Step
1540-11
You
were
directed
here
because
the
defect
seems
to
be
related
to
the
I/O
system.
Select
fast
boot
mode
(select
enable
fast
boot)
on
the
system
power
control
menu
from
the
service
processor
main
menu.
Look
at
the
rear
of
the
CEC
drawer
and
locate
the
RIO
cable
connected
to
port
1.
Refer
to
“CEC
Drawer
Rear
View”
on
page
11
for
location
of
RIO
connectors.
Follow
the
RIO
cable
back
to
the
secondary
I/O
drawer.
Is
the
secondary
I/O
drawer
attached
to
the
CEC
drawer
?
NO
Did
you
perform
“Step
1540-4”
on
page
116?
NO
Go
to
“Step
1540-37”
on
page
136.
YES
Go
to
“Step
1540-15”
on
page
124.
YES
Did
you
perform
“Step
1540-4”
on
page
116?
NO
Go
to
“Step
1540-12.”
YES
Go
to
“Step
1540-13”
on
page
122.
Step
1540-12
The
secondary
I/O
Drawer
is
attached
to
the
CEC
drawer.
Isolate
a
faulty
RIO
cable
by
performing
the
following
steps:
Note:
Before
continuing,
check
the
cabling
from
the
CEC
drawer
to
I/O
Drawer(s)
to
ensure
that
the
system
is
cabled
correctly.
Refer
to
“Cabling
the
CEC
Drawer,
Primary
I/O
Drawer,
and
Secondary
I/O
Drawer”
on
page
48
for
valid
configurations.
Record
the
current
cabling
configuration
and
then
continue
with
the
following
steps.
1.
Turn
the
system
power
off.
2.
At
the
CEC
drawer,
disconnect
the
cable
connection
at
RIO
port
0.
3.
At
the
primary
I/O
drawer,
disconnect
the
cable
connection
at
RIO
port
0.
The
RIO
cable
that
was
connected
to
RIO
port
0
should
now
be
loose
and
can
be
removed.
4.
At
the
CEC
drawer,
disconnect
the
cable
connection
at
RIO
port
1
and
reconnect
to
RIO
port
0.
5.
Follow
the
RIO
cable
you
have
connected
to
RIO
port
0
of
the
CEC
drawer
back
to
the
secondary
I/O
drawer,
disconnect
the
I/O
drawer
end
(RIO
port
1,
note
location)
of
the
RIO
cable
and
reconnect
it
to
the
primary
I/O
drawer
RIO
port
0.
6.
Verify
that
primary
I/O
drawer
RIO
port
0
is
connected
to
the
CEC
drawer
RIO
port
0.
7.
Turn
on
the
power
to
boot
standalone
diagnostics
from
CD.
8.
If
the
Please
Define
System
Console
screen
is
displayed,
follow
directions
to
select
the
system
console.
Chapter
3.
Maintenance
Analysis
Procedures
121
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