Table 29. Location of major sensitive components on the system board in ThinkPad L420, L421, and L520 models
(continued)
For ThinkPad L420 and L421 models with a discrete thermal module (bottom side view):
b c
d
For ThinkPad L520 models with a discrete thermal module (top side view):
a
For ThinkPad L520 models with a discrete thermal module (bottom side view):
b
d
c
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