Undefined
Terminal
Types
If
you
specify
an
undefined
terminal
type
from
the
DEFINE
TERMINAL
option
menu,
the
menu
prompts
the
user
to
enter
a
valid
terminal
type.
The
menu
redisplays
until
either
a
valid
type
is
entered
or
you
exit
the
DEFINE
TERMINAL
option.
Resetting
the
Terminal
If
you
enter
a
terminal
type
that
is
valid
(according
to
the
DEFINE
TERMINAL
option
menu)
but
is
not
the
correct
type
for
the
HMC
virtual
terminal
window
being
used,
you
may
be
unable
to
read
the
screen,
use
the
function
keys,
or
use
the
Enter
key.
Bypass
these
difficulties
by
pressing
Ctrl-C
to
reset
the
terminal.
The
screen
display
that
results
from
this
reset
depends
on
the
mode
in
which
the
system
is
being
run:
v
Online
Normal
or
Maintenance
Mode
-
The
command
prompt
displays.
v
Standalone
Mode
or
Online
Service
Mode
-
The
terminal
type
is
reset
to
dumb
,
the
Diagnostic
Operating
Instruction
panel
displays,
and
you
are
required
to
go
through
the
DEFINE
TERMINAL
process
again.
Running
Online
Diagnostics
Consider
the
following
when
you
run
the
online
diagnostics
from
a
server
or
a
disk:
v
The
diagnostics
cannot
be
loaded
and
run
from
a
disk
until
the
AIX
operating
system
has
been
installed
and
configured.
v
The
diagnostics
cannot
be
loaded
on
a
system
(client)
from
a
server
if
that
system
is
not
set
up
to
boot
from
a
server
over
a
network.
When
the
system
is
set
up
to
boot
from
a
server,
the
diagnostics
are
run
in
the
same
manner
as
they
are
from
disk.
v
On
full
system
partitions,
if
the
diagnostics
are
loaded
from
disk
or
a
server,
you
must
shut
down
the
AIX
operating
system
before
turning
off
the
system
unit
to
prevent
possible
damage
to
disk
data.
Do
this
in
either
of
the
following
ways:
–
If
the
diagnostics
were
loaded
in
standalone
mode,
press
the
F3
key
until
DIAGNOSTIC
OPERATING
INSTRUCTIONS
displays.
Then
press
the
F3
key
once
again
to
shut
down
the
AIX
operating
system.
–
If
the
diagnostics
were
loaded
in
maintenance
or
concurrent
mode,
type
the
shutdown
-F
command.
v
Under
some
conditions,
the
system
might
stop,
with
instructions
displayed
on
attached
displays
and
terminals.
Follow
the
instructions
to
select
a
console
display.
Online
Diagnostics
Modes
of
Operation
Note:
When
running
online
diagnostics
on
a
partition
in
a
partitioned
system,
diagnostics
can
be
run
only
on
resources
that
are
allocated
to
that
partition.
The
online
diagnostics
can
be
run
in
the
following
modes:
v
Service
Mode
(see
“Service
Mode”).
Refer
to
“Running
Online
Diagnostics
in
Service
Mode”
on
page
34
for
instructions
on
how
to
run
the
diagnostics
in
service
mode.
v
Concurrent
Mode
(see
“Concurrent
Mode”
on
page
33).
Refer
to
“Running
the
Online
Diagnostics
in
Concurrent
Mode”
on
page
34
for
instructions
on
how
to
run
the
diagnostics
in
service
mode.
v
Maintenance
Mode
(see
“Maintenance
Mode”
on
page
33).
Refer
to
“Running
the
Online
Diagnostics
in
Maintenance
Mode”
on
page
34
for
instructions
on
how
to
run
the
diagnostics
in
service
mode.
Service
Mode
Service
mode
provides
the
most
complete
checkout
of
the
system
resources.
This
mode
also
requires
that
no
other
programs
be
running
on
the
partition
or
system
on
a
full
system
partition.
All
partitions
or
system
on
a
full
system
partition
resources,
except
the
SCSI
adapter
and
the
disk
drives
used
for
paging,
can
be
tested.
However,
note
that
the
memory
and
processor
are
only
tested
during
POST,
and
the
results
of
the
POST
tests
are
reported
by
diagnostics.
32
Eserver
pSeries
655
Installation
Guide
Summary of Contents for pseries 655
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Page 125: ...1 Metal EMC Shield 2 Adapter Bracket Chapter 4 Installation and Removal Procedures 109...
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