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27.
System Panel header
The System Panel header supports several chassis-mounted functions.
Chapter 1
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System Power LED header (PLED)
The 2-pin header allows you to connect the System Power LED. The System Power
LED lights up when the system is connected to a power source, or when you turn on
the system power, and blinks when the system is in sleep mode.
•
Storage Device Activity LED header (HDLED)
The 2-pin header allows you to connect the Storage Device Activity LED. The Storage
Device Activity LED lights up or blinks when data is read from or written to the storage
device or storage device add-on card.
•
Power Button/Soft-off Button header (PWRBTN)
The 3-1 pin header allows you to connect the system power button. Press the
power button to power up the system, or put the system into sleep or soft-off mode
(depending on the operating system settings).
•
Reset button header (RESET)
The 2-pin header allows you to connect the chassis-mounted reset button. Press the
reset button to reboot the system.
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Chapter 1: Product Introduction