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DRAM: Capacitors, Refresh, And Rowhammer

6 questions · ~5 min · intermediate

Six questions on how DRAM actually works under the flat pointer abstraction: cells, rows, refresh, ECC, Rowhammer, and why the mobile stack uses a different flavour. Play the lab to watch the commands fly across a single bank.

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Why does reading a DRAM cell destroy its stored value, and how is the value preserved?

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