Introduction; Important Service Information; Strategy For Replacing Frus - IBM ThinkPad R40 Hardware Maintenance Manual

Introduction

Important service information

Im p o rta n t
BIOS and device driver fixes are
custom er-installable. The BIOS and device drivers
are posted on the IBM support site
http://www.ibm.com/pc/support
Advise custom ers to contact the PC Company
HelpCenter at 800-772-2227 if they need assistance
in obtaining or installing any diskette fixes.
Customers in Canada should call IBM HelpPC at
800-565-3344 for assistance or download
information.

Strategy for replacing FRUs

B e fo re re p la c in g p a rts
M ake sure that all diskette fixes are installed before
replacing any FRUs listed in this manual.
Use the following strategy to prevent unnecessary expense
for replacing and servicing FRUs:
• If y o u are in s tru c te d to re p la ce a FRU b u t th e
re p la c e m e n t d o e s n o t c o rre c t th e p ro b le m , re in s ta ll
th e o rig in a l FRU b e fo re y o u c o n tin u e .
• Some com puters have both a processor board and a
system board. If you are instructed to replace either the
processor board or the system board, and replacing one
of them does not correct the problem, reinstall that
board, and then replace the other one.
• If an adapter or device consists of more than one FRU,
any of the FRUs may be the cause of the error. Before
replacing the adapter or device, remove the FRUs, one
by one, to see if the sym ptom s change. Replace only
the FRU that changed the symptoms.
A tte n tio n :
are servicing may have been customized. Running
Autom atic Configuration may alter the settings. Note the
current configuration settings (using the View Configuration
option); then, when service has been completed, verify that
those settings remain in effect.
© Copyright IBM Corp. 2004
The setup configuration on the com puter you
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