External Speaker (Cn17); Reset (Cn18); Hdd Led (Cn19); Sm Bus Connector (Cn29) - Advantech PCA-6005 User Manual

2.11.2 External speaker (CN17)

CN17 is a 4-pin connector for an extenal speaker. If there is no external
speaker, the PCA-6005 provides an onboard buzzer as an alternative. To
enable the buzzer, set pins 3-4 as closed.

2.11.3 Reset (CN18)

Many computer cases offer the convenience of a reset button. Connect the
wire from the reset button.

2.11.4 HDD LED (CN19)

You can connect an LED to connector CN19 to indicate when the HDD is
active.

2.11.5 SM Bus Connector (CN29)

This connector is reserved for Advantech's SNMP-1000 HTTP/SNMP
Remote System Manager. The SNMP-1000 allows users to monitor the
internal voltages, temperature and fans from a remote computer through
an Ethernet network.
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