2/29/2024 0 Comments Sd card changing cidThat would not be a problem always working on the same type of cards. You also wrote that it's not just sending CMD26 on SPI mode and it's need to knock SD or MicroSD card into firmware mode, then once done, they do accept CMD26 and permanently accept new CID values. So please, explain exactly with what kind of cards you were able to do the job possibly specifying their manufacturer, brand, type CSD and original CID (in order to know their manufacturer date). ![]() I'm pretty sure I'd be able to do the job but unluckily I can't find the right SD/MMC. I don't know what do you mean about the different ways for different controllers you wrote, but in my opinion I think with the right cards isn't too hard to achieve the goal. You wrote that it is possible but very time consuming do the job since you will need to come up with different ways for different controllers and also creating something (Universal) that will work with every controller is almost impossible. Once you can reach the target with a certain type of cards produced by a specific manufacturer, then surely you can repeat the job on others cards which are the same as model, brand and manufacturer. ![]() So actually your answer has to be interpreted academically rather than like a possible solution to the problem, being in the facts that in real life the things are far from being as you have described them.Īnyway, you wrote that each controller needs different methods, I guess you mean working on different cards produced by different manufacturer's brands. (Even if I'm pretty sure that your statements are based on something like this old document here I know I asked for a lot of informations and I hope you will answer. Knowing it would be possible to understand their manufacturer date and other useful parameters. You wrote 2 major manufacturers out of 4, but what exactly?Īn interesting thing would be if you could provide original CID and CSD of the cards that you have been able to change, is it possible? It is also generally not recommended to modify the CID of an SD card as it can violate the terms of use for the card and may void the warranty.Please, could you tell exactly with which cards you were able to do that successfully? It is important to note that modifying the CID of an SD card can have unintended consequences and may cause the card to be unrecognized by some devices. You would then need to write a program using the Arduino software development environment (IDE) to communicate with the programmer and issue commands to change the CID. To use an SD card programmer with an Arduino, you would need to connect the programmer to the Arduino using a serial interface, such as the Arduino's serial port or an external serial-to-USB adapter. These devices are designed specifically for programming and modifying SD cards and can be used to change the CID, as well as other information stored on the card. To change the CID of an SD card, you would need to use a device called an SD card programmer. ![]() It is stored in a non-rewritable area of the card and cannot be modified by the user. The CID is a unique identification number that is stored on the SD card and used by the host device to identify the card. ![]() Right click the SD card partition, and click Advanced and then Change Serial Number. "It is possible to change the CID (Card Identification) of an SD card using an Arduino, but it requires some additional hardware and programming knowledge. Install and launch AOMEI Partition Assistant Professional. I was looking for a question to test out and so I tried your question and got the below answer from it:
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