Advantech AIMB-275, User Manual

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19 AIMB-275 User Manual
Chapter 2
C
onnecting
Peripherals
2.8 Power Switch/HDD LED/SMBUS/Speaker Pin
Header (JFP1) & Power LED and Keyboard Lock
Pin Header (JFP2)
There are several headers for monitoring and controlling the AIMB-275.
2.8.1 ATX soft power switch (JFP1/PWR_SW)
If your computer case is equipped with an ATX power supply, you should connect the
power on/off button on your computer case to (JFP1/ PWR_SW),

for convenient
power on and off.
2.8.2 Reset (JFP1/RESET)
Many computer cases offer the convenience of a reset button. Connect the wire for
the reset button.
2.8.3 HDD LED (JFP1/HDDLED)
You can connect an LED to connector (JFP1/HDDLED) to indicate when the HDD is
active.
2.8.4 External speaker (JFP1/SPEAKER)
JFP1/SPEAKER is a 4-pin connector for an external speaker. If there is no external
speaker, the AIMB-275 provides an onboard buzzer as an alternative. To enable the
buzzer, set pins 7 & 10 as closed.
JFP2
1 2 3 4 5
3
1
12
10
JFP1