Chapter 10. additional service information, Security features, Hardware controlled passwords – Lenovo THINKCENTRE 6396 User Manual
Page 157: Operating system password, Vital product data, Bios levels, Chapter, Additional, Service, Information
Chapter
10.
Additional
Service
Information
This
chapter
provides
additional
information
that
the
service
representative
might
find
helpful.
Security
features
Security
features
in
this
section
include
the
following:
v
Passwords
v
Vital
Product
Data
v
Management
Information
Format
(MIF)
Hardware
controlled
Passwords
Hardware
controlled
passwords
are
set
using
the
Setup
Utility
program.
For
more
information
about
passwords,
see
Operating
system
password
An
operating
system
password
is
very
similar
to
a
power-on
password
and
denies
access
to
the
computer
by
an
unauthorized
user
when
the
password
is
activated.
The
computer
is
unusable
until
the
password
is
entered
and
recognized
by
the
computer.
Vital
product
data
Each
computer
has
a
unique
Vital
Product
Data
(VPD)
code
stored
in
the
nonvolatile
memory
on
the
system
board.
After
you
replace
the
system
board,
the
VPD
must
be
updated.
To
update
the
VPD,
see
BIOS
levels
An
incorrect
level
of
BIOS
can
cause
false
errors
and
unnecessary
FRU
replacement.
Use
the
following
information
to
determine
the
current
level
of
BIOS
installed
in
the
computer,
the
latest
BIOS
available
for
the
computer,
and
where
to
obtain
the
latest
level
of
BIOS.
v
To
determine
the
current
Level
of
BIOS:
–
Start
the
Setup
Utility.
–
Select
System
Information
on
the
Main
setup
screen.
v
Sources
for
obtaining
the
latest
level
BIOS
available
1.
Lenovo
support
web
site:
http://www.lenovo.com/support/
2.
Lenovo
Customer
Support
Center
3.
Levels
1
and
2
Support
To
update
(flash)
the
BIOS,
see
©
Lenovo
2005,
2008.
Portions
©
IBM
Corp.
2005.
151