The spec contains a command (CMD26) for writing the ClD, but it's only expected to function as soon as in the factory when the card is definitely first assigned an ID.Īll the credit cards I obtained seemed to honor that restriction. There are rumours of cheap Chinese SD credit cards that wear't follow the standard specification and permit you to alter to them - I right now possess large heap of cheap Chinese language SD credit cards on my desk, but unfortunately none of them of them do enable it. There is definitely amazingly little info out right now there about this, when it's simple for some other devices.įor illustration, if you would like to modify the supposedly read-only Identity on several kinds of RFID tag you can merely purchase a special version from China that allows it (frequently referred to as magic or miraculous cards). I've invested a even though attempting to function out how to modify the Identification on some credit cards. This can effect in you being stuck with a smaller sized card than you'd like in a gadget or not being able to make use of a back-up in case of harm. (tl dr - miss out to underside for directions, see also ) The CID sign up on SD credit cards is expected to become read-only, which means it can be utilized to secure gadgets to specific SD cards, stopping the consumer swapping them out, which is definitely very irritating.
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