Lenovo ThinkSystem SR665 V3 User Manual page 266

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.
Procedure
Step 1. Make preparation for this task.
a. Record all system configuration information, such as Lenovo XClarity Controller IP addresses,
vital product data, and the machine type, model number, serial number, Universally Unique
Identifier, and asset tag of the server.
b. Save the system configuration to an external device with Lenovo XClarity Essentials.
c. Save the system event log to external media.
d. Power off the server and peripheral devices and disconnect the power cords and all external
cables. See
e. If the server is installed in a rack, slide the server out on its rack slide rails to gain access to the
top cover, or remove the server from the rack. See
f. Remove the top cover. See
g. If your server comes with an air baffle, a middle cage, or a rear cage, remove it first.
• "Remove the air baffle" on page 70
• "Remove the middle drive cage and drive backplanes" on page 162
• "Rear drive backplane and drive cage replacement" on page 213
h. If your server has a CFF adapter or a RAID flash power module installed on the front of the
chassis, remove it first.
• "Remove an internal RAID/HBA/expander adapter" on page 135
• "Remove a RAID flash power module from the chassis" on page 190
ThinkSystem SR665 V3 User Guide
256
"Power off the server" on page
"Remove the top cover" on page
62.
"Remove the server from rack" on page
277.
63.