Lenovo 4187RVU Lenovo IdeaPad S9e, S10e and S10 Hardware Maintenance Manual - Page 60

Retaining, serial, numbers

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Retaining serial numbers This section includes the following descriptions: v "Restoring the Product Name and the P/N (part number) of the system unit" v "Retaining the UUID" Restoring the Product Name and the P/N (part number) of the system unit When the computer was manufactured, the EEPROM on the system board was loaded with the Product Name and the P/N (part number) of the system unit. These numbers need to remain the same throughout the life of the computer. If you replace the system board, you must restore the Product Name and the P/N of the system unit to their original values. Table 11. the Product Name and the P/N BIOS menu text Meaning Product Name Four digits for the machine type and three digits of the model P/N The seven-digit serial number of the system unit Before replacing the system board, find the original Product Name and P/N by doing the following: 1. Boot the computer with DOS. 2. To see the Product Name, run the maintenance utility, FL1RW.EXE as follows: > FL1RW.EXE /r MM 3. To see the P/N, run the maintenance utility, FL1RW.EXE as follows: > FL1RW.EXE /r SN 4. Write down the result of each of these procedures. Note: The Product Name and the P/N of the system unit are also written on the label attached to the bottom of the computer. After you have replaced the system board, restore the Product Name and the P/N by doing the following: 1. Boot the computer with DOS. 2. To restore the product name, run the maintenance utility, FL1RW.EXE with the '/w MM' option as the following example. If the product name is ″4068xxx,″ type the following command: > FL1RW.EXE /w MM ″4068xxx″ 3. To restore the P/N, run the maintenance utility, FL1RW.EXE with the '/w SN' option as the following example. If the P/N is ″LxxNNNN,″ type the following command: > FL1RW.EXE /w SN ″LxxNNNN″ Retaining the UUID The Universally Unique Identifier (UUID) is a 128-bit number uniquely assigned to your computer at production and stored in the EEPROM of your system board. The algorithm that generates the number is designed to provide unique IDs until the year A.D. 3400. No two computers in the world have the same number. 52 IdeaPad S9e, S10e, and S10 Hardware Maintenance Manual

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Retaining
serial
numbers
This
section
includes
the
following
descriptions:
v
“Restoring
the
Product
Name
and
the
P/N
(part
number)
of
the
system
unit”
v
“Retaining
the
UUID”
Restoring
the
Product
Name
and
the
P/N
(part
number)
of
the
system
unit
When
the
computer
was
manufactured,
the
EEPROM
on
the
system
board
was
loaded
with
the
Product
Name
and
the
P/N
(part
number)
of
the
system
unit.
These
numbers
need
to
remain
the
same
throughout
the
life
of
the
computer.
If
you
replace
the
system
board,
you
must
restore
the
Product
Name
and
the
P/N
of
the
system
unit
to
their
original
values.
Table
11.
the
Product
Name
and
the
P/N
BIOS
menu
text
Meaning
Product
Name
Four
digits
for
the
machine
type
and
three
digits
of
the
model
P/N
The
seven-digit
serial
number
of
the
system
unit
Before
replacing
the
system
board,
find
the
original
Product
Name
and
P/N
by
doing
the
following:
1.
Boot
the
computer
with
DOS.
2.
To
see
the
Product
Name,
run
the
maintenance
utility,
FL1RW.EXE
as
follows:
>
FL1RW.EXE
/r
MM
3.
To
see
the
P/N,
run
the
maintenance
utility,
FL1RW.EXE
as
follows:
>
FL1RW.EXE
/r
SN
4.
Write
down
the
result
of
each
of
these
procedures.
Note:
The
Product
Name
and
the
P/N
of
the
system
unit
are
also
written
on
the
label
attached
to
the
bottom
of
the
computer.
After
you
have
replaced
the
system
board,
restore
the
Product
Name
and
the
P/N
by
doing
the
following:
1.
Boot
the
computer
with
DOS.
2.
To
restore
the
product
name,
run
the
maintenance
utility,
FL1RW.EXE
with
the
‘/w
MM’
option
as
the
following
example.
If
the
product
name
is
″
4068xxx,
″
type
the
following
command:
>
FL1RW.EXE
/w
MM
″
4068xxx
″
3.
To
restore
the
P/N,
run
the
maintenance
utility,
FL1RW.EXE
with
the
‘/w
SN’
option
as
the
following
example.
If
the
P/N
is
″
LxxNNNN,
″
type
the
following
command:
>
FL1RW.EXE
/w
SN
″
LxxNNNN
″
Retaining
the
UUID
The
Universally
Unique
Identifier
(UUID)
is
a
128-bit
number
uniquely
assigned
to
your
computer
at
production
and
stored
in
the
EEPROM
of
your
system
board.
The
algorithm
that
generates
the
number
is
designed
to
provide
unique
IDs
until
the
year
A.D.
3400.
No
two
computers
in
the
world
have
the
same
number.
52
IdeaPad
S9e,
S10e,
and
S10
Hardware
Maintenance
Manual