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IBM
R51 Series
User Manual
IBM R51 Series User Manual
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Contents
About
this
manual
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. 1
Introduction
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. 3
Important
service
information
.
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. 3
Strategy
for
replacing
FRUs
.
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. 3
How
to
use
error
messages
.
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. 4
Diskette
compatibility
matrix
.
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. 4
Safety
notices:
multilingual
translations
.
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. 4
Safety
information
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. 16
General
safety
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. 16
Electrical
safety
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. 17
Safety
inspection
guide
.
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. 19
Handling
devices
that
are
sensitive
to
electrostatic
discharge
.
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. 20
Grounding
requirements
.
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. 21
Laser
compliance
statement
.
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. 22
General
descriptions
.
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. 25
Read
this
first
.
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. 25
What
to
do
first
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. 25
Related
service
information
.
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. 27
Service
web
site
.
.
.
.
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.
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.
.
. 27
Restoring
the
pre-installed
system
.
.
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.
. 27
Passwords
.
.
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. 28
Power
management
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. 32
Checkout
guide
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.
. 34
Testing
the
computer
.
.
.
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.
. 34
Detecting
system
information
with
PC-Doctor
.
.
. 37
Power
system
checkout
.
.
.
.
.
.
.
.
. 37
ThinkPad
R50/R50p
and
R51
Series
.
.
.
.
.
. 41
Product
overview
.
.
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.
.
. 43
Specifications
.
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. 43
Status
indicators
.
.
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. 48
FRU
tests
.
.
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.
. 50
Fn
key
combinations
.
.
.
.
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.
.
.
. 52
Symptom-to-FRU
index
.
.
.
.
.
.
.
.
.
. 54
Numeric
error
codes
.
.
.
.
.
.
.
.
.
. 54
Error
messages
.
.
.
.
.
.
.
.
.
.
. 59
Beep
symptoms
.
.
.
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.
.
.
.
.
.
. 60
No-beep
symptoms
.
.
.
.
.
.
.
.
.
. 60
LCD-related
symptoms
.
.
.
.
.
.
.
.
. 61
Intermittent
problems
.
.
.
.
.
.
.
.
.
. 62
Undetermined
problems
.
.
.
.
.
.
.
.
. 62
FRU
replacement
notices
.
.
.
.
.
.
.
.
. 63
Screw
notices
.
.
.
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.
.
.
.
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.
.
. 63
Retaining
serial
numbers
.
.
.
.
.
.
.
.
. 64
Removing
and
replacing
a
FRU
.
.
.
.
.
.
.
. 67
1010
Battery
pack
.
.
.
.
.
.
.
.
.
.
. 68
1020
Ultrabay
Enhanced
device
.
.
.
.
.
. 69
©
Copyright
IBM
Corp.
2004
iii
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