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SUPERSERVER 5018A-MHN4 User's Manual
Onboard Power LED
An Onboard Power LED is located at
LED3 on the motherboard. When this
LED is on, the system is on. Be sure
to turn off the system and unplug the
power cord before removing or install-
ing components. See the table at right
for more information.
Overheat/PWR Fail/Fan Fail LED
An onboard Overheat/Power Failure/
Fan Failure LED is located at LED8.
See the table on the right for more
information.
Unit Identifi cation LED
A rear UID LED indicator (LED7) is
located next to the Unit Identifi er (UID)
button on the I/O backplane. The front
panel UID LED is located at pin 7 of the
Front Control Panel at JF1. Connect a
cable to pin 7 on JF1 for front panel
UID LED indication. When you press
the UID button, both the rear UID LED
and the front panel UID LED indicators
will be turned on. Press the UID button
again to turn off both LED indicators.
These LEDs provide easy identifi cation
of a system unit that may be in need
of service.
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 Web-
site at http://www.supermicro.com.
Onboard PWR LED Indicator
LED States
LED Color
Defi nition
Off
System Off (PWR cable
not connected)
Green
System On
Green:
ACPI S1 State
Flashing
Quickly
Overheat/PWR Fail/Fan Fail
LED Settings
Color/State
Defi nition
Solid
Overheat
Blinking
PWR Fail or Fan Fail
UID LED Status
Color/State OS Status
Blue: On
Windows OS
Blue:
Linux OS
Blinking
5-20
Unit Identifi ed
Unit Identifi ed
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