Ksz80 Ob S4lv0.2 Datasheet 'link' <2024-2026>

Place the black probe on the chassis ground (GND) and probe the test points near the RT6503A PMIC. If your meter reads under

KSZ8091MNX/RNB Data Sheet : Details for the version supporting Wake-on-LAN and Energy Efficient Ethernet (EEE). Ksz80 Ob S4lv0.2 Datasheet

Hope this helps anyone currently laying out their PCB or debugging their Ethernet stack! Place the black probe on the chassis ground

If you need help identifying a specific component location or require assistance calculating substitution values for the MLCC capacitors, please let me know: If you need help identifying a specific component

For the “S4LV0.2” portion, check or TI TPS65261 — both offer multiple LDOs with ~0.2A capability.

If you would like to look into more specific details for your project: Need help with (Ref_Clk in vs. out)? Looking for compatible magnetics part numbers? Need the register map for specific driver development?