Bios American Megatrends [better] Jun 2026

As soon as the screen lights up, repeatedly press the access key. For AMI, this is almost always Delete (Del) or F2 .

| Feature | Legacy AMI BIOS | AMI Aptio (UEFI) | | :--- | :--- | :--- | | | Blue text-only screen, keyboard navigation | Graphical mouse-driven interface, HD resolution | | Drive Size | Cannot boot from drives larger than 2TB | Supports drives larger than 2TB (GPT partition) | | Speed | Slower POST | Faster boot, supports fast/ultra-fast boot | | Security | Basic passwords | Secure Boot, TPM integration, cryptographic signing | | Mouse Support | No | Yes | bios american megatrends

American Megatrends International (AMI) is not a household name like Intel or Microsoft, but their footprint is arguably larger. Founded in 1985 by S. Shankar, AMI quickly became the dominant force in the firmware market. As soon as the screen lights up, repeatedly