User`s manual

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1.7.2 Dual-Channel Mode Population Rule
In Dual-Channel mode, the memory modules can transmit and receive data with two data bus lines simultaneously.
Enabling Dual-Channel mode can enhance the system performance. Please refer to the following illustrations for
population rules under Dual-Channel mode.
• When install only one DDR3 memory module, install it on “DIMMA1” slot ONLY.
• When install only two DDR3 memory module, install them on “DIMMA1” and
“DIMMB1” slots ONLY.
• In dual-channel configurations, install only identical (the same type, and size) DDR3
memory module pairs for each channel. For instance, DIMMA1 paired with
DIMMB1; DIMMA2 paired with DIMMB2.
• Always install DIMMs with the same CAS latency. For optimum compatibility, it is
recommended that you obtain the exact same model of memory modules from the
same vendor.