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• PHMs are keyed for the socket where they can be installed and for their orientation in the socket.
• See
https://static.lenovo.com/us/en/serverproven/index.shtml
server. All processors on the system board must have the same speed, number of cores, and frequency.
• Before you install a new PHM or replacement processor, update your system firmware to the latest level.
See "Update the firmware" on page 152.
• Installing an additional PHM can change the memory requirements for your system. See "Technical rules
for memory modules" in the ThinkSystem ST650 V2 Setup Guide for a list of processor-to-memory
relationships.
The following illustration shows the components of the PHM.
Figure 72. PHM components
Heat sink
1
Processor identification label
2
Heat sink triangular mark
3
Nut and wire bail retainer
4
Torx T30 nut
5
Anti-tilt wire bail
6
Processor carrier
7
Clips to secure carrier to heat sink
8
Watch the procedure. A video of the installation and removal process is available:
ThinkSystem ST650 V2 Setup Guide
116
for a list of processors supported for your
Clips to secure processor in carrier
9
Carrier triangular mark
10
Processor ejector handle
11
Processor heat spreader
12
Thermal grease
13
Processor contacts
14
Processor triangular mark
15
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