# Sega CD I do not know the file extension limits for this system. ## Code example ```html
``` ### BIOS | File Name | Description | md5sum | | ----------- | ------------- | ----------- | | bios_CD_E.bin | MegaCD EU BIOS - Required | `e66fa1dc5820d254611fdcdba0662372` | | bios_CD_U.bin | SegaCD US BIOS - Required | `2efd74e3232ff260e371b99f84024f7f` | | bios_CD_J.bin | MegaCD JP BIOS - Required | `278a9397d192149e84e820ac621a8edd` | ### CORES The *segaCD* system supports 2 cores - `genesis_plus_gx` - `picodrive` If set to `segaCD`, emulator will use the `genesis_plus_gx` core.