D20
I/O
Subsystem
Locations
The
system
uses
physical
location
codes
to
provide
mapping
of
the
failing
field
replaceable
units.
The
location
codes
are
produced
by
the
processor
subsystem’s
firmware
and
AIX.
For
information
about
how
to
read
a
location
code,
see
the
service
guide
for
the
processor
subsystem
to
which
your
I/O
subsystem
is
connected.
Model
D20
Front
View
1
Serial
Number
3
Model
D20
Front
Bezel
2
Operator
Panel
4
Disk
Drives
(maximum
quantity
12
)
Model
D20
Rear
View
1
PCI-X
Expansion
Slot
1
9
Primary
Power
Supply
2
PCI-X
Expansion
Slot
2
10
Model
D20
I/O
Drawer
3
PCI-X
Expansion
Slot
3
11
Connector
J11
(Not
Used)
4
PCI-X
Expansion
Slot
4
12
Connector
J14
(Not
Used)
5
PCI-X
Expansion
Slot
5
13
Rear
Serial
Number
Label
6
PCI-X
Expansion
Slot
6
14
Connector
J15
(SPCN
3)
7
PCI-X
Expansion
Slot
7
15
Connector
J16
(SPCN
4)
8
Redundant
Power
Supply
Receptacle
16
RIO
Connectors
Upper
Connector
=
1
Lower
Connector
=
0
Chapter
1.
Reference
Information
19
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