Symptom
Action
The
system
does
not
respond
to
the
password
being
entered
or
the
system
login
prompt
is
displayed
when
booting
in
service
mode.
1.
If
the
password
is
being
entered,
or
the
service
mode
boot
is
being
initiated,
on
a
keyboard
attached
to
the
system,
then
the
keyboard
or
its
controller
may
be
faulty.
In
this
case,
replace
these
parts
in
the
following
order:
a.
Keyboard
b.
Primary
I/O
backplane,
location:
U0.1-P1
2.
If
the
password
is
being
entered,
or
the
service
mode
boot
is
being
initiated,
from
an
ASCII
terminal,
first
insure
that
the
terminal
is
connected
to
S1
or
S2.
Use
the
problem
determination
procedures
for
the
ASCII
terminal.
If
the
problem
persists,
replace
the
primary
I/O
backplane,
location:
U0.1-P1.
No
codes
are
displayed
on
the
operator
panel
within
a
few
seconds
of
turning
on
the
system.
The
operator
panel
displays
OK
before
the
system
is
powered
on.
Reseat
the
operator
panel
cable.
If
problem
not
resolved,
replace
in
order:
1.
Operator
panel
assembly.
Swap
the
VPD
module.
2.
Primary
I/O
backplane.
(See
notes
on
75.)
The
SMS
configuration
list
or
boot
sequence
selection
menu
shows
more
SCSI
devices
attached
to
a
controller/adapter
than
are
actually
attached.
A
device
may
be
set
to
use
the
same
SCSI
bus
ID
as
the
control
adapter.
Note
the
ID
being
used
by
the
controller/adapter
(this
can
be
checked
and/or
changed
via
an
SMS
utility),
and
verify
that
no
device
attached
to
the
controller
is
set
to
use
that
ID.
If
settings
do
not
appear
to
be
in
conflict:
1.
Replace
the
SCSI
cable.
2.
Replace
the
device.
3.
Replace
the
SCSI
adapter
Note:
In
a
″
twin-tailed
″
configuration
where
there
is
more
than
one
initiator
device
(normally
another
system)
attached
to
the
SCSI
bus,
it
may
be
necessary
to
use
System
Management
Services
to
change
the
ID
of
the
SCSI
controller
or
adapter.
82
Service
Guide
Содержание 6H0
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Страница 468: ...Replacement Replace in reverse order 448 Service Guide ...
Страница 489: ...Chapter 10 Parts Information This chapter contains parts information for the system 469 ...
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Страница 561: ...Spine information RS 6000 Enterprise Server Model H80 Eserver pSeries 660 Models 6H0 and 6H1 Service Guide SA38 0566 03 ...