Always download the correct revision (look for "REV: 1.0" or "REV: 2.0" printed on the physical board near the edge). A Rev 2.0 schematic may have different resistor values for the DDR4 termination circuit than a Rev 1.0.
(Kaby Lake/Coffee Lake architectures). DDR4 Memory slots. Dedicated GPU options (often NVIDIA GeForce 930MX). USB-C / DisplayPort integration. Why You Need the Schematic la-g121p schematic
It labels every resistor, capacitor, and MOSFET (e.g., PU1, RC12, PQ7). Always download the correct revision (look for "REV: 1