IBM 7378, Руководство по диагностике и обслуживанию

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Removing a microprocessor and heat sink
To remove a microprocessor, complete the following steps:
1. Read the safety information that begins on page vii and “Handling
static-sensitive devices” on page 151.
2. Turn off the server and peripheral devices, and disconnect the power cords
and all external cables.
3. Carefully turn the server on its side so that it is lying flat, with the cover facing
up.
Attention: Do not allow the server to fall over.
4. Unlock and remove the left-side cover (see “Removing the left-side cover” on
page 181).
5. Remove the power supply or power supplies from the power-supply cage (see
“Removing a hot-swap power supply” on page 273).
6. Rotate the power-supply cage to its open position (see “Opening the
power-supply cage” on page 154).
7. Remove the air baffle (see “Removing the air baffle” on page 212).
8. Remove the microprocessor heat sink:
a. Lift the heat-sink release lever to the fully open position.
b. Rotate the back of the heat sink out of the retention bracket and remove
the heat sink from the server.
Attention: Do not touch the thermal grease on the bottom of the heat
sink. Touching the thermal grease will contaminate it. If the thermal grease
on the microprocessor or heat sink becomes contaminated, you must
replace it. See “Thermal grease” on page 291 for more information.
9. Lift the microprocessor-release latch to the fully open position (approximately
135° angle); then, lift the bracket frame and remove the microprocessor from
the socket.
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IBM System x3400 M3 Types 7378 and 7379: Problem Determination and Service Guide