Intel MB440LX Backplane to System Board Power Interface, Backplane to Peripheral Interface, 169

Backplane to System Board Power Interface

Connector J1 on the backplane provides power to the system board.

Pin	Signal	Color	Pin	Signal	Color
1	+5 V	Red	13	+5 V	Red
2	+5 V	Red	14	+5 V	Red
3	-5 V	White	15	+5 V	Red
4	-12 V	Blue	16	+5 V	Red
5	GND	Black	17	GND	Black
6	GND	Black	18	GND	Black
7	GND	Black	19	GND	Black
8	GND	Black	20	GND	Black
9	GND	Black	21	GND	Black
10	+3.3 V	Orange	22	+3.3 V	Orange
11	+12 V	Yellow	23	+3.3 V	Orange
12	+12 V	Yellow	24	+12 V	Yellow

Backplane to Peripheral Interface

Connector J5 on the backplane supplies +5 VDC and +12 VDC power to the server peripherals.

Pin	Signal	Description	Pin	Signal	Description
1	GND	SCSI Bay #1, Ground	11	GND	SCSI Bay #1, Ground
2	+5 VDC	SCSI Bay #1, +5 V	12	+12 VDC	SCSI Bay #1, +12 V
3	GND	SCSI Bay #2, Ground	13	GND	SCSI Bay #2, Ground
4	+5 VDC	SCSI Bay #2, +5 V	14	+12 VDC	SCSI Bay #2, +12 V
5	GND	Peripheral Bay #1, Ground	15	GND	Peripheral Bay #1, Ground
6	+5 VDC	Peripheral Bay #1, +5 V	16	+12 VDC	Peripheral Bay #1, +12 V
7	GND	Peripheral Bay #2, Ground	17	GND	Peripheral Bay #1, Ground
8	+5 VDC	Peripheral Bay #2, +5 V	18	+12 VDC	Peripheral Bay #1, +12 V
9	GND	Peripheral Bay #3, Ground	19	GND	Peripheral Bay #1, Ground
10	+5 VDC	Peripheral Bay #3, +5V	20	+12 VDC	Peripheral Bay #1, +12 V

M440LX Server System Product Guide 169