Technical diagram and pinout for ATX +12V power supply connectors, including voltage rails and signal pins.
This document provides a schematic and pinout for ATX power supply connectors, detailing voltage rails such as +12V, +5V, and +3.3V, along with signal pins like PWR_OK, PS-ON, and reset switches. It also includes diagrams for USB and audio connectors, as well as SATA and CMOS reset functions.
The content is focused on electrical specifications and connection layouts for motherboard power management, suitable for technicians or engineers working with power supply design or troubleshooting.
| Reset Switch | RESET SW |
|---|---|
| Power Switch | POWER SW |
| CMOS Clear | CLR_CMOS (Unplug the AC power supply) |
Unplug the AC power supply and use the CLR_CMOS pin to clear CMOS.