1# NCT5539D Super I/O 2 3The Super I/O has the ID `0xd121` and the source can be found in 4`src/superio/nuvoton/nct5539d/`. 5 6## For developers 7 8The Super I/O generates ACPI using the 9[SSDT generator for generic SuperIOs](../common/ssdt.md). 10