| Component | Function | |-----------|----------| | | Multi-phase PWM controller for CPU Vcore | | RT9202 | DDR memory power controller | | W83627DHG | Super I/O (fan control, serial ports, PS2) | | I915 / Q35 | Northbridge / Graphics Memory Controller Hub | | ICH7 / ICH9 | Southbridge (SATA, USB, PCIe, LPC) | | 25L1605 | SPI Flash BIOS |

Remember these pillars:

A professional-grade schematic provides a logical roadmap of how every component interacts. For the E93839 series, these diagrams typically include: