The
following
illustration
shows
the
locations
of
the
error
LEDs
and
the
light
path
diagnostics
panel
on
the
optional
IBM
BladeCenter
Memory
and
I/O
Expansion
Blade.
DIMM8 error LED
Light path diagnostics
DIMM7 error LED
DIMM6 error LED
DIMM5 error LED
The
following
illustration
shows
the
light
path
diagnostics
panel
on
the
optional
Memory
and
I/O
Expansion
Blade.
SBRD
LP 1
LP
2
Memory and I/O expansion
blade system-board error LED
System-board light path LED
Memory and I/O expansion
blade light path LED
Light path diagnostics switch
When
you
press
the
light
path
diagnostics
switch,
note
which
LEDs
are
lit
on
the
system
board,
optional
Memory
and
I/O
Expansion
Blade,
and
light
path
diagnostics
panels.
Using
this
information
and
the
information
in
“Light
path
diagnostics
LEDs”
on
page
96
can
often
provide
enough
information
to
diagnose
the
error.
Chapter
5.
Diagnostics
95
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