Intel D975XBX2 - Desktop Board Motherboard, Specification

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Product Description
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INTEGRATOR’S NOTE
Refer to Section 2.1.1, on page 49 for additional information on available memory.
NOTE
Regardless of the DIMM type used, the memory frequency will either be equal to or
less than the processor system bus frequency. For example, if DDR2 800 memory
is used with a 533 MHz system bus frequency processor, the memory will operate at
533 MHz. Table 5 lists the resulting operating memory frequencies based on the
combination of DIMMs and processors.
Table 5. Memory Operating Frequencies
DIMM Type Processor System Bus Frequency Resulting Memory Frequency
DDR2 533 800 MHz 533 MHz
DDR2 533 1066 MHz 533 MHz
DDR2 667 800 MHz 667 MHz
DDR2 667 1066 MHz 667 MHz
DDR2 800 800 MHz 800 MHz
DDR2 800 1066 MHz 800 MHz