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Is it OK that file codes created with different version MMs differ?

Latest Updated:09/15/2006

Question:

Is it OK that file codes created with different version MMs differ?

Answer:

Since Ver. 2.00.00, MM stores version information on the running MM in the mask file.
For this reason, the file code for mask files created with different version MMs will differ even if the same data is registered.
However, this version information has absolutely no effect whatsoever on the data to be masked, so there is no need to worry.
Also, ROM mask processing is performed correctly no matter version was used to create the mask file.
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