Datasheet

System Board Interconnects Intel® Server System SR2500AL

Revision – 1.00

Intel order number D31980-004

Table 20. Mid-plane Fan Header Pin-outs

J2B1 - FAN_1 J2B3 - FAN_3 J7B1 - FAN_5

PIN SIGNAL NAME PIN SIGNAL NAME PIN SIGNAL NAME

1 FAN_TACH5 1 FAN_TACH7 1 FAN_TACH10

2 FAN_PWM_CPU1 2 FAN_PWM_CPU2 2 FAN_PWM3

3 P12V 3 P12V 3 P12V

4 P12V 4 P12V 4 P12V

5 FAN_TACH1_H7 5 FAN_TACH3_H7 5 FAN_TACH9

6 GND 6 GND 6 GND

7 GND 7 GND 7 GND

8 FAN_PRSNT1_N 8 FAN_PRSNT3_N 8 FAN_PRSNT5_N

9 LED_FAN1_FAULT 9 LED_FAN3_FAULT 9 LED_FAN5_FAULT

10 LED_FAN1 10 LED_FAN3 10 LED_FAN5

J2B2 - FAN_2 J3B1 - FAN_4 J7B2 - FAN_6

PIN SIGNAL NAME PIN SIGNAL NAME PIN SIGNAL NAME

1 FAN_TACH6 1 FAN_TACH8 1 UNUSED

2 FAN_PWM_CPU1 2 FAN_PWM_CPU2 2 FAN_PWM3

3 P12V 3 P12V 3 P12V

4 P12V 4 P12V 4 P12V

5 FAN_TACH2_H7 5 FAN_TACH4_H7 5 FAN_TACH10

6 GND 6 GND 6 GND

7 GND 7 GND 7 GND

8 FAN_PRSNT2_N 8 FAN_PRSNT4_N 8 FAN_PRSNT6_N

9 LED_FAN2_FAULT 9 LED_FAN4_FAULT 9 LED_FAN6_FAULT

10 LED_FAN2 10 LED_FAN4 10 LED_FAN6

Table 21. Mid-plane Power Connector Pin-out

PIN Signal Description

1 GND

2 GND

3 P5V

4 P3V3

5 GND

6 P12V

7 P12V

8 P12V

9 P12V

10 P5V_STBY