IBM 88643RU Service Guide - Page 81

replaceable

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v Follow the suggested actions in the order in which they are listed in the Action column until the problem is solved. v See Chapter 3, "Parts listing, Type 8864," on page 23 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 1-3-1 1st 64K RAM test failed. 1. Reseat the following components: a. DIMM b. Memory card 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 3. 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 components listed in step 1 one at a time, in the order shown, restarting the server each time. 2-1-1 Secondary DMA register failed. 1. Reseat the I/O board. 2. Replace the I/O board. 2-1-2 Primary DMA register failed. 1. Reseat the I/O board. 2. Replace the I/O board. 2-1-3 Primary interrupt mask register failed. 1. Reseat the I/O board. 2. Replace the I/O board. 2-1-4 Secondary interrupt mask register failed. 1. Reseat the I/O board. 2. Replace the I/O board. 2-2-2 Keyboard controller failed. 1. Reseat the I/O board. 2. Replace the I/O board. 3-1-1 Timer tick interrupt failed. 1. Reseat the I/O board. 2. Replace the I/O board. 3-1-2 Interval timer channel 2 failed. 1. Reseat the I/O board. 2. Replace the I/O board. 3-1-4 Time-of-day clock failed. 1. Reseat the following components: a. Battery b. I/O board 2. Replace the components listed in step 1 one at a time, in the order shown, restarting the server each time. Chapter 5. Diagnostics 65

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v
Follow
the
suggested
actions
in
the
order
in
which
they
are
listed
in
the
Action
column
until
the
problem
is
solved.
v
See
Chapter
3,
“Parts
listing,
Type
8864,”
on
page
23
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
1-3-1
1st
64K
RAM
test
failed.
1.
Reseat
the
following
components:
a.
DIMM
b.
Memory
card
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
3.
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
components
listed
in
step
1
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time.
2-1-1
Secondary
DMA
register
failed.
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
2-1-2
Primary
DMA
register
failed.
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
2-1-3
Primary
interrupt
mask
register
failed.
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
2-1-4
Secondary
interrupt
mask
register
failed.
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
2-2-2
Keyboard
controller
failed.
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
3-1-1
Timer
tick
interrupt
failed.
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
3-1-2
Interval
timer
channel
2
failed.
1.
Reseat
the
I/O
board.
2.
Replace
the
I/O
board.
3-1-4
Time-of-day
clock
failed.
1.
Reseat
the
following
components:
a.
Battery
b.
I/O
board
2.
Replace
the
components
listed
in
step
1
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time.
Chapter
5.
Diagnostics
65