IBM 380Z manual FRU Service Procedures, Replacing the System Board, Number

They should not be reused.

Do the following when you service this machine:

Keep	the	screw	kit (P/N 12J0808) in your tool bag.
Always	use	new	screws.
Use	a torque		screwdriver if you have one.

FRU Service Procedures

Review the following procedures before replacing any FRUs.

Replacing the System Board

Restoring		the	System		Unit	Serial	Number
The system unit serial number is written on the label
attached			to	the		bottom cover of the computer and is also
stored		as	vital product				data	(VPD)	in	the EEPROM on the
system		board.
When	you		replace			the system board, you must set the
system		unit		serial		number on the new system board to its
original		number			as	follows:
1.	Press		and		F1holdand power on			the	computer.
2.	Hold downF1				until the		Easy-Setup menu			appears.

3.Click on Config.

4.PressCtrl + .N The System Unit Serial Number menu appears.

5.Follow the instructions on the menu.

Notes:

1.Do not power-off the computer during the restoring process.

Updating the Universally Unique IDentifier (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 unique number is designed to
provide	unique IDs	until	the	year	3400	A.D. Consequently,
no two	computers in	the	world	have	the	same number.

When you replace the system board, you must set the UUID on the new system board as follows:

1.	Press	and		F1holdand power on the computer.
2.	Hold	downF1		until	the Easy-Setup menu appears.
3.	Click	on	Config.
4.	PressCtrl		+	.G The	UUID menu appears.

5.PressF5 to generate a new UUIDEnterandtopress overwrite it to the EEPROM.

ThinkPad 380Z 43