Installing A Microprocessor - IBM 7940 Problem Determination And Service Manual

5. Open the microprocessor-release lever to the fully-open position.
6. Open the microprocessor bracket frame.
7. Carefully remove the microprocessor.
8. If you are instructed to return the microprocessor, follow all packaging

Installing a microprocessor

Attention:
down the heat sink after the plastic cover is removed. Touching the thermal grease
will contaminate it.
To install a microprocessor, complete the following steps:
1. Read the safety information that begins on page vii and "Installation guidelines"
2. Align the microprocessor with the socket (note the alignment mark and the
3. Carefully close the release lever to secure the microprocessor in the socket.
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IBM System x3455 Type 7940 and 7941: Problem Determination and Service Guide
Microprocessor
instructions, and use any packaging materials for shipping that are supplied to
you.
Do not touch the thermal grease on the bottom of the heat sink or set
on page 29.
Microprocessor
position of the notches); then, carefully place the microprocessor on the socket
and close the microprocessor bracket frame.
Attention: Do not use excessive force when inserting the microprocessor into
the socket.
Note: The microprocessor fits only one way on the socket.
Alignment marks
Microprocessor
release lever
Microprocessor socket
Alignment marks
Microprocessor
release lever
Microprocessor socket