System-board
layouts
The
following
illustrations
show
the
connectors,
LEDs,
and
jumpers
on
the
memory
card,
microprocessor
board,
PCI-X
board,
SAS
backplane,
and
I/O
board.
The
illustrations
in
this
document
might
differ
slightly
from
your
hardware.
I/O
board
internal
connectors
and
jumpers
The
following
illustration
shows
the
internal
connectors
and
jumpers
on
the
I/O
board.
describes
the
function
of
each
three-pin
jumper
block.
Table
2.
I/O
board
jumper
blocks
Jumper
name
Description
Force
power
on
(J2)
The
default
position
is
pins
1
and
2.
Change
the
position
of
this
jumper
to
pins
2
and
3
to
force
the
server
to
startup
when
you
connect
the
server
to
ac
power.
Power-on
password
(J9)
The
default
position
is
pins
1
and
2.
Change
the
position
of
this
jumper
to
pins
2
and
3
to
bypass
the
power-on
password
check.
Changing
the
position
of
this
jumper
does
not
affect
the
administrator
password
check
if
an
administrator
password
is
set.
If
the
administrator
password
is
lost,
the
operator
information
panel
must
be
replaced.
Boot
recovery
(J14)
The
default
position
is
pins
1
and
2
(use
the
primary
page
during
startup).
Move
the
jumper
to
pins
2
and
3
to
use
the
secondary
page
during
startup.
Wake
on
LAN
®
bypass
(J15)
The
default
position
is
pins
1
and
2.
Move
the
jumper
to
pins
2
and
3
to
prevent
a
Wake
on
LAN
packet
from
waking
the
system
when
the
system
is
in
the
powered-off
state.
8
IBM
xSeries
366
Type
8863:
Problem
Determination
and
Service
Guide
Summary of Contents for xSeries 366
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