IOP
For
use
by
authorized
service
providers.
Replace
the
I/O
processor.
Use
the
I/O
processor
location
information
in
the
Service
Action
Log
if
it
is
available.
If
the
location
is
not
available,
find
the
address
of
the
I/O
Processor.
See
Use
the
address
to
find
the
location.
See
If
the
failing
item
is
in
a
migration
tower,
go
to
the
IOP
symbolic
FRU
in
the
manual
on
the
V5R1
Supplemental
Manuals
web
site
.
IOPWR
For
use
by
authorized
service
providers.
The
failing
item
is
a
power
supply
or
power
subsystem
hardware
in
an
I/O
tower.
See
IPLINTF
For
use
by
authorized
service
providers.
The
failing
item
is
any
card,
cable,
card
enclosure,
or
device
connected
to
bus
1
that
might
cause
an
interface
failure
between
the
service
processor
and
the
load-source
device.
1.
Perform
the
following:
a.
Power
off
the
system
from
the
control
panel.
b.
Change
the
IPL
mode
to
manual,
and
the
IPL
speed
to
SLOW
OVERRIDE(S)
using
control
panel
function
2.
c.
Power
on
the
system.
Does
the
same
SRC
occur?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Go
to
and
follow
the
service
actions
for
the
new
SRC.
This
ends
the
procedure.
2.
Power
off
the
system
from
the
control
panel.
Attempt
to
IPL
from
a
different
load
source
device.
v
If
the
failing
IPL
was
mode
A
or
B
from
the
disk
load
source,
then
get
an
alternate
IPL
media
and
attempt
an
IPL
mode
D
using
the
alternate
IPL
media.
v
If
the
failing
IPL
was
mode
D
from
an
alternate
IPL
media,
then
use
the
symbolic
FRU.
Does
the
same
SRC
occur?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Follow
the
service
actions
for
the
new
SRC.
–
If
the
IPL
is
successful,
then
the
failing
item
is
the
load-source
disk
device.
Slip-install
Licensed
Internal
Code
and
attempt
another
IPL.
–
If
the
failure
still
occurs
replace
the
load-source
disk
device
unit.
3.
The
failing
item
is
one
of
the
cards
or
devices
attached
to
the
interface
for
IPL
load-source
device(s).
Choose
from
the
following
options:
v
If
you
are
on
a
Model
270,
800,
or
810:
Continue
with
the
next
step.
v
If
you
are
on
a
Model
820:
Go
to
step
6
(See
page
v
If
you
are
on
a
Model
825:
Go
to
step
8
(See
page
v
If
you
are
on
a
Model
830
or
SB2:
Go
to
step
11
(See
page
v
If
you
are
on
a
Model
840
or
SB3:
Go
to
step
14
(See
page
350
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation
