Flash ROM

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The Flash is a 256 kiB or 1 MiB non-volatile TSOP ROM chip and connected to the MCPX via the LPC bus.

The Flash ROM is mapped at 0xFFF00000 (if the ROM is 1 MiB; 0xFFFC0000, if the ROM is 256 kiB) in the Xbox kernel.

For the content of the Microsoft flash images see BIOS.