Certainly NOT ! The manual does not even contain all the parameters and options found in the BIOS (on screen). Besides, one of the recommendations about the Uncore Ratio is also wrong. Oh, a manual.... hurray then.
I used this guide to flash my Gigabyte Z97 motherboard. I used the HP USB Disk Storage Format Tool instead of Rufus to make a DOS startup USB drive. It is the method using the EFI Flash Tool.