1-6
Chapter 1: Product introduction
18. System Panel header
This header supports several chassis-mounted functions.
• System Power LED header (+PWR_LED-)
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 (+HDD_LED-)
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 (PWR_BTN)
The 2-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.
PIN 1
PWR_BTN
PWR_LED+
PWR_LED-
PWR
GND
HDD_LED+
HDD_LED-
Ground
HWRST#
(NC)
F_PANEL
+PWR_LED-
+HDD_LED- RESET
1.2.2 Rear panel connectors
1
9
2 3 4
5
6 7 8
1. PS/2 Keyboard/Mouse combo port. This port is for a PS/2 keyboard or mouse.
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.
Ethernet port LED indications
Speed LED
Status Description
OFF
10 Mbps connection
ORANGE
100 Mbps connection
GREEN
1 Gbps connection
Activity Link LED
Status Description
OFF No link
ORANGE Linked
BLINKING Data activity
ACT/LINK
LED
SPEED
LED
Ethernet port
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