Advantech AIMB-740 Series, User Manual, Page: 40 / 134

AIMB-740/741
User’s Manual 24
2.12.4 HDD LED (CN19)
You can connect an LED to connector CN19 to indicate when the HDD is
active.
2.12.5 ATX soft power switch (CN21)
If your computer case is equipped with an ATX power supply, you should
connect the power on/off button on your computer case to CN21. This
connection enables you to turn your computer on and off.
2.12.6 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.
CN29 can be connected to CN19 of SNMP-1000. Please be careful about
the pin assignments, pin 1 must be connected to pin 1 and pin2 to pin 2 on
both ends of cable.
2.13 H/W Monitor Alarm (CN22)
To enable or disable the function of buzzer.
1
1
CN22