Detailed description：I have tried to register either unit in my AX6600 pair and both seem be detected as the model of hardware when I complete entering the serials, but both report as invalid serial when I submit.
Here we mainly discuss the issues/questions related to ASUS laptop.
For your Motherboard questions, I suggest you contact our local call center to have further assistance.
Please refer to below and find the link of local call center.
Sorry for any inconvenience it may be caused.
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