Asus RS161-E4/PA2 - Manual (Page 63)

ASUS RS161-E4/PA2 4-17
14. System panel connector (20-pin PANEL1)
This connector supports several chassis-mounted functions.
• System power LED (Green 3-pin POWERLED)
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 (Red 2-pin HDDLED)
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.
If an optional SCSI or SATA add-in card is installed, the read or write ac-
tivities of any device connected to the SCSI or SATA add-in card causes
this LED to light up.
• System warning speaker (Orange 4-pin SPKROUT)
This 4-pin connector is for the chassis-mounted system warning
speaker. The speaker allows you to hear system beeps and warnings.
• Power/Soft-off button (Yellow 2-pin POWERBTN)
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 RESETBTN)
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. Refer to
the connector description below for details.
R
KFN4-DRE
KFN4-DRE System Panel Connector
PANEL1
MLED-
GND
NC
POWERBTN#
+5V
GND
GND
NC
POWERLED+
HDLED+
GND
HDLED-
POWERLED- MLED+
NC
GND
RESETBTN#
SPKROUT
GND