The schematic provides pinouts for critical connectors:
. Finding a direct, free "long paper" or full schematic for this specific board can be difficult as these documents are often proprietary and restricted. AliExpress Resources for Schematics Direct Schematic File : A potentially relevant file is hosted on this Google Drive Link Hardware Specifications : The LA-G851P motherboard typically features an Intel Celeron N4020 processor and integrated RAM. Service & Repair Guides : While not a full circuit schematic, the Dell Chromebook 3100 Service Manual la-g851p schematic
— if obtained from trusted repair forums. Not recommended to pay for it; free versions exist. Always verify the revision matches your physical motherboard. The schematic provides pinouts for critical connectors: