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We have look into this, and unfortunately we do not have any archive copy of Nallatech BSP.
For that you will need to contact Bittware themselves.
Hopes that clarify your doubts.
Hope this message find you well and good day, unfortunately as we do not receive any response from you to the previous clarification that we have provided. This thread will now be transitioned to community support. If you have new queries or further query on this thread, please feel free to open a new thread or reopen this thread to get support from Intel experts. Otherwise, the community users will further help you with doubts in this thread.