This post lists some resources I've found useful for learning how to work with Serial Presence-Detect (SPD) EEPROMs.
Where's a good overview of Serial Presence-Detect?
TN-04-42: Memory Module Serial Presence-Detect Introduction [link]
How do I talk to an SPD EEPROM?
4.1.3 Definition of the EE1002 and EE1002A Serial Presence Detect (SPD) EEPROMS at [link] (requires a free login)
What are all the values in an SPD EEPROM mean in a DDR4 module?
Annex L: Serial Presence Detect (SPD) for DDR4 SDRAM Modules at [link] (requires a free login)
Reference
JEDEC Logo clipped from [link]