The Options Menu allows you to adjust various options.
General Options:
Contains various options, including on-screen display settings,
pause tint, and intro effect styles.
Joypads:
Allows you to reconfigure the controller types and mappings.
Directories:
Configure what directories are used for different types of files,
such as savestates or screenshots.
BIOS/Misc Files:
Configure different firmware and miscellaneous files, such as SegaCD firmware
and the path to the "rar" binary.
Enable SRAM: If checked, SRAM is enabled for games that support it. Some games do not usually have SRAM, and will activate a copy-protection function if they detect it. For those games, you will need to manually disable SRAM by unchecking this item.
Current CD Drive:
Select the CD-ROM drive to use for physical SegaCD support via File, Boot CD.
SegaCD SRAM Size:
Specify the size for the SegaCD backup RAM cartridge. Available sizes are None,
8 KB, 16 KB, 32 KB, and 64 KB.
Load Config...:
Load an alternate configuration file.
Save Config As...:
Save the current configuration to the specified file.