4.System panel connector (10-1 pin PANEL)

This connector supports several chassis-mounted functions.

F_PANEL

B75M-A

PWR LED PWR BTN

PLED+-

PLEDPWRGND

PIN 1

_HD LED_HD LED+-GroundHWRST#(NC)

+HD_LED RESET

B75M-A System panel connector

•System power LED (2-pin PLED)

This 2-pin connector is for the system power LED. Connect the chassis power LED cable to this connector. The system power LED lights up when you turn on the system power, and blinks when the system is in sleep mode.

•Hard disk drive activity LED (2-pin IDE_LED)

This 2-pin connector is for the HDD Activity LED. Connect the HDD Activity LED cable to this connector. The IDE LED lights up or flashes when data is read from or written to the HDD.

•ATX power button/soft-off button (2-pin PWRSW) This connector is for the system power button.

•Reset button (2-pin RESET)

This 2-pin connector is for the chassis-mounted reset button for system reboot without turning off the system power.

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Chapter 1: Product introduction