c.
Remove
the
cover
from
the
blade
server.
d.
Press
and
hold
the
light
path
diagnostics
switch
to
light
the
LEDs
of
the
failing
components
in
the
blade
server.
The
LEDs
will
remain
lit
for
as
long
as
you
press
the
switch,
to
a
maximum
of
25
seconds.
The
following
illustration
shows
the
locations
of
the
system-board
error
LEDs
and
the
system-board
light
path
diagnostics
panel.
SAS 1 hard disk drive error LED
SAS 0 hard disk drive error LED
Battery error LED
Power jumper error LED
Microprocessor 1 error LED
Microprocessor 2 error LED
Light path diagnostics panel
DIMM 4 error LED
DIMM 3 error LED
DIMM 2 error LED
DIMM 1 error LED
The
following
illustration
shows
LEDs
on
the
system-board
light
path
diagnostics
panel.
MIS
NMI
SBRD
TEMP
LP
1
NMI error LED
Microprocessor mismatch error LED
System-board error LED
Over temperature error LED
Light path diagnostics LED
Light path diagnostics switch
52
BladeCenter
HS21
Types
1885
and
8853:
Problem
Determination
and
Service
Guide
Summary of Contents for BladeCenter HS21 1885
Page 1: ...BladeCenter HS21 Types 1885 and 8853 Problem Determination and Service Guide...
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Page 126: ...110 BladeCenter HS21 Types 1885 and 8853 Problem Determination and Service Guide...
Page 138: ...122 BladeCenter HS21 Types 1885 and 8853 Problem Determination and Service Guide...
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Page 140: ...Part Number 24R9701 Printed in USA 1P P N 24R9701...
