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75 AIMB-210 User Manual
Appendix B I/O Pin Assignments
B.11 HDD LED and External Speaker Connector
(JFP2/HDD LED and SPEAKER)
The single board computer has its own buzzer. You can also connect it to the external
speaker on your computer chassis.
B.12 ATX Soft Power Switch and Reset Connector
(JFP1/ PWR-SW and RESET)
Table B.11: External Speaker Connector (JFP2/SPEAKER)
Pin Signal Pin Signal
1 SPK+ 2 HDDLED+
3 NC 4 HDDLED-
5 SPK_IN 6 SMB_DAATA
7 SPK- 8 SMB_CLK
Table B.12: Reset Connector (JFP1/ RESET)
Pin Signal
1 PWR_BTN#
2 GND
3 RESET
4 GND
12 43