IBM Thinkpad T30 Manual

FRU replacement notices
This section contains notices related to removing and
replacing parts. Read this section carefully before replacing
any FRU.
Screw notices
Loose screws can cause a reliability problem. In IBM
ThinkPad computer, this problem is addressed with special
nylon-coated screws that have the following characteristics:
vThey maintain tight connections.
vThey do not easily come loose, even with shock or
vibration.
vThey are harder to tighten.
vThey should be used only once.
Do the following...

vMake sure you use the correct screw. If you have a
torque screwdriver, tighten all screws firmly to the torque
shown in the table.Never use a screw that you
removed. Use a new one. Make sure the screws are
tightened firmly.
Retaining serial numbers
This section includes the following descriptions:
v“Restoring the serial number of the system unit”
v“Retaining the UUID”
Restoring the serial number of the system
unit
When the computer was manufactured, the EEPROM on
the system board was loaded with the...

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.
When you replace the system board, you must set the
UUID on the new system board as follows:
1. Install the ThinkPad Hardware Maintenance Diskette
Version 1.62, and restart the computer.
2. From the main menu, select4. Assign UUID.
A new UUID is created and written. If a valid UUID
already exists, it is not...

Removing and replacing a FRU
This section presents directions and drawings for use in
removing and replacing a FRU. Be sure to observe the
following general rules:
1. Do not try to service any computer unless you have
been trained and certified. An untrained person runs
the risk of damaging parts.
2. Before replacing any FRU, review“FRU replacement
notices”on page 57.
3. Begin by removing any FRUs that have to be removed
before the failing FRU. Any such FRUs are listed at the
top of the page. Remove them...

1010 Battery pack
DANGER
1
2
The use only the battery in the parts listing for your
computer. Use of an incorrect battery can result in
ignition or explosion of the battery.
Removing and replacing a FRU
ThinkPad T3061 

1020 Ultrabay Plus device
NoteAny of Ultrabay Plus devices can be installed into
the Ultrabay Plus of the computer. The procedure
for installing and removing is the same for every
Ultrabay Plus device. For devices supported, see
“Optional FRUs”on page 159.
Note:When you release the switch in step
1, the lever
pops out. Pull the lever a little in step
2to release
the device from the bay.
12
3
Removing and replacing a FRU
62ThinkPad T30 (MT 2366, 2367) 

1030 Hard-disk drive
Attention
vDo not drop or apply any shock to the
hard-disk drive.The hard-disk drive is sensitive
to physical shock. Improper handling can cause
damage and permanent loss of data.
vBefore removing the drive, have the user make a
backup copy of all the information on the drive if
possible.
vNever remove the drive while the system is
operating or is in suspend mode.
For access, remove this FRU:
v“1010 Battery pack”on page 61
1
Note:The hard disk is attached to the cover.
Step Screw...

2
3
4
3
When installing:Make sure that the hard-disk connector
is firmly attached.
Removing and replacing a FRU
64ThinkPad T30 (MT 2366, 2367) 

1040 Shock absorber
For access, remove this FRU:
v“1010 Battery pack”on page 61
1. Insert the tip of the tool vertically between the shock
absorber and the base cover, as indicated by arrow

a.
2. Slightly push the tool into the gap, as shown in
1.
3. Gently pry the shock absorber loose from the dent as
shown in
2and
3.
2
a
13
(continued)
Removing and replacing a FRU
ThinkPad T3065 

When installing:Attach the new shock absorber, aligning
the two claws on the bottom side of the
shock absorber with the small bumps on
the surface of the base cover. Insert one
claw into the dent first
1, and then
push the other side
2until it snaps.
Make sure that the shock absorber is
firmly fixed in the base cover and does
not move easily.
1
2
Removing and replacing a FRU
66ThinkPad T30 (MT 2366, 2367)