System Management Controller
The System Management Controller (SMC) is a PIC16LC63A-04/SO microcontroller which handles a variety of tasks on the Xbox. This includes rebooting the system, returning the connected kind of video cable, the DVD tray state, controlling the fan, LED control and sensing temperature.
It is connected via I²C and located on address 0x10.
The chip is also marked with a revision. Known revisions include:
- P2L
- D01 (Seen in a debug kit)