Actually, mostly optimizing and adding to or improving the initialization procedure library (AGESA)
ASrock X570 Extreme4 BIOS Versions and info
- Version Description
2.20 Update AMD AGESA Combo-AM4 1.0.0.4 Patch B
1.90 Update AMD AGESA Combo-AM4 1.0.0.3 ABBA
1.70 1 Update AMD AGESA Combo-AM4 1.0.0.3 ABBA
2 Improve Destiny2 gaming experience with Matisse CPU.
1.60 Improve compatibility with DDR4-3000 or above memory.
1.50 Optimize the SYS_FAN1 Setting
1.40 Enhance Ryzen 9 CPU performance
1.30 Update AMD AGESA Combo_AM4 PI 1.0.0.3
1.10 First release.
I’ve been building my own computers since 1996 and have gone through over a dozen motherboards and have updated the BIOS on every one, often multiple times. Plus I’ve updated probably 30 or more computers at work. I’ve never had a single problem. The utilities provided make it pretty easy.