Power
on
LED:
This
green
LED
indicates
the
power
status
of
the
blade
server
as
follows:
v
Flashing
rapidly
-
The
service
processor
on
the
blade
server
is
communicating
with
the
BladeCenter
Advanced
Management
Module.
v
Flashing
slowly
-
The
blade
server
has
power
but
is
not
turned
on.
v
Lit
continuously
(steady)
-
The
blade
server
has
power
and
is
turned
on.
v
Not
lit.
Either
the
BladeCenter
unit
is
powered
off,
or
a
power
failure
has
occurred
on
the
blade
server
or
the
BladeCenter
unit.
NMI
reset
button
If
the
operating
system
has
been
installed,
pressing
this
with
a
paper
clip
or
pin
causes
the
operating
system
to
call
the
system
debugger.
Note:
The
blade
error
LED,
information
LED,
and
location
LED
can
be
turned
off
through
the
BladeCenter
Management
Module
Web
interface.
System
board
LEDs
The
BladeCenter
QS21
has
status
LEDs
on
the
system
board
to
indicate
the
health
of
various
components.
Some
are
within
the
light
box
while
others
are
in
different
location.
A
lit
LEDs
indicates
an
error
condition.
Complete
information
about
the
LEDs
can
be
found
in
“Troubleshooting
charts”
on
page
52.
To
find
out
what
if
any
errors
have
occurred
on
the
system
board,
you
must:
1.
Remove
the
blade
server
from
the
BladeCenter
unit
2.
Open
the
cover
3.
Press
the
light
path
diagnostics
switch
This
lights
any
error
LEDs
that
were
turned
on
during
processing.
It
also
lights
a
green
LED
to
indicate
the
capacitor
is
charged
and
the
light
path
diagnostics
system
is
operating.
Figure
3
on
page
8
shows
the
location
of
the
light
path
LEDs
and
the
diagnostics
switch.
Chapter
1.
Introduction
7
Summary of Contents for QS21 - BladeCenter - 0792
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