Console
Strategy
The
firmware
starts
a
console-selection
sequence
at
system
boot
time
if
any
of
the
following
is
true:
v
A
console
has
not
yet
been
selected.
v
A
previous
console-selection
sequence
timed-out.
v
A
change
in
the
system
configuration
has
affected
the
console
(keyboard
installed/removed,
mouse
installed/removed,
graphics
adapter
installed/removed
or
moved
to
another
PCI
slot).
The
console-selection
sequence
allows
you
to
select
(from
the
appropriate
input
device)
any
one
of
the
available
console
devices.
If
no
console
is
selected
within
approximately
60
seconds,
serial
port
1
(S1)
is
selected
as
the
console
and
the
selection
sequence
times-out.
Attention:
If
an
ASCII
terminal
is
attached
to
serial
port
1
(S1),
and
there
is
any
interaction
with
this
terminal,
then:
v
After
OK
displays
in
the
operator
panel,
AND
v
Before
the
power-on
sequence
is
initiated,
the
firmware
will
use
this
terminal
as
the
console,
regardless
of
the
previous
console
selection.
After
a
console
has
been
selected,
the
console-selection
sequence
is
only
started
at
boot
time
if
there
is
a
change
in
the
system
configuration
(as
previously
described),
or
the
contents
of
the
system’s
nonvolatile
memory
(NVRAM)
are
lost.
Note:
Moving
an
ASCII
terminal
from
one
serial
port
to
another
(from
S1
to
S2)
cannot
be
detected
by
the
firmware,
so
it
does
not
constitute
a
configuration
change.
You
can
also
initiate
a
system
console-selection
sequence
from
the
SMS
menus.
Power-On
Self-Test
After
power
is
turned
on
and
before
the
operating
system
is
loaded,
the
system
does
a
power-on
self-test
(POST).
This
test
performs
checks
to
ensure
that
the
hardware
is
functioning
correctly
before
the
operating
system
is
loaded.
During
the
POST,
a
POST
screen
displays,
and
POST
indicators
appear
on
the
system
console
(if
one
is
connected).
The
next
section
describes
the
POST
indicators
and
functions
that
can
be
accessed
during
the
POST.
POST
Indicators
POST
indicators
indicate
tests
that
are
being
performed
as
the
system
is
preparing
to
load
the
operating
system.
The
POST
indicators
are
words
that
display
on
the
system
console.
Each
time
that
the
system
starts
a
different
step
in
the
POST,
a
POST
indicator
word
appears
on
the
console.
Each
word
is
an
indicator
of
the
tests
that
are
being
performed.
The
POST
screen
displays
the
following
words:
Memory
Memory
test
Keyboard
Initialize
the
keyboard
and
mouse.
The
window
for
pressing
a
key
to
access
the
System
Management
Services,
or
to
initiate
a
service
mode
boot
list,
is
now
open.
See
“POST
Keys”
on
page
7
for
more
information.
Network
Self-test
on
network
adapters
SCSI
Adapters
are
being
initialized
Speaker
Sounds
an
audible
tone
at
the
end
of
POST
6
Service
Guide
Summary of Contents for RS/6000 Enterprise Server M80
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