Note, these are not for the older M14x and M17x series.
A04 Bios for Alienware 14/17 is to resolve the Bios override clock throttling setting (28°C gap which is 67°C vs. 95°C) issue. 1. Support Intel PCH C2 chipset 2. Update ePSA 4228A12(4228.19) 3. Modify SMBIOS Type 1 information 4. Update Microcode 306C3h Rev.12h 5. Enhance WOL function under Sleep status 6. Modify hardware reserved memory 7. Enhance graphic performance for Nvidia Optimus