Laptop model: Sp513-54n-74V2


Testing power rails (separated by chip) reveals:

19V_DCBATOUT - (active)

5V_AUX_S5 - (active)
5V_S5 - (active)

3D3V_AUX_S5 - (active)
3D3V_S5 27Ω - (good) - enabled by Nuvoton chip

1D8V_VCCIN_AUX - (good) - enabled by 1D8V_S5 PG signal -- (dependent on 3D3V_S5)

1D8V_S5 41Ω - (good) - enabled by 3D3V_S5 PG signal

1D05V_VNN_BYPASS - (good) - enabled by 1D8V_VCCIN_AUX PG signal...