RMA case led to motherboard serial number different than case

Hey there, it seems my bios is configured with a different serial number than the one etched on my case. I would like to correct that because the SKU is telling the software that I have a different model than I really do (Razer software identifying laptop as black instead of white). I dumped my APTIO V bios using afuwin and opened it with AMIBCP however neither SKU nor Serial are in the DMI tables… how can I go about editing those 2?