Front Panel Connector: Jfp1 & Jfp2 - MSI 845EV Manual

Front Panel Connector: JFP1 & JFP2
The mainboard provides two front panel connectors for establishing
electrical connection to the front panel switches and LEDs. Users can choose
either JFP1 or JFP2. Both JFP1 and JFP2 are compliant with Intel
I/O Connectivity Design Guide.
JFP1 Switch/LED Front Panel Electrical Connection
PIN
1
2
3
4
5
6
7
8
9
JFP2 Pin Definition
Pin Signal
1 GND
2 SPK-
3 SLED
4 BUZ+
SIGNAL DESCRIPTION
HD_LED_P Hard disk LED pull-up to +5V
FP PWR/SLP MSG LED pull-up to +5V
HD_LED_N Hard disk active LED
FP PWR/SLP MSG LED pull-up to +5V
RST_SW_N Reset Switch low reference pull-down to GND
PWR_SW_P Power Switch high reference pull-up to +5V
RST_SW_P Reset Switch high reference pull-up to +5V
PWR_SW_N Power Switch low reference pull-down to GND
RSVD_DNU Reserved. Do not use.
2-17
SPK
Pin Signal
5 PLED
6 BUZ-
7 NC
8 SPK+
Hardware Setup
®
Front Panel
8 7
+
-
P
BUZ
LED
S
+
-
GND
2
1
JFP2
(BUZ is optional)
10 9
-
-
PWSW
RST
+
+
-
S
HDD
LED
P
+
2
1
JFP1