IBM FAStT500 User Guide - Page 54

3 Locate the empty DIMM socket in front of the populated one that contains the standard 256 MB cache memory module. Make sure that both DIMM latches are open to their outermost position before inserting the new memory module. DIMM latches in open position Upgrade 256 MB cache module Standard 256 MB cache module 4 Carefully insert the DIMM into the empty socket, making sure that the left and right edges of the module slide inside the grooves in the DIMM latches. As you push the DIMM into place, the DIMM latches slowly close around the new module. 5 Once the DIMM is fully seated in the socket, press firmly inward on the left and right DIMM latches until they lock and secure the DIMM into place. DIMM latches in closed position 6 Install the top cover that you removed in Step 2 on page 33. Install the controller back into the controller unit by reversing the procedure in Step 1 on page 33. 34 IBM FAStT500 RAID Controller Enclosure Unit User's Guide