Intel D945GRW Product Guide - Page 15

Desktop Board Features 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 the dual or single channel memory configurations defined in Table 4. Table 4. Desktop Board D945GRW Memory Configurations Memory Speed FSB Frequency (MHz) Memory Speed (MHz) DDR2-667 1066 667 800 667 533 533 DDR2-533 1066 533 800 533 533 533 • 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 15