you can have a mix- 4gb embedded ram + 1-2 slots of slower layer
replyPretty difficult to code OS to take advantage of that. Basically need NUMA, which increases overall overhead.
replyOtherwise, you may end up filling up your fast memory with some cold data.
If apple cant support NUMA ill eat my hat
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replybut since RAM does not last that much longer you still need to resolder that after 5-10 years!
replyWhere are you getting this information?