La-e801p Rev 2.0 Schematic

[19V DC-In Adapter] ──> [+19V_VIN] ──> [+3VALW / +5VALW Buck Converter] │ ┌────────────────────────────────────────┴────────────────────────────────────────┐ ▼ (S5 State) ▼ (S3 State) [+3V_EC / Power Button Active] ──> [EC Triggers PM_PWRBTN# to SoC] ──> [SoC Releases SLP Signals] ──> [+1.2V DDR4 VRAM Rail] │ ▼ (S0 Full Power State) [+1.0V PCH] ──> [+VCC_CORE] ──> [+VCC_GT] The Primary Voltage Rails

Once all power rails are stable, the power management system releases ALL_SYS_PWRGD , forcing the controller to issue PLT_RST# (Platform Reset). The CPU then begins fetching instruction code from the SPI BIOS chip. 4. Common Failure Modes and Troubleshooting Steps la-e801p rev 2.0 schematic

: A common repository for BIOS and schematics (often requires a subscription). [19V DC-In Adapter] ──> [+19V_VIN] ──> [+3VALW /