HP Array Controller HSG V8.7 Software - Manual (Page 239)

Replacement Procedures 5–43
Caution ESD can easily damage a cache module or a DIMM. Wear a
snug-fitting, grounded ESD wrist strap.
Removing DIMMs
Use the following steps to remove a DIMM from a cache module:
1. Remove the cache module using the steps in either “Removing the
Cache Module in a Single Controller Configuration,” page 5–6, or
“Removing a Cache Module in a Dual-Redundant Controller
Configuration,” page 5–21.
2. Press down on the DIMM retaining levers at either end of the DIMM
you want to remove.
3. Grasp the DIMM and gently remove it from the DIMM slot.