Removal and replacement procedures 53
• Supported DIMM capacities: 1 GB, 2 GB, 4 GB DDR3 registered DIMM and 1 GB, 2 GB, 4 GB
un-buffered DIMM.
• Supported tech n ol ogies: 1 GB, 2 GB, 4 GB x12 devices for registered and 1 GB, 2 GB, 4 GB x
12 devices for un-buffered.
• For best performance, DIMMs should be install ed in symmetrical (balance-capacity) pairs.
Table
-2 DIMM slot Configurations
1D 2A 3E 4B 5F 6C
– • – – – –
– • – • – –
– • – • – •
• • – • – •
• • • • – •
• • • • • •
– : Empty
•: DIMM installed
To remove a memory module:
1. Power down the server.
2. Disconnect th e p ower cord(s).
3. Unlock the server if necessary and remove t h e access panel as described in the sect ion “System
covers .”
4. Remove the air baffle by pulling up slightly on the four tabs and lifting the baffle away from the
chassis.
5. Remove the hard drive fan h o lder if needed.
6. Completely open the holding clips securing the module (Figure 3-32, 1).
7. Gently pull the memor y m odule upward to remove it fr om the slot (Figure 3-32, 2).
Figure 3-32 Removing a memory module (DIMM)