Dimm Comb Replacement - Lenovo ThinkSystem SD650 V3 User Manual

Figure 52. CMOS battery installation
After you finish
1. Install the PCIe riser assembly. See
riser assembly replacement (ConnectX-7 NDR 200)" on page
(ConnectX-7 NDR 400)" on page
2. Install the tray cover. See
3. Install the tray into the enclosure. See
4. Connect all required external cables to the solution.
Note: Use extra force to connect QSFP cables to the solution.
5. Check the power LED on each node to make sure it changes from fast blink to slow blink to indicate all
nodes are ready to be powered on.

DIMM comb replacement

Use the following procedures to remove and install a DIMM comb.
Remove a DIMM comb
Use this information to remove a DIMM comb.
About this task
Attention:
• Read "Installation Guidelines" on page 33
work safely.
• Turn off the corresponding DWC tray that you are going to perform the task on.
• Disconnect all external cables from the enclosure.
• Use extra force to disconnect QSFP cables if they are connected to the solution.
Note: The following illustration might differ slightly from your hardware, but the installation method is the
same.
Watch the procedure
A video of this procedure is available at YouTube:
BQs0NXGCm6ZwVtMOSykxd
Procedure
Step 1. Make preparations for this task.
"Install a PCIe riser assembly (ConnectX-6)" on page 123
144.
"Install the tray cover" on page
"Install a DWC tray in the enclosure" on page
and "Safety inspection checklist" on page 34
https://www.youtube.com/playlist?list=PLYV5R7hVcs-
.
128, or "Install a PCIe riser assembly
44.
.
Chapter 5 Hardware replacement procedures
, "PCIe
42.
to ensure that you
75