A common fault of IBM T21 laptop , power on , the panel lamp lights and off immediately , or automatic shutdown after working for an hour , and can not restart . usually relevant relationship with ADP3421, it is a power IC for CPU , replaced it , back to normal work . At the same time suggestions to replace ADP3410 together . Your loyal friend - Pinkney , http://www.htic-tool.com
from https://plus.google.com/b/107329939332162905445/+Htictoolchipset/posts
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