2.
Check
the
front
and
rear
of
the
server
to
determine
whether
any
component
LEDs
are
lit.
3.
Remove
the
server
cover
and
look
inside
the
server
for
lit
LEDs.
Certain
components
inside
the
server
have
LEDs
that
will
be
lit
to
indicate
the
location
of
a
problem.
For
example,
a
DIMM
error
will
light
the
LED
next
to
the
failing
DIMM
on
the
system
board.
Look
at
the
system
service
label
on
the
top
of
the
server,
which
gives
an
overview
of
internal
components.
This
information
can
often
provide
enough
information
to
correct
the
error.
Power-supply
LEDs
The
following
minimum
configuration
is
required
for
the
server
to
start:
v
One
microprocessor
v
Two
512
MB
DIMMs
v
One
power
supply
v
Power
backplane
v
Power
cord
v
ServeRAID
SAS
adapter
v
System
board
assembly
The
following
table
describes
the
problems
that
are
indicated
by
various
combinations
of
the
power-supply
LEDs
and
the
power-on
LED
on
the
front
information
panel
and
suggested
actions
to
correct
the
detected
problems.
56
System
x3400
Types
7973,
7974,
7975,
and
7976:
Problem
Determination
and
Service
Guide
Summary of Contents for System x3400 Type 7973
Page 1: ...System x3400 Types 7973 7974 7975 and 7976 Problem Determination and Service Guide...
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Page 210: ...Part Number 31R2197 Printed in USA 1P P N 31R2197...
