Exception:
If
there
are
multiple
error
codes
or
diagnostics
LEDs
that
indicate
a
microprocessor
error,
the
error
might
be
in
the
microprocessor
or
in
the
microprocessor
socket.
See
for
information
about
diagnosing
microprocessor
problems.
v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
Beep
code
Description
Action
1-1-3
CMOS
write/read
test
failed.
1.
Reseat
the
battery.
2.
Clear
CMOS,
see
3.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
Battery
b.
(Trained
service
technician
only)
System
board
1-1-4
BIOS
EEPROM
checksum
failed.
(Trained
service
technician
only)
Replace
the
system
board.
1-2-1
Programmable
interval
timer
failed.
(Trained
service
technician
only)
Replace
the
system
board.
1-2-2
DMA
initialization
failed.
(Trained
service
technician
only)
Replace
the
system
board.
1-2-3
DMA
page
register
write/read
failed.
(Trained
service
technician
only)
Replace
the
system
board.
1-2-4
RAM
refresh
verification
failed.
1.
Reseat
the
DIMMs.
2.
Replace
the
following
components,
one
at
a
time,
in
the
order
shown:
a.
DIMMs
b.
(Trained
service
technician
only)
System
board
1-3-1
1st
64K
RAM
test
failed.
1.
Reseat
the
DIMMs.
2.
Replace
the
lowest-numbered
pair
of
DIMMs
with
an
identical
known
good
pair
of
DIMMs;
then,
restart
the
server.
If
the
beep
code
error
remains,
go
to
Return
one
DIMM
at
a
time
from
the
failed
pair
to
its
connector,
restarting
the
server
after
each
DIMM,
to
identify
the
failed
DIMM.
3.
Replace
the
following
components,
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
DIMMs
b.
(Trained
service
technician
only)
System
board
2-1-1
Secondary
DMA
register
failed.
(Trained
service
technician
only)
Replace
the
system
board.
62
IBM
xSeries
306m
Types
8849
and
8491:
Problem
Determination
and
Service
Guide
Summary of Contents for xSeries 206m
Page 1: ...IBM xSeries 306m Types 8849 and 8491 Problem Determination and Service Guide...
Page 2: ......
Page 3: ...IBM xSeries 306m Types 8849 and 8491 Problem Determination and Service Guide...
Page 8: ...vi IBM xSeries 306m Types 8849 and 8491 Problem Determination and Service Guide...
Page 143: ......
Page 144: ...Part Number 31R1183 Printed in USA 1P P N 31R1183...
