Lenovo ThinkSystem HR330A - Riser Assembly Replacement

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2. Disconnect the ac power cord from the electrical outlet.
3. Remove the top cover. See "2.2.3 Top cover replacement".
4. Remove the system air baffle. See "2.2.6 Air baffle replacement".
5. Open the retaining clips of the appropriate memory slot.
Open the retaining clips of the memory slot
6. Ensure that notch 1 on the new memory module is aligned with key 2 in the memory slot, then insert the memory module.
7. Press the top of the new memory module straight down until the retaining clips close and the new memory module snaps into position.
Installing a memory module.
To remove, reverse the steps above.
2.2.8 Riser assembly replacement
Do not proceed before reading and understanding the "Safety Precautions" section of this chapter and "Read Me First".
To remove the Riser 1, 2, 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 top cover. See "2.2.3 Top cover replacement".
4. Disconnect all cables connected to the PCIe cards.
5. Grasp the riser card assembly by its edges (near the blue point on the module) and carefully lift it out of the chassis.