Intel KM4M Computer Hardware User Manual


 
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MS-6734 M-ATX Mainboard
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
®
Front Panel I/O Connec-
tivity Design Guide.
PIN SIGNAL DESCRIPTION
1 HD_LED_P Hard disk LED pull-up
2 FP PWR/SLP MSG LED pull-up
3 HD_LED_N Hard disk active LED
4 FP PWR/SLP MSG LED pull-up
5 RST_SW_N Reset Switch low reference pull-down to GND
6 PWR_SW_P Power Switch high reference pull-up
7 RST_SW_P Reset Switch high reference pull-up
8 PWR_SW_N Power Switch low reference pull-down to GND
9 RSVD_DNU Reserved. Do not use.
JFP1 Pin Definition
PIN SIGNAL PIN SIGNAL
1 GND 2 SPK-
3 SLED 4 BUZ+
5 PLED 6 BUZ-
7 NC 8 SPK+
JFP2 Pin Definition
JFP1
1
2
9
10
HDD
LED
Reset
Switch
Power
LED
Power
Switch
JFP2
Power
LED
Speaker
1
2
7
8
CD-In Connector: JCD1
The connector is for CD-ROM audio connector.
JCD1
GND
RL