If you are trying to mod the BIOS (SLIC, NVMe, Whitelist removal), you need to dump your own ROM using fpt -d backup.rom (Intel) or use a hardware programmer. Do not use random pre-made files.
Before you risk your hardware, consider these legitimate alternatives to achieve what you want: phoenix bios sct v22 full
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The BIOS didn't load an OS. It loaded a bridge. The screen split into a thousand tiny windows, each one a live feed of data from across the globe—power grids, satellite telemetry, encrypted bank ledgers—all being managed by a sub-layer of the BIOS that shouldn't have existed. If you are trying to mod the BIOS