–
Ensure
that
the
SCSI
cable
is
seated
correctly,
and
that
there
are
no
bent
or
damaged
pins
on
the
SCSI
cable.
–
Ensure
that
a
terminating
plug
is
attached
to
the
device
end
of
the
SCSI
cable.
–
Continue
with
the
next
step.
3.
Is
there
a
Fiber
Channel
interface
between
the
IOP/IOA
and
the
device?
v
No
:
Continue
with
the
next
step.
v
Yes
:
Perform
the
following:
–
Verify
that
any
hub
or
gateway
devices
are
powered
on.
–
Verify
that
the
Fiber
Channel
cable
is
correctly
connected
to
the
ports.
–
If
a
cleaning
kit
is
available
clean
the
Fiber
Channel
cable
connectors.
–
Continue
with
the
next
step.
4.
Perform
the
in
the
iSeries
Service
Functions
book
to
see
if
the
problem
was
corrected.
This
ends
the
procedure.
CLKCARD
For
use
by
authorized
service
providers.
See
symbolic
FRU
CLCKCRD
For
use
by
authorized
service
providers.
The
failing
item
is
the
clock
card
on
the
system
unit,
or
the
SPCN
cable
(JTAG)
interface
(for
Models
830,
840,
870,
890,
SB2,
and
SB3).
1.
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
4
(See
page
v
If
you
are
on
a
Model
825
:
Go
to
step
5
(See
page
v
If
you
are
on
a
Model
830,
840,
SB2,
or
SB3
:
Go
to
step
6
(See
page
.
v
If
you
are
on
a
Model
870
or
890
:
Go
to
step
7
(See
page
2.
Is
this
system
a
Model
270
system
unit
with
processor
feature
22A2,
22A4,
22A5,
2301,
2302,
23E7,
23F0,
23F1,
2422,
or
2452,
or
a
Model
800
or
810
system
unit
with
processor
feature
except
7428,
7429,
or
7430?
v
No
:
Continue
with
the
next
step.
v
Yes
:
See
and
use
Table
1.
to
find
the
appropriate
table
by
processor
feature
code,
or
Replace
the
following
FRUs
in
order
one
at
a
time
until
the
problem
is
resolved.
Be
sure
to
IPL
in
SLOW
OVERRIDE
mode
after
each
replacement.
a.
Power
regulator
in
location
R01
b.
System
unit
backplane
in
location
MB1
This
ends
the
procedure.
3.
This
is
a
Model
270
system
unit
with
processor
feature
22A7,
22A8,
22AA,
22AB,
23F4,
23F5,
2423,
2424,
or
2454,
or
a
Model
810
system
unit
with
processor
feature
7428,
7429,
or
7430.
See
and
use
Table
1.
to
find
the
appropriate
table
by
processor
feature
code,
or
Replace
the
following
FRUs
in
order
one
at
a
time
until
the
problem
is
resolved.
Be
sure
to
IPL
in
SLOW
OVERRIDE
mode
after
each
replacement.
a.
Processor
card
in
location
M02
320
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation
