Lenovo 5458 Installation And Service Manual page 38

v The server can be turned off by Wake on LAN feature with the following
v The Integrated Management Module II (IMM2) can turn off the server as an
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System x3250 M5 Type 5458: Installation and Service Guide
limitation:
Note: When you install any PCI adapter, the power cords must be disconnected
from the power source before you remove the PCI Express assembly. Otherwise,
the Wake on LAN feature might not work.
automatic response to a critical system failure.