this post was submitted on 18 Jun 2026
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To add to that, even the original paper written with 1999-2007 era SDRAM/DDR/DDR2 is not optimistic about the scenario of a machine that was already powered down at regular operating temperatures:
And that only got worse with more advanced RAM, not to mention that they lost almost all of the data far quicker than that with only a couple % of bits surviving that long. For all practical intents and purposes, cold boot against an already-powered-down machine is a myth, the cooling has to be applied while it's on.