User manual

73 ASMB-781 User Manual
Appendix B I/O Pin Assignments
B.7 System Fan Power Connector (SYSFAN1~4)
B.8 Power LED (JFP1)
B.9 External Speaker Connector (JFP1)
Table B.7: Fan Power Connector (SYSFAN1/SYSFAN2)
Pin Signal
1GND
2+12 V
3 DETECT
4PWM
Table B.8: Power LED (JFP1)
Pin Function
9 LED power (3.3 V)
11 NC
13 Ground
Table B.9: External Speaker Connector (JFP1)
Pin Function
10 SPK_VCC
12 SPK_OBS
14 SPK_BUZ
16 SPK_OUT