How to add RAID function to ThinkPad W540?

I bought a W540. However, it do not have RAID.
Non-RAID version BIOS can’t even enable intel SRT technology, so I want to add it.
I can’t even get .rom file, Lenovo has changed the compression method. I can’t extract the .FL1 file.
Could anyone teach me how to finish this work?
You can get BIOS from http://download.lenovo.com/ibmdl/pub/pc/…es/gnuj11us.exe

@ lzy0702:
Welcome at Win-RAID Forum!

You will need to modify some system BIOS components. I am not sure, if anyone of the Forum members can give you support doing this difficult and risky work.

I am sorry, but I didn’t succeed either.
Maybe someone else can help you to extract the BIOS file.

Regards
Fernando