Although how does this explain the Nexus S, which is using an embedded 16G flash chip instead of an SD card? Are there equivalent wear-leveling algorithms included with modern flash controllers?
I don't know specifically for the Nexus S, but as a manufacturer you can buy flash-chips that have a mmc interface, so that they look like an SD-card to the microprocessor but can be soldered like a "usual" chip.
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Although how does this explain the Nexus S, which is using an embedded 16G flash chip instead of an SD card? Are there equivalent wear-leveling algorithms included with modern flash controllers?
I don't know specifically for the Nexus S, but as a manufacturer you can buy flash-chips that have a mmc interface, so that they look like an SD-card to the microprocessor but can be soldered like a "usual" chip.
E.g. look for SanDisk iNAND.