Installations
MBN500 series User’s Manu
13
JP7: System Function Connector
JP7 provides connectors for system indicators that provide light
indication of the computer activities and switches to change the
computer status. JP7 is a 8-pin header that provides interfaces for the
following functions
Power LED: Pins 1,2
The power LED indicates the status of the main power switch.
Pin #
Signal Name
1
+5V
2
GND
ATX Power ON Switch: Pins 3, 4
This 2-pin connector is an “ATX Power Supply On/Off Switch” on the
system that connects to the power switch on the case. When pressed,
the power switch will force the system to power on. When pressed
again, it will force the system to power off.
Pin #
Signal Name
3
Power_ON
4
GND
Hard Disk Drive LED Connector: Pins 5, 6
This connector connects to the hard drive activity LED on control
panel. This LED will flash when the HDD is being accessed.
Pin #
Signal Name
5
+3.3V
6
-HDD_LED
Reset Switch: Pins 7, 8
The reset switch allows the user to reset the system without turning the
main power switch off and then on again. Orientation is not required
when making a connection to this header.
Pin #
Signal Name
7
PM_SYSRST#
8
GND