haven't checked you rlink, but changing the bios logo involves flashing the bios with a new imagein the the flash update.
Not something to be attempted by the inexperienced as you can end up with a useless board (ie: won't work and can't be fixed) if anything is wrong with the image format or the update goes "bump".
I wouldn't if I were you.
or, some manufactures offer a bios image changing utility. Search around to see if that's an option in your case.