Desktop Motherboard Power Sequence Pdf Guide

The PCH releases the "Reset" signal, which clears junk data from the chips and allows the CPU to start executing instructions. 5. BIOS and POST

The power supply sends a constant 5V through the purple wire of the 24-pin ATX connector to the Super I/O (SIO) chip and the PCH. desktop motherboard power sequence pdf

Before you even touch the power button, the motherboard is already partially active. The PCH releases the "Reset" signal, which clears