Lenovo ThinkSystem SR850, Maintenance Manual

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Figure 75. Memory module installation
Step 4. If you are installing additional memory modules, do so now.
After installing all the memory modules, complete the following steps:
1. Reinstall the system board air baffle (see “Install the system board air baffle and the power interposer”
on page 118) or processor and memory expansion tray and expansion tray air baffle (see “Install the
processor and memory expansion tray ” on page 111).
2. Reinstall the top cover (see “Install the top cover” on page 131).
3. Reconnect the power cords and any cables that you removed.
4. Install the server in the rack.
5. Power on the server and any peripheral devices.
Operator panel tray assembly and front operator panel replacement
Use this procedure to remove or install the operator panel tray assembly and the front operator panel.
Remove the operator panel tray assembly
Use this procedure to remove the operator panel tray assembly.
Before removing the operator panel tray assembly:
1. Read the safety information and installation guidelines (see “Safety” on page iii and “Installation
Guidelines” on page 51).
2. Turn off the server and peripheral devices and disconnect the power cords and all external cables (see
“Power off the server” on page 8).
3. 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.
4. Watch the procedure . A video of this procedure is available from the following links:
• https://www.youtube.com/playlist?list=PLYV5R7hVcs-B2y7oAb54mfyuLrIusa_qE
• http://list.youku.com/albumlist/show/id_50483449
5. Remove the top cover (see “Remove the top cover” on page 130).
To remove the operator panel tray assembly, complete the following steps:
Step 1. Remove the fan cage assembly (see “Remove the fan cage assembly” on page 61).
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ThinkSystem SR850 Maintenance Manual