HP Integrity rx2620 User's & Service Manual page 56

Figure 47 CPU Slot Alignment Holes
Figure 48 Installing the Processor Module
CAUTION: Do not press the processor module into the socket. When properly
aligned, the processor pins seat into the ZIF socket. No additional pressure is
required.
6. Use the special processor tool shipped with the replacement processor module
to lock the processor module in place on the system board. To do this, insert the
special processor tool through the turbo fan blades into the ZIF socket. Rotate
the tool clockwise 180 degrees. See Figure 49.
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