Lenovo ThinkSystem HR650X - Removing and Reinstalling the Back Plane; Removing and Reinstalling the Supercap on the Cooling Shroud

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Removing the cooling shroud
To reinstall, reverse the steps above.
2.2.5 REMOVING AND REINSTALLING THE BACK PLANE
Do not proceed before reading and understanding the "Safety Precautions" section of this chapter and "Read Me First".
To remove a back plane, do the following:
1. Turn off all attached devices and the server.
2. Disconnect the AC power cord from the electrical outlet.
3. Remove the server cover (See "Removing and reinstalling the server cover").
4. Disconnect the power and SATA/ NVMe cables on the back plane
5. Grab the plunger on back plane, pulling out from the location pin and slide to right side. (Step 1)
6. Pull out and remove the whole back plane (Step 2)
To reinstall, reverse the steps above.
2.2.6 REMOVING AND REINSTALLING THE SUPERCAP ON THE COOLING SHROUD
Do not proceed before reading and understanding the "Safety Precautions" section of this chapter and "Read Me First".
To remove the supercap, do the following:
1. Turn off all attached devices and the server.
2. Disconnect the AC power cord from the electrical outlet.
3. Remove the server cover (See "Removing and reinstalling the server cover").
4. Disconnect the cable connecting to the RAID card.
5. Pull the latch of supercap holder (Step 1)
6. Lift up the supercap. (Step 2)
7. Take off the supercap (Step 3)