Step 1.  If your server is installed with 2U heat sinks, replace the 2U heat sinks with the 1U heat sinks that 
came with the GPU thermal kit. For detailed instructions on how to replace the heat sink, see 
http:// 
thinksystem.lenovofiles.com/help/topic/7X05/microprocessor_replacement.html
.
Step 2.  Install the large-size air baffle that came with the GPU thermal kit. For more information about the 
air baffle, refer to “Important information for the air baffle” on page 5. 
Figure 94. Installation of the large-size air baffle
Step 3.  Depending on the GPU type, do one of the following: 
•  For full-height full-length GPUs, if the GPU does not have a bracket installed on it, install the 
screws to secure the GPU bracket 
1  to the GPU. Then, install the GPU holder  2  to the GPU.
Figure 95. GPU bracket and holder installation
166 ThinkSystem SR650 Setup Guide