Rosch Computer EMB-M4, User Manual

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EMB-M4 User`s Manual 17
Front Panel Connector
The front panel of the case has a control panel, which provides light
indication of the computer activities and switches to change the
computer status.
PWR HDD PWR Reset
BTN LED LED
¾
ATX Power ON/OFF Button
This 2-pin connector acts as the “Power Supply On/Off Switch”
on the M4 main board. When pressed, the switch will force the
Main board to power on. When pressed again, it will force the
main board to power off.
PWR BTN
Pin #
Signal Name
1 PWR-BTN
5 GND
¾
IDE Hard Disk LED Connector
This connector connects to the hard drive activity LED on control
panel. This LED will flash when the HDD is being accessed.
IDE LED
Pin #
Signal Name
2 IDE_ACT
6 Ground