Front Panel Connectors: Jfp1 & Jfp2; Chassis Intrusion Switch Connector: Jci1 - MSI K8MM3 Series User Manual

Front Panel Connectors: JFP1 & JFP2
The mainboard provides two front panel connectors for electrical connection to the
front panel switches and LEDs. JFP1 is compliant with Intel
tivity Design Guide.
HDD
LED
JFP1
Reset
Switch
PIN SIGNAL
1 HD_LED_P
2 FP PWR/SLP
3 HD_LED_N
4 FP PWR/SLP
5 RST_SW_N
6 PWR_SW_P
7 RST_SW_P
8 PWR_SW_N
9 RSVD_DNU

Chassis Intrusion Switch Connector: JCI1

This connector is connected to a 2-pin chassis switch. If the
chassis is opened, the switch will be short. The system will record
this status and show a warning message on the screen. To clear
the warning, you must enter the BIOS utility and clear the record.
1 2
Power
LED
Power
Switch
9 10
JFP1 Pin Definition
DESCRIPTION
Hard disk LED pull-up
MSG LED pull-up
Hard disk active LED
MSG LED pull-up
Reset Switch low reference pull-down to GND
Power Switch high reference pull-up
Reset Switch high reference pull-up
Power Switch low reference pull-down to GND
Reserved. Do not use.
JFP2 Pin Definition
PIN SIGNAL PIN
1 GND 2
3 SLED 4
5 PLED 6
7 NC 8
®
Front Panel I/O Connec-
Power
LED
7 1
JFP2
2
8
Speaker
SIGNAL
SPK-
BUZ+
BUZ-
SPK+
Hardware Setup
CINTRU GND
1 2
JCI1
2-17