Step 5.  Disconnect the retimer cables from system board. 
a. 
Disconnect the eight retimer signal cables from the system board, and remove them from 
the cable clips.
b. 
Disconnect the retimer power cable from the system board, and remove it from the cable 
clips. 
Figure 256. Disconnecting the retimer cables
Step 6.  Rotate down the SXM GPU board handle and clips so that they are away from the retimer 
assembly. 
Figure 257. Closing the GPU-L2A assembly clips and handle
320 ThinkSystem SR670 V2 Maintenance Manual