Because BIOS modding carries the risk of "bricking" (permanently disabling) your motherboard, it is critical to use reputable sources and follow precise steps: [HowTo] Modify/Flash a Dell Bios with andyp's PhoenixTool
The Phoenix Tool is designed for deep-level firmware manipulation:
: Allows users to open, view, and modify individual modules within BIOS files from manufacturers like Phoenix, Insyde, and Dell. Troubleshooting