Micro Star Computer G31M - Manual (Page 30)

M S-7379 M ainboard
2-16
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 Connectors: JFP1, JFP2
These connectors are for electrical connection to the front panel switches and LEDs.
The JFP1 is compliant with Intel
® Front Panel I/O Connectivity Design Guide.
2
1
10
9
JFP1
HDD
LED Reset
Switch
Power
LED Power
Switch
+ +
+
- -
-
Power LED
Speaker
1
2
7
8
JFP2
-
- +
+
PIN SIGNAL DESCRIPTION
1 GND Ground
2 SPK- Speaker-
3 SLED Suspend LED
4 BUZ+ Buzzer+
5 PLED Power LED
6 BUZ- Buzzer-
7 NC No connection
8 SPK+ Speaker+
JFP2 Pin Definition