Desktop Boards
Intel® Desktop Board D845BG
System Boot Failure with DDR SDRAM Memory Module Having Improperly Programmed

To be fully compliant with all applicable DDR SDRAM memory specifications, the board should be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. This allows the BIOS to read the SPD data and program the chipset to accurately configure memory settings for optimum performance. If non-SPD memory is installed, the BIOS will attempt to correctly configure the memory settings, but performance and reliability may be impacted or the DIMMs may not function under the determined frequency.

Troubleshooting (See important notes below):

  • If you are using only one (1) DIMM memory module
    • Install the memory into Bank 0, which is located furthest from the Intel® processor socket.
  • If you are using two (2) DIMM memory modules
    • Try removing the DIMM module from Bank 1, which is located closest to the Intel® processor socket.
Latest advances tested memory list and system memory feature requirements is available.

Note: If you have memory modules with improperly programmed SPD data structure, they may not work on this Intel® Desktop Board. In addition performance and reliability may be impacted.

Note: Remove the AGP video card before installing or upgrading memory to avoid interference with the memory retention mechanism.

This applies to:
Intel® Desktop Board D845BG



Solution ID: CS-013139
Date Created: 12-Jul-2004
Last Modified: 16-Nov-2009
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