Front panel connector: jfp1, I2c bus connector: j3 – MSI 945GC Networks User Manual
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2-13
Hardware Setup
PIN
SIGNAL
DESCRIPTION
1
HD_LED +
Hard disk LED pull-up
2
FP PWR/SLP
MSG LED pull-up
3
HD_LED -
Hard disk active LED
4
FP PWR/SLP
MSG LED pull-up
5
RST_SW -
Reset Switch low reference pull-down to GND
6
PWR_SW +
Power Switch high reference pull-up
7
RST_SW +
Reset Switch high reference pull-up
8
PWR_SW -
Power Switch low reference pull-down to GND
9
RSVD_DNU
Reserved. Do not use.
JFP1 Pin Definition
Front Panel Connector: JFP1
This connector is for electrical connection to the front panel switches and LEDs and
is compliant with Intel
®
Front Panel I/O Connectivity Design Guide.
2
1
10
9
JFP1
HDD
LED
Reset
Switch
Power
LED
Power
Switch
+
+
+
-
-
-
-
+
I2C Bus Connector: J3
This connector, known as I
2
C, is for users to connect System Management Bus
(SMBus) interface.
PIN
SIGNAL
1
GND
2
VCC5V
3
SMBus_Clock
4
SMBus_Data
5
+12V
6
Power Button
Pin Definition
6
1
J3
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