主板开机原理(2) FONT-FAMILY: 'Times New Roman'; mso-fareast-font-family: 宋体; mso-font-kerning: 1.0pt; mso-ansi-language: EN-US; mso-fareast-language: ZH-CN; mso-bidi-language: AR-SA">ATX开机电路提供电压(ATX的电源开机电路是集成在南桥里的),南桥里的ATX开机电路将开始工作