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Connector Pin Assignments

24-Pin Power (CMT and MT models)

Connector

			24				13
			12				1
Pin	Signal	Pin	Signal		Pin	Signal		Pin	Signal
1	+3.3 V	7	GND	13		+3.3 V	19		GND
2	+3.3 V	8	POK	14		-12 V	20		open
3	GND	9	+5 Vaux	15		GND	21		+5 V
4	+5 V	10	+12 V	16		PSON	22		+5 V
5	GND	11	+12 V	17		GND	23		+5 V
6	+5 V	12	+3.3 V	18		GND	24		GND

24-Pin MicroFit Power (USDT, SFF, and ST models)

Connector

			24					13￿
			12			1
Pin	Signal	Pin	Signal		Pin		Signal		Pin	Signal
1	+5 Vaux	7	PWRGD	13			+12 V		19	GND
2	GND	8	+3.3 V	14			+5 V Sense		20	+3.3	Sense
3	+5 V	9	+3.3 V	15			GND		21	+3.3	V
4	+5 V	10	Tach	16			+5 V		22	+3.3	V
5	PS_ON	11	GND	17			+5 V		23	GND
6	GND	12	Fan-CMD	18			+3.3 V		24	-12 V

4-Pin Power (for CPU) (MT and CMT models)

Connector and Icon	Pin	CMT and MT Signal
	1	GND
	2	GND
	3	+12 V CPU
	4	-12 V CPU

A–6 433611-001 Service Reference Guide, dx7300