IBM 8872 Service Guide - Page 24

Internal, connectors, jumpers, board, internal, connectors

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Internal LEDs, connectors, and jumpers The following illustrations show the connectors, LEDs, and jumpers on the internal boards. The illustrations 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. Default jumper position 123 Force power on SAS 2 SAS 1 Remote Supervisor Adapter II SlimLine Media backplane Light path diagnostic Power-on password Boot recovery Wake on LAN bypass Front USB Battery System serial (COM 1) SP serial (COM 2) 123 123 123 Default jumper position The following table 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 start up 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. Boot recovery (J14) Wake on LAN® bypass (J15) 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. 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. 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 460 Type 8872 and xSeries MXE 460 Type 8874: Problem Determination and Service Guide

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Internal
LEDs,
connectors,
and
jumpers
The
following
illustrations
show
the
connectors,
LEDs,
and
jumpers
on
the
internal
boards.
The
illustrations
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.
Light path diagnostic
Front USB
Battery
Power-on password
Boot recovery
Wake on LAN
bypass
Media backplane
Remote Supervisor Adapter II SlimLine
SAS 1
SAS 2
SP serial (COM 2)
System serial (COM 1)
123
123
123
Default jumper
position
Default jumper
position
123
Force power on
The
following
table
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
start
up
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
460
Type
8872
and
xSeries
MXE
460
Type
8874:
Problem
Determination
and
Service
Guide