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Chapter 2: Installation
UID LED
A UID LED (UID LED1) is located on the I/O backpanel, to the right of the VGA port. This
LED turns on when initiated via the UID Switch or IPMI to easily identify a systen in a rack.
Note:
UID can also be triggered via IPMI on the motherboard. For more information on IPMI,
please refer to the IPMI User's Guide posted on our website at
BMC Hearbeat LED
A BMC Heartbeat LED is located at LEDM1 on the motherboard. When LEDM1 is blinking,
the BMC is functioning normally. See the table below for more information.
BMC Heartbeat LED State
LED Color
Definition
Green: Blinking
BMC: Normal
Onboard Power LED
LED3 is an onboard power LED. When this LED is lit, it means power is present on the
motherboard. Turn off the system and unplug the power cord before removing or installing
components.
Onboard Power LED Indicator
LED Color
Definition
Off
System Off
(power cable not
connected)
Green
System On
Onboard Overheat and Fan Failure LED
LED2 is an onboard overheat and fan failure indicator. When this LED is lit, and is solid red,
it means that a system overheat condition has been detected. When the indicator is red and
blinking, this means that a system fan failure has occured.
Onboard Overheat / Fan
Failure LED Indicator
LED Color
Definition
Solid Red
Overheat
Blinking
Fan Failure