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Introducing Mainboard
Front Panel Power Connector: CN4
The mainboard provides a Front Panel connector for electrical connec-
tion to the Front Panel switches and LEDs. CN4 is compliant with Intel
®
Front
Panel I/O Connectivity 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.
CN4 Pin Definition
1
910
CN4
HDD
LED
Reset
Switch
Power LED
Power
Switch
2
USB Card Reader Connector: CN6
The mainboard provides a connector to connect the USB Card Reader on
the Front Panel.