MSI MS-7551 User Manual page 30

M S-7551 M ainboard
Front Panel Connectors: JFP1, JFP2
These connectors are for electrical connection to the front panel switches and LEDs.
The JFP1 is compliant with Intel
PIN
1
2
3
4
5
6
7
8
9
2-16
®
Front Panel I/O Connectivity Design Guide.
Power
LED
2
JFP1
1
+ -
HDD
LED
JFP1 Pin Definition
SIGNAL DESCRIPTION
HD_LED + Hard disk LED pull-up
FP PWR/SLP MSG LED pull-up
HD_LED - Hard disk active LED
FP PWR/SLP MSG LED pull-up
RST_SW - Reset Switch low reference pull-down to GND
PWR_SW + Power Switch high reference pull-up
RST_SW + Reset Switch high reference pull-up
PWR_SW - Power Switch low reference pull-down to GND
RSVD_DNU Reserved. Do not use.
Power
LED
JFP2
JFP2 Pin Definition
PIN SIGNAL
1 GND
2 SPK-
3 SLED
4 BUZ+
5 PLED
6 BUZ-
7 NC
8 SPK+
Power
Switch
-
+
10
9
-
+
Reset
Switch
1 2
Speaker
7 8
DESCRIPTION
Ground
Speaker-
Suspend LED
Buzzer+
Power LED
Buzzer-
No connection
Speaker+