IBM x3800 User Guide - Page 28

board, internal, connectors, jumpers

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I/O board internal connectors and jumpers The following illustration shows the internal connectors and jumpers on the I/O board. SAS 1 SAS 2 Remote Supervisor Adapter II SlimLine Media devices Light path diagnostic Power-on password override Boot recovery Wake-on-LAN bypass Front USB Battery System serial (COM 1) SP serial (COM 2) 123 Default jumper 1 2 3 position 123 Table 2 describes the function of each three-pin jumper block. Table 2. I/O board jumper blocks Jumper name Description Power-on password override (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 I/O board must be replaced. Boot recovery (BIOS) (J14) Wake on LAN bypass (J15) For more information about passwords, see "Passwords" on page 59. 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. 16 IBM System x3800 Type 8865: User's Guide

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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
override
Boot recovery
Wake-on-LAN
bypass
Media devices
Remote Supervisor Adapter II SlimLine
SAS 1
SAS 2
SP serial (COM 2)
System serial (COM 1)
123
123
123
Default jumper
position
Table
2
describes
the
function
of
each
three-pin
jumper
block.
Table
2.
I/O
board
jumper
blocks
Jumper
name
Description
Power-on
password
override
(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
I/O
board
must
be
replaced.
For
more
information
about
passwords,
see
“Passwords”
on
page
59.
Boot
recovery
(BIOS)
(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.
16
IBM
System
x3800
Type
8865:
User’s
Guide