MSI 945GC Networks - Manual (Page 29)

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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