Siemens SIMATIC IPC227G Operating Instructions Manual page 46

Expanding and assigning parameters to the device
5.2 Installing the M.2 Module
Procedure - Installing the M.2 Module
If the M.2 Module has a cable with an additional interface-card connect to the housing opening, you
need to do the following procedures:
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Unscrew the marked screw.
Align the golden finger on the M.2 Module on your
motherboard, and then press firmly until the M.2 Module is
completely seated on the slot.
Secure the M.2 Module with the screw which is unscrewed in
the first step.
Note: Make sure the M.2 Module board is located between
head and spacer of assembly screw.
Unscrew the marked screws for fixing the COM interface.
Operating Instructions, 07/2022, A5E50059933-AC
SIMATIC IPC227G