MSI MS-7646M1 - Front Panel Switches, LEDs, and IEEE 1394

2-15
Hardware Setup
Front Panel Connectors: JFP1
The mainboard provides one front panel connector for electrical connection to the
front panel switches and LEDs. JFP1 is compliant with Intel
®
Front Panel I/O Connec-
tivity Design Guide.
JFP1
Pin Definition
IEEE 1394 Connector: J1394_1 (Optional)
This connector allows you to connect the IEEE 1394 device via an optional IEEE 1394
bracket.
Pin Definition
PIN SIGNAL PIN SIGNAL
1 TPA+ 2 TPA-
3 Ground 4 Ground
5 TPB+ 6 TPB-
7 Cable power 8 Cable power
9 Key (no pin) 10 Ground
J1394_1
1
2
9
10
1 9
2 10
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.
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