in 480i. (on the pcb it can toggled between 240p and 480i via a dip switch)

The Namco jamma pcb of Mr. Driller 2 runs both in 240p and 480i modes as well. The fake high-res mode looks great on a dedicated 15.75kHz low-res arcade monitor setup indeed.

PC Engine Fan X! ^_~