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Replacing Memory on a Cisco Nexus 7000 Series I/O Module
78-100406-01
Replacing a DIMM on an I/O Module
Figure 3 Adding a DIMM 
Step 13
Rotate both ejector levers away from the front of the I/O module.
Step 14 If the I/O module had a metal cover, as shown in Figure 1, secure the metal cover 
to the back of the I/O module by screwing in all the 14 screws before proceeding 
to the next step.
Step 15 Grasp the front of the module with one hand and place your other hand under the 
module to support its weight.
1 On the second memory slot on the 
front of the I/O module, rotate both 
spring clips out.
2 Holding the DIMM by its edges, 
align it to the second memory slot 
and push it into place until the 
spring clips click into the DIMM.