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ASUS TS100-E4/PI2 3-19
12. 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 chas-
sis 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)
This connector is for the message LED cable that connects to the
front message LED. The message LED indicates the booting status.
The LED blinks when the system is in the boot process until the oper-
ating system is loaded.
• 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 ashes
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 sys-
tem reboot without turning off the system power.
The system panel connector is color-coded for easy connection.
P5M2-M/C_TS100-E4
®
P5M2-M/C_TS100-E4 System Panel Connector
PANEL1
MLED-GND
NCPOWERBTN#
+5VGND
GNDNC
POWERLED+HDLED+
NCHDLED-
POWERLED-
MLED+NMIBTN#
GNDRESETBTN#
SPKROUTGND