Lenovo RD210 User Manual
Page 47
Jumper
name
Jumper
setting
1
UEFI
boot
recovery
jumper
(J29)
v
Pins
1
and
2:
Normal
(default)
Loads
the
primary
UEFI
(formerly
called
BIOS)
firmware
ROM
page.
v
Pins
2
and
3:
Loads
the
secondary
(backup)
UEFI
firmware
ROM
page.
2
IMM
recovery
jumper
(J147)
v
Pins
1
and
2:
Normal
(default)
Loads
the
primary
IMM
firmware
ROM
page.
v
Pins
2
and
3:
Loads
the
secondary
(backup)
IMM
firmware
ROM
page.
3
SW4
switch
block
(reserved)
4
SW3
switch
block
Notes:
1.
If
no
jumper
is
present,
the
server
will
respond
as
if
the
pins
are
set
to
1
and
2.
2.
Changing
the
position
of
the
UEFI
boot
recovery
jumper
from
pins
1
and
2
to
pins
2
and
3
before
the
server
is
turned
on
will
alter
which
flash
ROM
page
is
loaded.
Do
not
change
the
jumper
pin
position
after
the
server
is
turned
on.
This
can
cause
an
unpredictable
problem.
The
following
table
describes
the
functions
of
the
SW3
switch
block.
Table
3.
SW3
switch
block
definition
Switch
number
Default
position
Description
1
Off
Clear
CMOS.
When
this
switch
is
toggled
to
On,
it
clears
the
CMOS
data,
which
clears
the
power-on
password.
2
Off
Reserved.
3
Off
Reserved.
4
Off
Reserved.
5
Off
Power-on
password
override.
Changing
the
position
of
this
switch
bypasses
the
power-on
password
check
the
next
time
the
server
is
turned
on
and
starts
the
UEFI
Setup
Utility
program
so
that
you
can
change
or
delete
the
power-on
password.
You
do
not
have
to
move
the
switch
back
to
the
default
position
after
the
power-on
password
in
overridden.
Changing
the
position
of
this
switch
does
not
affect
the
administrator
password
check
if
an
administrator
password
is
set.
See
for
additional
information
about
passwords.
Chapter
4.
Server
controls,
LEDs,
and
power
31