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Removal and replacement procedures 71
CAUTION: For proper cooling, do not operate the server without the top cover, air baffle,
expansion slot covers, or blanks installed. For additional information, see the user guide. If hot-plug
components are supported, minimize the amount of time the top cover is removed.
To install the air baffle:
1. Connect all necessary cables.
2. Gently place the air baffle on the system board.
Figure 51 Installing the Air Baffle
Memory
The system board has eighteen DIMM slots that support up to 192 GB Quad-rank system memory
(Two 16 GB Quad-rank DIMMs in each of the six channels).
You must adhere to the following guidelines when adding or replacing memory modules:
• For 2P system, both physical processors must be of the same type and speed.
• Use 800/1066/1333 MHz DDR3 RDIMM/UDIMM.
• Supported DIMM capacity: 2 GB, 4 GB, 8 GB and 16 GB.
• Installation guide for 1P configuration:
○ Follow the sequence of 3A, 6B, 9C, 2D, 5E, 8F, 1G, 4H and 7I for the corresponding
processor when installing the memory.
• Installation guide for 2P configuration:
○ Follow the sequence of 3A, 6B, 9C, 2D, 5E, 8F, 1G, 4H and 7I for the corresponding
processor when installing the memory.
○ Install at least one memory DIMM for each processor.
○ The memory quantity installed for each processor can be different.