Intel DX79TO User's Guide download pdf (Page 16)

Intel Desktop Board DX79TO Product Guide

Memory Configurations

The Intel Core i7 and Intel Xeon processors support the following types of memory

organization:

• Quad-channel (Interleaved) mode. Quad-channel mode offers the highest

throughput for real world applications.

• Tri-channel (Interleaved) mode. Tri-channel mode is enabled when the installed

memory capacities of any three DIMM channels are equal.

• Dual-channel (Interleaved) mode. Dual-channel mode is enabled when the

installed memory capacities of both DIMM channels are equal. Technology and

device width can vary from one channel to the other but the installed memory

capacity for each channel must be equal. If different speed DIMMs are used

between channels, the slowest memory timing will be used.

• Single-channel (Asymmetric) mode. This mode is equivalent to single-channel

bandwidth operation for real world applications. This mode is used when only a

single DIMM is installed or the channel memory capacities are unequal.

Technology and device width can vary from one channel to the other. If different

speed DIMMs are used between channels, the slowest memory timing will be used.

Figure 2 shows the board’s memory channel and DIMM configuration

Figure 2. Memory Channel and DIMM Configuration

For information on installing memory, refer to page 40 in Chapter 2.

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Intel DX79TO User's Guide Page 16