| Option Category | # # CORE MISC OPTIONS # |
| Description | This option enable / disables the saving of nvram files when you exit a game. By default this option is on as it allows the saving of a systems settings. If this is turned off then either a system will always run with it's defaults or if the system has already saved an nvram file, it will not be overwritten by new data. |
| Full Command | -nvram_save |
| Alt. Command | none |
| Reverse Command | -nonvram_save |
| Example | mame64.exe pacman -nonvram_save |
| mame.ini Command | nvram_save |
| Command Default | 1 |
| Argument Format | <boolean> |