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Recommendation for register-related SPD Settings on DDR3 RDIMM

Posted: 19 Jan 2011     Print Version  Bookmark and Share

Keywords:Texas Instruments  Serial Presence Detect  Serial Presence Detect 

DDR3 memory modules can be populated with EEPROMs that use the Serial Presence Detect (SPD) memory technology. The SPD EEPROM contains information for the memory controller about the memory module. On Registered DIMM (RDIMM), the SPD bytes 65-76 are reserved for register specific content.

This application note gives DIMM manufacturers who are using Texas Instruments registers on their modules, a recommendation for the correct SPD settings of bytes 65-76. Only the JEDEC standard board layouts (Raw Cards or R/C) are covered by this report, namely R/C A-H, J-N, and V.

View the PDF document for more information.

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