Small daughterboard typed I/O Board (029/032/034/035/036 precedent). Card Reader / Power Button retypes are advisory only. Listed for all 8 checked SKUs. OEM parts list only; not bench-tested.
Source notes
Saved HP PartSurfer product BOM(s) on box (partsurfer/cache_<SKU>.json, captured before this loop; no new HP fetch, HP OEM cool-down ON). Listed for 8 of 8 checked US clamshell product numbers (7PT48US, 8ME91US, 7MC80US, 7MR36US, 7NW13US, 7PJ10US, 7QQ62US, 7QQ68US; product name "HP EliteBook 830 G6 Notebook PC"). HP description: "SPS-BD AMBIENT LIGHT SENSOR". Keyword: Unknown Keyword. OrderFlag: 1. Also listed in the HP MSG for this model (ManualsLib mirror text). (via MM-LOOP-037).