IBM 88728AU - System x3950 - 8872 Datacenter High Availability, Installation Manual

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Installing an additional microprocessor
The following notes describe information that you must consider when installing a
microprocessor:
v
The voltage regulators for microprocessors 1 and 2 are integrated on the
microprocessor board; the VRMs for microprocessors 3 and 4 come with the
microprocessor options and must be installed on the microprocessor board.
v
Each microprocessor socket must be populated with either a microprocessor
baffle or a heat sink and microprocessor to ensure the server operates properly.
v Install the microprocessors in the order shown in the following illustration.
1 2 3 4
To install an additional microprocessor, complete the following steps:
1. Read the safety information that begins on page v and “Installation guidelines”
on page 7.
2. Turn off the server and peripheral devices, and disconnect the power cords
and any USB cable that might be connected to the USB port on the front of
the server. Remove the server cover and bezel.
Attention: When you handle static-sensitive devices, take precautions to
avoid damage from static electricity. For details about handling these devices,
see “Handling static-sensitive devices” on page 8.
Chapter 2. Installing options
15