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Chapter 2: Installation
UID LED Indicator (LED1)
The rear LED1 is located next to the UID switch. The front UID LED is located on the front
panel. When you press the UID switch, both rear LED1 and front UID LED indicators will
a system rack with multiple units installed). See also UID LED on page 35.
UID LED
LED Indicator
Color State Denition
Blue Solid On
None
BMC Hearbeat LED (LED7)
A BMC Heartbeat LED is located at LED7 on the motherboard. When LED7 is blinking, the
BMC is functioning normally. See the table below for more information.
BMC Heartbeat
LED State
Color State Denition
Green Solid On BMC is not ready
Green Blinking BMC Normal
Green Fast Blinking BMC: Initializing
Onboard Power OK LED (LED6)
LED6 is an onboard power OK LED. When this LED6 is lit, it means the system is turned
cable before removing or installing any component(s).
Onboard Power
LED Indicator
LED Color Denition
Green System On, Power OK
M.2 Interface Detection LED (LED11 and LED12)
The M.2 Interface Detection LED indicates that an M.2 interface was detected and working
correctly on either M.2-C1 (LED11) or M.2-C2 (LED12). It will indicate whether a SATA or
PCIe signal has been detected.
M.2 Active
LED Indicator
LED Color Denition
Green On (SATA)
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