Lenovo ThinkSystem SR850, Maintenance Manual

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Figure 110. Expansion tray air baffle installation
Attention:
1. For the optimal performance, make sure both PHMs and corresponding DIMMs are installed to
the processor and memory expansion tray.
2. Air baffle is required for airflow that creates proper cooling. Make sure proper air baffle(s) for
system configuration is installed before the power is turned on.
After installing the processor and memory expansion tray, complete the following steps:
1. Reinstall power supply 2 (see “Install a hot-swap power supply unit” on page 96).
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. Power on the server and any peripheral devices.
Security bezel replacement
Use this procedure to remove or install the security bezel.
Remove the security bezel
Remove the security bezel by unlocking the security bezel and pressing the release latch.
Before removing the security bezel:
1. Read the safety information and installation guidelines (see “Safety” on page iii and “Installation
Guidelines” on page 51).
2. If the server is installed in a rack, extend or remove the server from the rack.
3. 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
To remove the security bezel, complete the following steps:
Watch the procedure . A video of the removal process is available:
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ThinkSystem SR850 Maintenance Manual