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Desktop Board Features
17
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 defined in Table 6.
Table 6. Desktop Board D945GNT/D945GTP Memory Configurations
Memory Speed FSB frequency (MHz) Memory Speed (MHz)
1066 667
800 667
DDR2-667
533 533
1066 533
800 533
DDR2-533
533 533
800 400 DDR2-400
533 400
• Four 240-pin Double Data Rate 2 (DDR2) SDRAM Dual Inline Memory Module (DIMMs)
connectors with gold-plated contacts
• Unbuffered, non-registered single or double-sided DIMMs
• Serial Presence Detect (SPD) memory only
• Non-ECC RAM
• 1.8 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
36 in Chapter 2