On Sat, 29 Apr 2023 17:15:22 +0200, Jean Delvare wrote: > I took a quick look on jedec.org in search for information and found > JESD400-5A which covers SPD contents for DDR5 and it enumerates 1024 > bytes. This is twice as much as what EE1004 EEPROMs can hold, so DDR5 > modules are definitely not using EE1004 EEPROMs. So far I couldn't find > the "equivalent" of EE1004 for DDR5 modules so far. Found it, it is named "SPD5118 Hub and Serial Presence Detect Device Standard" and is published by Jedec under reference JESD300-5B. That's a 126-page document. In comparison, the EE1004 specification was 35-page long. So I expect there will be a lot of work to get it to work. And I don't own a DDR5-based system yet, so I can't even test. -- Jean Delvare SUSE L3 Support
