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Advanced users • Re: Testing class A2 SD cards with Command Queueing on Pi 5

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To date there have been no Samsung A2 cards that work with CQ mode - typically because they break when a filesystem cache flush occurs. Therefore they're masked out by that quirk flag (bit 15).

Also flash capacities in datasheets are usually minima - there's a certain number of bad blocks that the manufacturer is willing to tolerate which will vary between each card.

Statistics: Posted by jdb — Mon Nov 25, 2024 6:46 pm



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