Asus M2N-LR/SATA - Manual (Page 47)

2-2 Chapter 2: Hardware information
11. System panel connector (20-pin PANEL1)
This connector supports several chassis-mounted functions.
The system panel connector is color-coded for easy connection. Refer to the
connector description below for details.
• 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.
• 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.
• 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.
• 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.
• 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.
M2N-LR/SATA
®
M2N-LR/SATA System Panel Connector
PANEL1
MLED-
GND
NC
POWERBTN#
+5V
GND
GND
NC
POWERLED+
HDLED+
GND
HDLED-
POWERLED- MLED+
NMIBTN#
GND
RESETBTN#
SPKROUT
GND