started in 2004 with the concept of providing USB information for everything USB related.Īt the time, USB was gaining momentum and every day new products, articles and news became published. Here is a screenshot of Nexcopys software reading 20 CID numbers. Granted, the equipment is not designed for single use operation, but rather reading the CID of SD media in bulk quantity. This configuration makes it quick and easy to obtain the CID number. The duplicators will read the CID number and exported to a.csv file for import into other business functions. With the secure digital duplicators part of their feature set includes reading CID numbers from SD media.Īt a time, 40 cards at a time, or 60 cards at a time, depending on the model. Several models they carry are SD duplicators and microSD duplicators. 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. 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.
If you do enough searching on the internet youll find some home-brew code to read the CID numbers, but thats only if you have the SD card or microSD card connected via an IDE bus to your host computer.
The CID number is a compilation of information about the card, such as manufacturer, date manufactured, checksum total, GB size and more. It is programmed during card manufacturing and cannot be changed by SD Card hosts. 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. 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. Some also call this reading the PSN off the SD card or reading the product serial number off the SD card.Ĭard identifier number that is unique to the card itself. Change Sd Card Serial Number By raepropholprin1984 Follow | Public
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