Dell Precision 330 - Manual (Page 106)

106 Installing Upgrades
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Your microprocessor uses a zero insertion force (ZIF) socket with a
lever-type handle that secures or releases the microprocessor.
To remove the microprocessor, pull the socket lever straight up until
the microprocessor is released. Then remove the microprocessor from
the socket (see the following figure).
Re m o v i n g t h e M i c r o p r o c e s s o r
7 Install the new microprocessor in the socket:
a Ensure that the lever on the microprocessor socket is fully
extended to the release position.
NOTICE: When you place the microprocessor in the socket, ensure that the
microprocessor aligns properly with the socket. You must position the
microprocessor correctly in the socket to avoid damage.
b Align pin 1 of the new microprocessor with pin 1 of the socket.
microprocessor
microprocessor
socket
socket lever