According to a report, Sony is considering addressing the CMOS issue for its most recent games consoles. Currently, the PlayStation 4 and PlayStation 5 require a working CMOS battery to run correctly.
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Sony reportedly looking into CMOS issue for PlayStation 4 and
Sony Is Looking Into The Issue Regarding The PS4 And The PS5
Unlike PS4, it looks like PS5 will at least play some physical
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PS5 CMOS battery fix being looked into by Sony after game
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promoted blogs - Destructoid
PS5 stock UK LIVE updates - latest at GAME, Argos, John Lewis