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2-9
Onboard Indicators
LAN1/LAN2 LEDs
The Ethernet ports (located beside the VGA
port) have two LEDs. On each Gb LAN port,
one LED blinks to indicate activity while the
other may be green, amber or off to indicate
the speed of the connection. See the table
on the right for the functions associated with
the connection speed LED.
Dedicated IPMI LAN LEDs
A dedicated IPMI LAN is also included on
the H8DGU-LN4F+ serverboard. The amber
LED on the right indicates activity, while the
green LED on the left indicates the speed
of the connection. See the table at right for
more information.
Power LED
DP4 is an Onboard Power LED. When
this LED is lit, it means power is present
on the serverboard. Be sure to turn off the
system and unplug the power cord(s) before
removing or installing components.
BMC Heartbeat LED
A BMC (Baseboard Management Control)
Heartbeat LED is located at DP5 on the
motherboard. When DP5 is on, the BMC
Controller functions normally. See the tables
at right for more information.
UID LED (LE1)
A rear UID LED Indicator, located at LE1,
works in conjunction with the rear UID switch
to provide easy identifi cation for a unit that
might be in need of service. Refer to Page
2-15 for further UID details.
(Connection Speed Indicator)
LED Color
Off
Green
Amber
IPMI LAN Link LED
(Left) & Activity LED (Right)
Color
Link
(Left)
Activity
(Right)
Power LED (DP4)
State
System Status
On
Standby power present on
motherboard
Off
No power connected
BMC Heartbeat (DP5)
Color
Status
Green
Off
2-19
Chapter 2: Installation
LAN LED
Defi nition
10 MHz
100 MHz
1 GHz
Status
Defi nition
Green:
100 Mb/s
Solid
Amber:
Active
Blinking
LED Settings
Defi nition
Blinking
BMC: Normal
Off
Not functioning
normally
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