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4-17ASUS TS300-E3/PA4 & PS4
14. System panel connector (20-pin PANEL1)
This connector supports several chassis-mounted functions.
• 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.
• Hard disk drive activity LED (Red 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.
• 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.
• ATX power button/soft-off button (Light Green 2-pin PWRSW)
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)
This 2-pin connector is for the chassis-mounted reset button for system
reboot without turning off the system power.
• 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 oprating system in
loaded.
The system panel connector is color-coded for easy connection.
LAN2
®
P5MT Series System panel connector
PANEL1
MLED-GND
NCPOWERBTN#
+5VGND
GNDNC
POWERLED+HDLED+
GNDHDLED-
POWERLED-
MLED+NMIBTN#
GNDRESETBTN#
SPKROUTGND