[nrp]

My recollection of this is that LPCAMM was a proposal from Dell that they put into the JEDEC standardization process, and LPCAMM2 is the resulting standard, named that way to avoid confusion with the non-standard LPCAMM that Dell trialed on a small number of commercial systems.

[Tuna-Fish]

Almost. The Dell proposal is called CAMM, which was slightly modified during the JEDEC process and standardized as CAMM2, which is the combined with the memory type the same way DIMM was, For example LPDDR5X CAMM2 or DDR5 CAMM2. LPCAMM2 is not a name used in any JEDEC standard or even referred to anywhere on their site, but it seems to be used by both the memory manufacturers and the users because it's less of a mouthful, and they feel there needs to be more to distinguish between LPDDR5 CAMM2 and DDR5 CAMM2 because they are not electrically compatible.