v
Yes
:
Go
to
step
6
(See
page
5.
Working
with
the
customer,
use
Hardware
Service
Manager
(HSM)
to
switch
ownership
of
the
tower’s
switchable
resources
to
the
tower’s
SPCN
(Power)
controlling
system.
To
do
this
use
the
in
the
iSeries
Service
Functions
information.
Were
you
able
to
switch
ownership
of
the
tower’s
switchable
resources
to
the
tower’s
SPCN
(Power)
controlling
system?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Contact
your
next
level
of
support.
This
ends
the
procedure.
6.
Perform
this
procedure
from
the
SPCN
controlling
system’s
Primary
partition
until
you
are
directed
to
do
otherwise.
Work
with
the
customer
to
end
the
Cluster
Resource
Group
(CRG)
containing
DASD
units
configured
as
independent
ASPs
(IASP)
under
the
tower’s
HSL
I/O
bridge
resource.
Refer
to
the
OptiConnect
for
OS/400
information.
Were
you
able
to
end
the
CRG?
v
No
:
Continue
with
the
next
step.
v
Yes
:
Go
to
step
8
(See
page
7.
Working
with
the
customer,
use
Hardware
Service
Manager
to
switch
the
towers
mode
to
″
Private
″
using
the
in
the
iSeries
Service
Functions
information.
Were
you
able
to
to
switch
the
towers
mode
to
″
Private
″
?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Contact
your
next
level
of
support.
This
ends
the
procedure.
8.
Check
to
see
that
no
other
towers
controlled
by
this
system’s
SPCN
are
powered
off
at
this
time.
Perform
then
return
here
and
continue
with
the
next
step
of
this
procedure.
Attention:
During
this
procedure
only
one
tower
connected
to
this
system
can
be
powered
off.
You
must
not
have
more
than
one
tower
powered
off
at
any
given
time
during
this
service
action.
9.
Using
the
identify
the
tower
that
you
are
working
on.
Look
at
the
″
Link
status
″
of
the
other
rows
to
see
if
there
are
any
failed
links,
other
than
the
links
that
you
recorded
for
the
tower
that
you
are
working
on.
Are
there
any
other
failed
links
that
are
not
associated
with
the
tower
that
you
are
working
on?
v
Yes
:
Continue
with
the
next
step.
v
No
:
Go
to
step
11
(See
page
10.
On
the
form,
look
to
see
if
there
are
any
″
operational
″
links
between
this
tower
and
a
failed
link.
Are
there
any
such
″
operational
″
links?
v
No
:
Continue
with
the
next
step.
v
Yes
:
You
can
not
use
this
procedure
to
power
off
the
tower.
Doing
so
will
cause
resources
to
be
lost
as
well
as
a
possible
system
failure.
You
must
power
down
the
system
to
continue
working
on
this
tower.
See
This
ends
the
procedure.
11.
Examine
table
to
determine
if
the
tower
that
you
are
working
on
is
linked
to
an
SPD
migrated
tower
(FC
5033,
5034,
5035,
or
5077).
Is
an
SPD
migrated
tower
the
next
link
(leading
or
trailing)
from
the
tower
that
you
are
working
on?
566
Hardware
(Remove
and
Replace;
Part
Locations
and
Listings)
Summary of Contents for 270
Page 2: ......
Page 12: ...x Hardware Remove and Replace Part Locations and Listings...
Page 279: ...Figure 3 CCIN 2881 with pluggable DIMM Analyze hardware problems 267...
Page 281: ...Figure 6 Models 830 SB2 with FC 9074 HSL and SPCN locations Analyze hardware problems 269...
Page 283: ...Figure 1b Model 840 SB3 processor tower dual line cord Analyze hardware problems 271...
Page 294: ...01 gif port and LED locations 282 Hardware Remove and Replace Part Locations and Listings...
Page 295: ...s src rzaq4519 gif locations Analyze hardware problems 283...
Page 483: ...Table 1 Cover assembly FC 5095 Expansion I O Tower Analyze hardware problems 471...
Page 614: ...602 Hardware Remove and Replace Part Locations and Listings...
Page 618: ...606 Hardware Remove and Replace Part Locations and Listings...
Page 621: ......
Page 622: ...Printed in USA SY44 5917 02...
