Memory module installation rules
Your server has four memory slots for installing or replacing DDR3 UDIMMs with ECC technology.
• Supports 2 GB and 4 GB 1333 MHz DDR3 UDIMMs
• Single-rank or dual-rank
• Minimum system memory: 2 GB (only one 2 GB memory module installed in the DIMMA2 slot)
• Maximum system memory: 16 GB (one 4 GB memory module installed in each of the four memory slots)
The following illustration helps you to locate the memory slots on the system board.
Figure 36. Memory slots on the system board
1
Memory slot 4 (DIMMB2)
3
Memory slot 2 (DIMMA2)
2
Memory slot 3 (DIMMB1)
4
Memory slot 1 (DIMMA1)
The following table provides information about the memory module installation rules that you should
consider when installing or removing a memory module. The “X” mark indicates the memory slot(s) into
which the memory module(s) should be installed in different situations. The numbers 1, 2, 3, and 4 indicate
the installation sequence.
Note:
The installed memory modules must be the same type with the same voltage and frequency.
UDIMM
DIMMA1
DIMMA2
DIMMB1
DIMMB2
One UDIMM
X
Two UDIMMs
X, 1
X, 2
Three UDIMMs
X, 3
X, 1
X, 2
Four UDIMMs
X, 3
X, 1
X, 4
X, 2
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