Lenovo ThinkSystem SR635 V3 User Manual page 210

• While replacing the old LACM module with a new one, you do not need to apply for a handle as the new
LACM module contains it. However, you must apply for a handle first if you need to install or remove the
processor board, I/O board, and PIB board when the server has an LACM module installeok
• When disconnecting cables, make a list of each cable and record the connectors the cable is
connected to, and use the record as a cabling checklist after installing the new system board
assembly.
Attention:
• Read "Installation Guidelines" on page 45
work safely.
• Power off the server and peripheral devices and disconnect the power cords and all external cables. See
"Power off the server" on page
• Prevent exposure to static electricity, which might lead to system halt and loss of data, by keeping static-
sensitive components in their static-protective packages until installation, and handling these devices with
an electrostatic-discharge wrist strap or other grounding system.
CAUTION:
Hazardous moving parts. Keep fingers and other body parts away.
CAUTION:
The heat sinks and processors might be very hot. Turn off the server and wait several minutes to let
the server cool before removing the server cover.
S002
CAUTION:
The power-control button on the device and the power switch on the power supply do not turn off the
electrical current supplied to the device. The device also might have more than one power cord. To
remove all electrical current from the device, ensure that all power cords are disconnected from the
power source.
Watch the procedure
A video of this procedure is available at YouTube:
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Procedure
ThinkSystem SR635 V3 User Guide
200
and "Safety inspection checklist" on page 46
60.
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
.
to ensure that you