dell P3 电源 与 ATX标准 电源 区别

ATX标准 电源：

20-pin ATX power supply connector
Pin	Signal	Color	Pin	Signal	Color
1	+3.3 V		11	+3.3 V sense
2	+3.3 V		12	−12 V
3	Ground		13	Ground
4	+5 V		14	Power on
5	Ground		15	Ground
6	+5 V		16	Ground
7	Ground		17	Ground
8	Power good		18	−5 V (optional)
9	+5 V standby		19	+5 V
10	+12 V		20	+5 V

 

DELL P3 电源：

 

Pin	Signal	Color	Pin	Color	Signal
1	+5V	Red	11	Gray	PS_On
2	GND	Black	12	Black	GND
3	+5V	Red	13	Black	GND
4	GND	Black	14	Black	GND
5	Power_Good	Orange	15	White	-5V
6	+5VSB (standby)	Purple	16	Red	+5V
7	+12V	Yellow	17	Red	+5V
8	-12V	Blue	18	Red	+5V
9	GND	Black	19	KEY (blank)	-
10	GND	Black	20	Red	+5V