8.System panel connector (20-1pin PANEL1)

This connector supports several chassis-mounted functions.

PANEL1

M2N-L

M2N-L System Panel Connector

1

2

3

POWERLED+ GND POWERLED- MLED+ MLED- NC +5V GND GND SPKROUT

HDLED+ HDLED-

NMIBTN# GND POWERBTN# GND NC RESETBTN# GND

4

5

6

The system panel connector is color-coded for easy connection. Refer to the connector description below for details.

1.System power LED (Green 3-pin POWERLED)

This 3-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.

2.Message LED (Brown 2-pin MLED)

This 2-pin connector is for the message LED cable that connects to the front message LED. The message LED is controlled by Hardware monitor to indicate an abnormal event occurance.

3.System warning speaker (Orange 4-pin SPKROUT)

This 4-pin connector is for the chassis-mounted system warning speaker. The speaker allows you to hear system beeps and warnings.

4.Hard disk drive activity (Red 2-pin HDDLED)

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.

If an optional SATA add-in card is installed, the read or write activities of any device connected to the SATA add-in card causes this LED to light up.

5.Power/Soft-off button (Yellow 2-pin POWERBTN)

This connector is for the system power button. Pressing the power button turns the system ON or puts the system in SLEEP or SOFT-OFF mode depending on the BIOS settings. Pressing the power switch for more than four seconds while the system is ON turns the system OFF.

6.Reset button (Blue 2-pin RESETBTN)

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 2: Hardware information