ATX电源接口定义

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1、ATX电源接口定义----20针及24针(图)                                 20针                                24针针脚      名称　         颜色                 说　　明  1            3.3V　          橙色                      +3.3VDC  2           3.3V　          橙色                      +3.3VDC  3          C

2、OM　          黑色                      Ground  4          5V　             红色                      +5VDC  5          COM　         黑色                      Ground  6        5V　              红色                      +5VDC  7         COM　          黑色                      Ground  

3、8          PWR_OK　灰色                      PowerOk(+5V&+3.3Visok)  9          5VSB　        紫色                      +5VDCStandbyVoltage(max10mA)  10        12V　           黄色                      +12VDC  11        3.3V　         橙色                      +3.3VDC  12        -12V

4、　          蓝色                      -12VDC  13        COM　          蓝色                      Ground  14        PS_ON　    绿色                      PowerSupplyOn(activelow)  15        COM　         黑色                      Ground  16        COM　        黑色                      Gr

5、ound  17        COM　          黑色                      Ground  18        -5V　             白色                      -5VDC  19        5V　              红色                      +5VDC  20        5V　             红色                      +5VDC  ATX电源接口定义-最大带宽：可根据此处选择内存型号PC133类型显示SD

6、RAM 可选择SD内存内存容量有：128M   256M  512MPC2100-133MHZ--传输类型为DDR266 内存容量有：256M 512M 1GPC2700-166MHZ--传输类型为DDR333 内存容量有：256M512M 1GPC3200-200MHZ--传输类型为DDR400 内存容量有：256M512M 1GPC24200/4300-266MHZ--传输类型为DDR2533 内存容量为512M 1G 2GPC25300-333MHZ--传输类型为DDR2667 内存容量为512M  1G 2GPC26400-400

7、MHZ--传输类型为DDR2800 内存容量为1G 2GPC38500-533MHZ--传输类型为DDR3-1066 内存容量为1G 2GPC310600-666MHZ--传输类型为DDR3-1333 内存容量为1G 2G