Supermicro A+, User Manual

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A+ Server AS -4124GO-NART/AS -4124GO-NART+ User's Manual
4.4 LED Indicators
LAN Port LEDs
The IPMI Ethernet port has two LED indicators. The Activity LED is yellow and indicates
connection and activity. The Link LED may be green, amber, or off to indicate the speed of
the connection. Refer to the tables below for more information.
LAN1/2 LED
(Connection Speed Indicator)
LED Color Definition
Off 10 Mb/s
Green 100 Mb/s
Amber 1 Gb/s
Activity Indicator
Color Status Definition
Off No Connection
Yellow Flashing Active
Front Power LED
When this LED is lit, it means system is in power-on state, and the onboard power status is
ok. Turn off the system and unplug the power cord before removing or installing components.
Front Power LED Indicator
LED Color Definition
Off System Off (power cable not connected)
Green System On, Power OK
BMC Heartbeat LED
A BMC Heartbeat LED is located at LED2 on the serverboard. When LED2 is blinking, BMC
functions normally. See the table below for more information.
BMC Heartbeat LED States
Color State Definition
Green Solid On BMC is not ready.
Green Blinking BMC Normal
Green Fast Blinking BMC: Initializing
Unit Identified LED
The front UID LED is located next to the UID switch. The UID indicators provide easy
identification of a system unit that may be in need of service.
UID LED Status
LED State Status
Solid On Local Unit Identified
Blinking Remote Unit Identified