How To: Read CID on SD card May 24, 2012,,,, How To Read CID on SD card If you are looking to, or extract the CID off an SD card then you’ve find this article very helpful. Some also call this “reading the PSN off the SD card” or reading the product serial number off the SD card. Most phones and much of the software on phones will lock in to the CID number of a SD card. The CID number is a unique card identifier number that is unique to the card itself. So I have a Magellan GPS unit that came shipped with a 4gb MicroSD card with 1:50 000 Ordnance Survey maps of the UK on it. The maps are. The next 8 hex characters (98625deb) are the SD card serial number, yours will be different! The manufacturing date is next (0102, or 0 10 2), where the first digit is ignored, the next pair is the year in hex since 2000 and the last digit is the month in hex. Serial number of the SD card, so just backing up the data isn't enough. I suspect it is impossible to clone the card completely, including serial number, but thought I'd ask if anyone has investigated this and found a solution. I believe one can change the Volume ID of hard drives and imagine something similar being possible for SD cards. The SD card ID is not printed on the card itself, so you have to put the card into your. The file in “Notepad” until you see a line that starts with “SD Serial Number. Change sd card serial number? Discussion in 'Storage Devices' started by Dave, Feb 24, 2004. Is it possible to change the embedded serial number of an sd (secure digital) memory card? Tia Dave, Feb 24, 2004 #1. Ask a Question. The CID number is valuable because software developers and hardware developers can lock software to the unique number of the device thus eliminating the ability to pass along licensed software. Reading the CID number from an SD card is not an easy task. It requires specific access codes to the index table of the memory card, and unless you know how to use the SD chipset of your card reader, chances are you wont get the numberor least the correct and accurate number. What is the CID number of an SD card? The CID register is 16 bytes long and contains a unique card identification number. Aphex twin selected ambient works 85 92 rar extractor. It is programmed during card manufacturing and cannot be changed by SD Card hosts. The CID number is a compilation of information about the card, such as manufacturer, date manufactured, checksum total, GB size and more. Below is a table outlining all the items which make up the SD CID number. Video Card Serial NumberSo with all this said, how do you read the CID number from an SD card? As we’ve mentioned it isn’t easy and it’s [more or less] hardware based. If you do enough searching on the internet you’ll find some home-brew code to read the CID numbers, but that’s only if you have the SD card or microSD card connected via an IDE bus to your host computer. This isn’t easy for everyone. There is clear evidence that using a USB to SD card reader will not get you the information you require, or at least accurate and correct information. Meaning most times the CID number generated is actually the serial number of the card reader itself, not the CID number of a specific SD card.
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