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Memory Map

The total capacity of a GameCube disc is 1,459,978,240 bytes, which consists of 712,880 sectors (each sector is 2,048 bytes).

Start	End	Label
`0x0000`	`0x0003`	Disk Header (`boot.bin`) - Game Code (1 byte Console ID, 2 bytes Game, 1 byte Country)
`0x0004`	`0x0005`	Disk Header (`boot.bin`) - Maker Code
`0x0006`	`0x0006`	Disk Header (`boot.bin`) - Disk ID
`0x0007`	`0x0007`	Disk Header (`boot.bin`) - Version
`0x0008`	`0x0008`	Disk Header (`boot.bin`) - Audio Streaming
`0x0009`	`0x0009`	Disk Header (`boot.bin`) - Stream Buffer Size
`0x000A`	`0x001B`	Disk Header (`boot.bin`) - Unused (zeroes)
`0x001C`	`0x001F`	Disk Header (`boot.bin`) - Magic Word (`0xC2339F3D`)
`0x0020`	`0x03FF`	Disk Header (`boot.bin`) - Game Name
`0x0400`	`0x0403`	Disk Header (`boot.bin`) - Offset of Debug Monitor (`dh.bin`)
`0x0404`	`0x0407`	Disk Header (`boot.bin`) - Address to Load Debug Monitor
`0x0408`	`0x041F`	Disk Header (`boot.bin`) - Unused (zeroes)
`0x0420`	`0x0423`	Disk Header (`boot.bin`) - Offset of Main Executable DOL (`bootfile`)
`0x0424`	`0x0427`	Disk Header (`boot.bin`) - Offset of FST (`fst.bin`)
`0x0428`	`0x042B`	Disk Header (`boot.bin`) - Size of FST (`fst.bin`)
`0x042C`	`0x042F`	Disk Header (`boot.bin`) - Maximum Size of FST (usually same as "Size of FST")
`0x0430`	`0x0433`	Disk Header (`boot.bin`) - User Position
`0x0434`	`0x0437`	Disk Header (`boot.bin`) - User Length
`0x0438`	`0x043B`	Disk Header (`boot.bin`) - Unknown
`0x043C`	`0x043F`	Disk Header (`boot.bin`) - Unused (zeroes)
`0x0440`	`0x243F`	Disk Header Information (`bi2.bin`)
`0x2440`	Variable	Apploader (`appldr.bin`)
Variable	Variable	FST (`fst.bin`)