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Intel Desktop Board D945PVS Product Guide
14
Main Memory
NOTE
To be fully compliant with all applicable Intel
®
SDRAM memory specifications, the board should
be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your
memory modules do not support SPD, you will see a notification to this effect on the screen at
power up. The BIOS will attempt to configure the memory controller for normal operation.
The desktop board supports dual or single channel memory configurations and the following:
• Four 240-pin Double Data Rate 2 (DDR2) SDRAM Dual Inline Memory Modules (DIMMs)
connectors
• Unbuffered, non-registered single or double-sided DIMMs
• Serial Presence Detect (SPD) memory only
• Non-ECC RAM
• 1.8 V, 1.9 V, and 2.0 V memory
• Memory configuration listed below:
⎯ Up to 2.0 GB utilizing 256 Mb technology
⎯ Up to 4.0 GB utilizing 512 Mb or 1 Gb technology
NOTE
System resources (such as PCI and PCI Express) require physical memory address locations that
reduce available memory addresses above 3 GB. This may result in less than 4 GB of memory
being available to the operating system and applications.
Related Links:
Go to the following links or pages for more information about:
• The latest list of tested memory,
http://support.intel.com/support/motherboards/desktop/
• SDRAM specifications,
http://www.intel.com/technology/memory/
• Installing memory, page
32 in Chapter 2