AFUWIN is an excellent utility designed for updating the BIOS from American Megatrends, enabling users to achieve performance that surpasses their initial expectations. This software was created by American Megatrends with the goal of improving system reliability, resolving current problems, and implementing additional functionality.
| AFUWIN (AMI Firmware Update Utility for Windows) | |
|---|---|
| Developer | American Megatrends Inc. (AMI) |
| Purpose | BIOS/UEFI firmware flashing and updating tool for Windows environment |
| Platform | Windows (Command-line utility) |
| File Type | Executable (.exe) |
| Key Features | |
| BIOS Flashing | Updates motherboard BIOS/UEFI firmware |
| Backup Function | Can save current BIOS to a file before updating |
| Command-line Interface | Operates via command prompt with various switches/parameters |
| Verification | Verifies BIOS image integrity before flashing |
| Common Commands | |
| /O | Save current BIOS to file |
| /P | Program BIOS from file |
| /N | Program NVRAM |
| /K | Program all blocks |
| /B | Program Boot Block |
| /ME | Program ME (Management Engine) |
| /CLNEVNLOG | Clear event log |
| /Q | Quiet mode (no display) |
| Risks & Warnings | |
| Power Loss | System failure if power is interrupted during flashing |
| Wrong BIOS File | Can brick the motherboard if incorrect BIOS is flashed |
| Administrator Rights | Requires elevated privileges to run |
| Compatibility | Must match motherboard model exactly |
| Usage Example | |
| Backup BIOS | AFUWIN.exe /O backup.rom |
| Flash BIOS | AFUWIN.exe newbios.rom /P /B /N /K |
| Additional Information | |
| Versions | Multiple versions exist (v3.x, v4.x, v5.x) – compatibility varies |
| Alternatives | AFUDOS (DOS version), manufacturer-specific tools |
| Support | Usually provided by motherboard manufacturers |
| Recommended Use | Only when BIOS update is necessary (bug fixes, hardware support) |
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