Lenovo ThinkStation D20 Hardware Maintenance Manual - Page 101

Notes, Important, microprocessor are aligned with the tabs in the microprocessor socket.

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Notes: a. Note the orientation of the notches 1 on the microprocessor. This is important when reinstalling 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. Chapter 10. Replacing FRUs (Type 4105, 4157, 4217) 93

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Notes:
a.
Note the orientation of the notches
1
on the microprocessor. This is important when reinstalling
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.
Chapter 10
.
Replacing FRUs (Type 4105, 4157, 4217)
93