P555 F5 User's
Manual
UID
Switch
and
LED
Indicator
(UID
LED
&
UID-SW)
The
rear
UID
LED
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
and
front
UID
LED
indicators
will
turn
on.
Press
the
UID
switch
again
to
turn
off
the
LED
indicators.
Use
this
UID
Indicator
to
'mark'
the
system,
so
the
system
can
be
easily
identified
whether
on
the
front
or
back
(e.g.,
a
system
rack
with
multiple
units
installed).
UID
LED
LED
Indicator
Color
State
Definition
Blue
None
Solid
On
Off
Unit
Identified
UID
Off
BMC
Hearbeat
LED
(LEDM1)
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
Color
State
Definition
Green
Green
Green
Solid
On
Blinking
Fast
Blinking
BMC
is
not
ready
BMC
Normal
BMC:
Initializing
Onboard
Power
OK
LED
(LE1)
LE1
is
an
onboard
power
OK
LED.
When
this
LED
is
lit,
it
means
the
system
is
turned
on,
and
all
the
system
power
rails
are
ready.
When
the
system
is
turned
off,
or
any
one
of
the
system
power
rails
fails,
this
LED
will
turn
off.
Turn
off
the
system,
and
unplug
the
power
cord
before
removing
or
installing
any
component(s).
Onboard
Power
LED
Indicator
LED
Color
Definition
Off
Green
System
Off
(power
cable
not
connected)
System
On,
Power
OK
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