Intel DX79SI Intel Desktop Board DX79SI Technical Product Specification - Page 19

Memory Configurations - supported processors

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Product Description 1.5.1 Memory Configurations The Intel Core i7 and Intel Xeon processors support the following types of memory organization: • Quad channel (Interleaved) mode. This 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 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. For information about... Memory Configuration Examples Refer to: http://www.intel.com/support/motherboards/desktop/sb/cs011965.htm 19

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Product Description
19
1.5.1
Memory Configurations
The Intel Core i7 and Intel Xeon processors support the following types of memory
organization:
•
Quad channel (Interleaved) mode
. This 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 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.
For information about…
Refer to:
Memory Configuration Examples
011965.htm