ATX 电源
24-pin Main Power Connector
- Pin 1: +3.3V DC Orange
- Pin 2: +3.3V DC Orange
- Pin 3: COM Black
- Pin 4: +5V DC Red
- Pin 5: COM Black
- Pin 6: +5V DC Red
- Pin 7: COM Black
- Pin 8: PWR_OK Gray
- Pin 9: +5VSB Purple
- Pin 10: +12V1 DC Yellow
- Pin 11: +12V1 DC Yellow
- Pin 12: +3.3V DC Orange
- Pin 13: +3.3V DC Orange
- Pin 14: -12V DC Blue
- Pin 15: COM Black
- Pin 16: PS_ON# Green
- Pin 17: COM Black
- Pin 18: COM Black
- Pin 19: COM Black
- Pin 20: Reserved NC
- Pin 21: +5V DC Red
- Pin 22: +5V DC Red
- Pin 23: +5V DC Red
- Pin 24: COM Black
Source: https://edc.intel.com/content/www/us/en/design/ipla/software-development-platforms/client/platforms/alder-lake-desktop/atx-version-3-0-multi-rail-desktop-platform-power-supply-design-guide/2.0/2.1a/main-power-connector-required/, https://en.wikipedia.org/wiki/ATX#Power_supply, https://www.moddiy.com/pages/Power-Supply-Connectors-and-Pinouts.html, https://sparks.gogo.co.nz/atx-pcie-power-supply-connector-guide.html
更早的 ATX 用的是 20-pin 的版本,所以 ATX 电源为了兼容新旧主板,通常会提供 20+4 pin 的线。
8-pin CPU Power
有一些 CPU 供电用的是 4-pin,所以 ATX 电源会提供 4+4 pin 的 CPU 电源线。
6-pin PCIe Power
有一些 PCIe 供电是 8-pin,所以 ATX 电源会提供 6+2 pin 的 PCIe 电源线。







