This Listing is for a Region Free Bios chip for the Sega Saturn.
These chips are programmed with the HiSaturn Bios file for extra Style points.
You can see the Hisaturn boot animation here.
Keep in mind that the HiSaturn is a Japanese Bios, therefore you will need to switch your language to English once properly installed.
It's simple to do, just follow this video.
FFor a full install guide, Check out this thread on MMMonkey
II would advise against cutting the legs of the original chip and use a hot air rework station to remove the original chip.
Here's a great video on how to do this mod properly by Voultar.