IBM 88772ru User Guide - Page 28

board, jumpers

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I/O board jumpers The following illustration shows the jumpers on the I/O board. Power-on password (J65) Boot recovery (BIOS) (J64) Wake on LAN (J63) Table 2 describes the function of each three-pin jumper block. Table 2. I/O board jumper blocks Jumper name Description Power-on password (J65) 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 you forget the administrator password, you must replace the I/O board. Boot recovery (BIOS) (J64) Wake on LAN (J63) For more information about passwords, see "Passwords" on page 49. 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 x3755 Type 8877: User's Guide

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I/O
board
jumpers
The
following
illustration
shows
the
jumpers
on
the
I/O
board.
Wake on LAN (J63)
Power-on password (J65)
Boot recovery (BIOS) (J64)
Table
2
describes
the
function
of
each
three-pin
jumper
block.
Table
2.
I/O
board
jumper
blocks
Jumper
name
Description
Power-on
password
(J65)
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
you
forget
the
administrator
password,
you
must
replace
the
I/O
board.
For
more
information
about
passwords,
see
“Passwords”
on
page
49.
Boot
recovery
(BIOS)
(J64)
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
(J63)
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
x3755
Type
8877:
User’s
Guide