–
Search
the
Product
Activity
Log
(PAL)
for
the
SRC
that
sent
you
here,
and
select
Display
—>
Additional
information
.
The
DSA
is
word
7
of
the
SRC,
and
the
bus
number
is
the
4-leftmost
characters.
–
Get
the
SRC
from
either
the
control
panel
or
the
main
store
dump
display.
The
DSA
is
word
7
of
the
SRC
and
the
bus
number
is
the
4-leftmost
characters.
b.
Record
the
bus
number,
then
continue
with
the
next
step
of
this
procedure.
3.
Determine
if
the
I/O
processor
is
in
an
SPD
Migrated
Tower.
Examine
the
Bus
number
(BBBB)
in
the
Direct
Select
Address
(DSA)
of
the
SRC.
See
for
help
in
locating
the
DSA
and
the
bus
number.
Is
the
bus
number
in
the
SRC
greater
than
or
equal
to
0004
AND
less
than
or
equal
to
0017
(hexadecimal),
or
4
through
23
(decimal)?
v
Yes
:
Continue
with
the
next
step.
v
No
:
The
I/O
processor
is
in
a
system
unit
or
I/O
tower
other
than
an
SPD
Migrated
Tower.
Perform
If
Bus
PIP
IOP-02
directs
you
to
return
to
this
procedure,
then
return
to
the
procedure
which
sent
you
here.
This
ends
the
procedure.
4.
The
I/O
processor
is
in
an
SPD
migrated
tower.
You
will
need
to
perform
Bus-PIP5
for
SPD
migrated
towers.
Go
to
This
ends
the
procedure.
Instructions
for
Models
800,
810,
825,
870,
and
890
1.
If
you
do
not
have
a
frame
ID
from
either
the
Service
Action
Log
(SAL)
or
a
Direct
Select
Address
(DSA),
perform
the
following:
a.
Obtain
the
bus
number
by
performing
one
of
the
following:
v
Record
the
Direct
Select
Address
(DSA),
which
is
word
7
from
the
SAL
display.
The
bus
number
is
the
4
leftmost
characters.
v
Search
the
Product
Activity
Log
(PAL)
for
the
SRC
that
sent
you
here,
and
select
Display
—>
Additional
information
.
The
DSA
is
word
7
of
the
SRC,
and
the
bus
number
is
the
4
leftmost
characters.
v
Get
the
SRC
from
either
the
control
panel
or
the
main
store
dump
display.
The
DSA
is
word
7
of
the
SRC
and
the
bus
number
is
the
4
leftmost
characters.
b.
Record
the
bus
number,
then
continue
with
the
next
step
of
this
procedure.
2.
The
I/O
processor
is
in
a
system
unit
or
I/O
tower.
Perform
which
will
help
you
isolate
to
a
failing
I/O
adapter
resource.
If
Bus
PIP
IOP-02
directs
you
to
return
to
this
procedure,
then
return
to
the
procedure
which
sent
you
here.
This
ends
the
procedure.
procedure.
Bus-PIP6:
For
use
by
authorized
service
providers.
You
will
need
to
perform
Bus-PIP6
on
an
SPD
migrated
tower.
Go
to
for
more
information.
Bus-PIP7:
For
use
by
authorized
service
providers.
You
will
need
to
perform
Bus-PIP7
on
an
SPD
migrated
tower.
Go
to
for
more
information.
Bus-PIP8:
For
use
by
authorized
service
providers.
You
will
need
to
perform
Bus-PIP8
on
an
SPD
migrated
tower.
Go
to
for
more
information.
76
iSeries:
iSeries
Server
270,
800,
810,
820,
825,
830,
840,
870,
890,
SB2,
and
SB3
Hardware
Problem
Analysis
and
Isolation
