ARM Technical Support Knowledge Articles

WHAT IS A CID?

Applies to: Product Licensing

Answer


Information in this article applies to:


QUESTION

What is the Computer Identification Number (CID)? Why does it change?

ANSWER

The CID is a 10-digit, alphanumeric number, generated by µVision, that contains parameters (hard disk ID, MAC address, operating system information) which uniquely identify your workstation.  The Keil Product Licensing web pages use this information to construct your LIC.  

The CID also contains current date information, so it changes daily.  The changing date will not affect your LIC, so you may re-install a LIC at a later date on the same workstation.

MORE INFORMATION

Article last edited on: 2005-10-10 13:57:26

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