Lenovo ThinkSystem ST250 V2 Maintenance Manual page 198

About this task
To avoid potential danger, read and follow the following safety statements.
• 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.
Attention:
• Read the "Installation guidelines" on page 85 to ensure that you work safely.
• Turn off the server and peripheral devices, and disconnect the power cords and all external cables (see
"Power off the server" on page 13).
• If the server is in a rack, remove it from the rack.
• Remove any locking device that secures the server cover, such as a Kensington lock or a pad lock.
Watch the procedure
A video of this procedure is available at YouTube:
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Procedure
Step 1. Remove the server cover (see "Remove the server cover" on page 199).
Step 2. Disconnect the cable of the RAID flash power module from the RAID card.
Step 3. Remove the RAID flash power module and bracket assembly from the chassis.
Note: Your RAID flash power module might look slightly different from those shown in the
illustrations.
a. Press the tab on the RAID flash power module bracket.
b. Remove the RAID flash power module and bracket assembly from the chassis.
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https://youtube.com/playlist?list=PLYV5R7hVcs-
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