1-4
Chapter 1: Product Introduction
1.2.2 Rear panel connectors
1
6 5 8
2 3 4
75
12. 10-1 pin System Panel header
This header supports several chassis-mounted functions.
• System power LED (2-pin +PWR_LED-)
This 2-pin header is for the system power LED. Connect the chassis
power LED cable to this header. 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 +HDD_LED-)
This 2-pin header is for the HDD Activity LED. Connect the HDD
Activity LED cable to this header. The HDD LED lights up or ashes
when data is read from or written to the HDD.
• Power button/Soft-off button (2-pin PWR_BTN)
This header is for the system power button.
• Reset button (2-pin RESET)
This 2-pin header is for the chassis-mounted reset button for system reboot without
turning off the system power.
PIN 1
PWR_BTN
PWR_LED+
PWR_LED-
PWR
GND
HDD_LED+
HDD_LED-
Ground
HWRST#
(NC)
F_PANEL
+PWR_LED-
+HDD_LED- RESET
1. PS/2 keyboard/mouse combo port. This port is for a PS/2 mouse or keyboard.
2. Ethernet port. This port allows Gigabit connection to a Local Area Network (LAN)
through a network hub. Refer to the table below for the Ethernet port LED indications.
Realtek 1Gb Ethernet port LED indications
ACT/LINK
LED
SPEED
LED
Ethernet port
Activity Link LED
Status Description
OFF No link
ORANGE Linked
BLINKING Data activity
Speed LED
Status Description
OFF 10 Mbps connection
ORANGE 100 Mbps connection
GREEN 1 Gbps connection