This is a PDF document that mainly introduces the interface information of the P5I 945 DVR motherboard
This document provides the pin‑out and electrical specifications for the SWATX power supply connector used on certain computer boards. It lists the power rails (+12V, +5V, +3.3V, -5V/NC, etc.), LED indicator pins and their functions, as well as auxiliary signals such as USB, SATA and audio headers.
The schematic style pages include detailed tables of pin numbers, symbols and the corresponding signals, making it a reference for system designers and technicians who need to wire or troubleshoot the connector.
Each SATA port (SATA1‑4) provides RX‑, TX‑, and GND pins.
The SYS_FAN and CPU_FAN pins are provided with a +12V PWM signal for fan control.