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 chipset2. Update ePSA 4228A12(4228.19)3. Modify SMBIOS Type 1 information4. Update Microcode 306C3h Rev.12h5. Enhance WOL function under Sleep status6. Modify hardware reserved memory7. Enhance graphic performance for Nvidia Optimus
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