"The numbers "3695" are hand-written onto it."
The B1 Key Chip is a key item that can be found in Dino Crisis.
It can be used to unlocked the data storage inside the library room.
This key chip must be rewritten by using the terminal device which is also inside the library room. Player must type in the code: 3695 before rearranging magnetic pattern that was displayed on the screen. Once the key chip rewritten, the indicator will be activate on the correct data storage.
It's given by the dying man, inside the gas experiment room.
- ↑ OFFICIAL GUIDE BOOK, p.74.