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IBM Thinkpad 570 And 570e Manual

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Page 51

Symptom-to-FRU index
3. Remove or disconnect all of the following devices:
 a. Non-IBM devices
b. Devices attached to the port replicator
c. Printer, mouse, and other external devices
 d. Battery pack
e. Hard disk drive
f. External diskette drive
 g. DIMM
h. CD-ROM and diskette drive in the UltraslimBay
 i. PC Cards
4. Power on the computer.
5. Determine whether the problem has changed.
6. If the problem does not recur, reconnect the removed
devices one at a time until you find the failing FRU.
7. If the...

Page 52

FRU replacement notices
FRU replacement notices
This section contains notices for removal and replacement.
Read this section carefully before replacing any FRU.
  Screw notices
Loose screws can cause a reliability problem. The an IBM
ThinkPad computer address this problem with special
nylon-coated screws that have the following characteristics:
They maintain tight connections.
They do not easily come loose, even with shock or
vibration.
They need additional force to tighten.
They should be used only...

Page 53

FRU replacement notices
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:
“Restoring the serial number of the system unit”
“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 serial
numbers of the system and all major components. The
numbers need to remain...

Page 54

FRU replacement notices
1. Install the ThinkPad Hardware Maintenance Diskette
Version 1.60, and restart the computer.
2. Select 4. Assign UUID from the main menu.
A new UUID is created and written. If a valid UUID
already exists, it is not overwritten.
50ThinkPad 570 and 570E Hardware Maintenance
Manual   

Page 55

Removing and replacing a FRU
Removing and replacing a FRU
This section presents information and drawings for use in
removing and replacing a FRU. Be sure to observe the
following general rules:
1. Do not try to service the 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 48.
3. Begin by removing any FRUs that have to be
removed before the failing FRU. Any such FRUs are
listed at...

Page 56

Removing and replacing a FRU
 Attention 
The system board is sensitive to, and can be
damaged by, electrostatic discharge. Establish
personal grounding by touching a ground point with
one hand before touching these units.
You must use electrostatic discharge (ESD) strap (P/N
6405959) to establish personal grounding.
52ThinkPad 570 and 570E Hardware Maintenance
Manual   

Page 57

Removing and replacing a FRU
  1010 Battery pack
    ThinkPad 570 and 570E53 

Page 58

Removing and replacing a FRU
  1020 Backup battery
Safety Notice 4: Translation on page 7
The backup battery is a lithium battery and can cause
a fire, an explosion, or severe burns. Do not recharge
it, remove its polarized connector, disassemble it, heat
it above 100°C (212°F), incinerate it, or expose its cell
contents to water. Dispose of the battery as required
by local ordinances or regulations. The use of an
incorrect battery can result in ignition or explosion of
the battery.
Battery pack (1010)...

Page 59

Removing and replacing a FRU
Cable route:  
    ThinkPad 570 and 570E55 

Page 60

Removing and replacing a FRU
  1030 DIMM
Battery pack (1010)
 Note 
The ThinkPad 570E computers DIMM slot faces in the
direction opposite that shown here. However, the
procedure for removing DIMM is the same.
StepScrew (quantity)Torque
1Not removable4 kgcm
56ThinkPad 570 and 570E Hardware Maintenance
Manual   
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