Hardware options installation 58
Lockstep Memory population guidelines
For Lockstep memory mode configurations, observe the following guidelines:
• Observe the general DIMM slot population guidelines (on page 57).
• DIMM configuration on all channels of a processor must be identical.
• In multi-processor configurations, each processor must have a valid Lockstep Memory configuration.
• In multi-processor configurations, each processor might have a different valid Lockstep Memory
configuration.
Optical drive cage option
1. Do one of the following:
o For tower models, open and remove the bezel ("Remove the tower bezel" on page 20).
o For rack models, if installed, remove the security bezel (on page 20).
2. Power down the server (on page 19).
3. Remove all power:
a. Disconnect each power cord from the power source.
b. Disconnect each power cord from the server.
4. For tower models, do the following:
a. Place the server on a flat, level surface with the access panel facing up.
b. Remove the access panel (on page 22).
5. For rack models, do the following:
a. Extend the server from the rack (on page 23).
b. Remove the access panel (on page 22).
c. Release thumbscrews and remove the rack bezel.
6. Remove the blank from box 3.
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