The
following
illustration
shows
the
location
of
the
light
path
diagnostics
switch
on
the
MPE
unit.
Light path
diagnostics
switch (SW1)
The
following
table
defines
the
function
of
the
light
path
diagnostics
switch
on
the
MPE
unit.
Switch
number
Description
SW1
Light
path
diagnostics
switch
–
Press
and
hold
to
relight
the
MPE-unit
LEDs
that
were
lit
before
you
removed
the
blade
server
from
the
BladeCenter
unit.
System
board
LEDs
The
following
illustration
shows
the
LEDs
on
the
blade
server
system
board.
You
must
remove
the
blade
server
from
the
BladeCenter
unit,
open
the
cover
or
remove
any
optional
expansion
units,
and
press
the
light
path
diagnostics
switch
to
light
any
error
LEDs
that
were
turned
on
during
processing.
DIMM 4 error LED
DIMM 3 error LED
DIMM 2 error LED
DIMM 1 error LED
Light path diagnostics panel
SAS hard disk
drive error LED
Microprocessor 1 error LED
Microprocessor 2 error LED
DIMM 8 error LED
DIMM 7 error LED
DIMM 6 error LED
DIMM 5 error LED
Chapter
1.
Introduction
9
Summary of Contents for LS21 - BladeCenter - 7971
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Page 130: ...Part Number 24R9695 Printed in USA 1P P N 24R9695...