Lenovo 410554U Hardware Maintenance Manual page 97

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Notes:
a. Note the orientation of the notches
the microprocessor on the new system board.
b. Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be
kept as clean as possible.
6. Holding the microprocessor with your fingers, position the microprocessor so that the notches on the
microprocessor are aligned with the tabs in the microprocessor socket.
Important
To avoid damaging the microprocessor contacts, do not tilt the microprocessor when installing it into
the socket.
7. Lower the microprocessor straight down into the microprocessor socket of the system board.
8. Close the microprocessor retainer and clamp it with the small handle.
1
on the microprocessor. This is important when reinstalling
Chapter 10
.
Replacing FRUs (Type 4105, 4157, 4217)
91

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