Lenovo ThinkSystem SR850, Maintenance Manual

Page: 94 / 184

Figure 81. Front operator panel installation
After installing operator panel tray assembly, complete the following steps:
1. Reinstall the operator panel tray assembly (see “Install the operator panel tray assembly” on page 83).
PCIe riser-card assembly and adapter replacement
Use this procedure to remove or install the PCIe riser-card assembly and the adapters.
Remove the PCIe riser-card assembly
Use this procedure to remove the PCIe riser-card assembly.
Before removing the PCIe riser-card 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).
6. Disconnect the USB 3.0 cable of operator panel tray assembly, and remove it vertically from the system
board.
86
ThinkSystem SR850 Maintenance Manual