Asus M4N78 Pro - Manual (Page 33)

8. System panel connector (10-1 pin PANEL)
This connector supports several chassis-mounted functions.
• System power LED (2-pin PWRLED)
This 2-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 (2-pin HDLED)
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.
• Power/Soft-off button (2-pin PWRBTN)
This 2-pin 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 (2-pin RESET)
This 2-pin connector is for the chassis-mounted reset button for system reboot without
turning off the system power.
9. Digital audio connector (4-1 pin SPDIF_OUT)
This connector is for an additional Sony/Philips Digital Interface (S/PDIF) ports.
The S/PDIF module is purchased separately.
Chapter 1: Product introduction 1-23