format so they could burn Dreamcast games onto standard 700MB CD-Rs. Because the original games were 1GB, "scene" groups had to make sacrifices to fit the data on a smaller disc:
Understanding Dreamcast GDI ROMs: The Gold Standard for Emulation GDI (Giga Disc Image) dreamcast roms gdi
, serving as a 1:1 raw dump of the console’s proprietary GD-ROM discs format so they could burn Dreamcast games onto
of data, which is why GDI files are considered the most accurate "perfect" dumps for preservation and emulation. Key Characteristics of GDI Files : A GDI is not a single file but a collection . It consists of one small dreamcast roms gdi
Not all emulators handle GDI files the same way. Here is the current landscape.