Chapter 4: Motherboard information
Chapter 4: Motherboard information
Chapter 4: Motherboard information
Chapter 4: Motherboard information
Chapter 4: Motherboard information
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4-16
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13.
13.
13.
13.
13. System panel connector (20-pin PANEL1)
System panel connector (20-pin PANEL1)
System panel connector (20-pin PANEL1)
System panel connector (20-pin PANEL1)
System panel connector (20-pin PANEL1)
This connector supports several chassis-mounted functions.
The sytem panel connector is color-coded for easy connection.
®
NCL-DSR1
NCL-DSR1 System panel connector
PANEL1
MLED-
GND
NC
POWERBTN#
+5V
GND
GND
NC
POWERLED+
HDLED+
NC
HDLED-
POWERLED-
MLED+
NMIBTN#
GND
RESETBTN#
SPKROUT
GND
•
System power LED (Green 3-pin PLED)
System power LED (Green 3-pin PLED)
System power LED (Green 3-pin PLED)
System power LED (Green 3-pin PLED)
System power LED (Green 3-pin PLED)
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.
•
Message LED (Brown 2-pin MLED)
Message LED (Brown 2-pin MLED)
Message LED (Brown 2-pin MLED)
Message LED (Brown 2-pin MLED)
Message LED (Brown 2-pin MLED)
This connector is for the message LED cable that connects to the
front panel message LED. The message LED indicates the booting
status. The LED blinks when the system is in the boot process until
the operating system is loaded.
•
System warning speaker (Orange 4-pin SPEAKER)
System warning speaker (Orange 4-pin SPEAKER)
System warning speaker (Orange 4-pin SPEAKER)
System warning speaker (Orange 4-pin SPEAKER)
System warning speaker (Orange 4-pin SPEAKER)
This 4-pin connector is for the chassis-mounted system warning
speaker. The speaker allows you to hear system beeps and warnings.
•
Hard disk drive activity LED (Red 2-pin HD_LED)
Hard disk drive activity LED (Red 2-pin HD_LED)
Hard disk drive activity LED (Red 2-pin HD_LED)
Hard disk drive activity LED (Red 2-pin HD_LED)
Hard disk drive activity LED (Red 2-pin HD_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 (Yellow 2-pin PWRBTN)
ATX power button/soft-off button (Yellow 2-pin PWRBTN)
ATX power button/soft-off button (Yellow 2-pin PWRBTN)
ATX power button/soft-off button (Yellow 2-pin PWRBTN)
ATX power button/soft-off button (Yellow 2-pin PWRBTN)
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 RESET)
Reset button (Blue 2-pin RESET)
Reset button (Blue 2-pin RESET)
Reset button (Blue 2-pin RESET)
Reset button (Blue 2-pin RESET)
This 2-pin connector is for the chassis-mounted reset button for
system reboot without turning off the system power.
•
Non-maskable interrupt (Light blue 2-pin NMI)
Non-maskable interrupt (Light blue 2-pin NMI)
Non-maskable interrupt (Light blue 2-pin NMI)
Non-maskable interrupt (Light blue 2-pin NMI)
Non-maskable interrupt (Light blue 2-pin NMI)
This 2-pin connector is for a front panel button to allow a non-
maskable interrupt command to be sent to the operating system.