Global Standards for the Microelectronics Industry
SPD Annex L, Serial Presence Detect (SPD) for DDR4 SDRAM Modules, Release 4
This annex describes the serial presence detect (SPD) values for all DDR4 modules covered in Document Release 4. Differences between module types are encapsulated in subsections of this annex. These presence detect values are those referenced in the SPD standard document for ‘Specific Features’. Item 2220.01G. This is an editorial revision to the publication in January 2017.