ASRock A20M BIOS Setup Utility User Manual

About this manual

This manual provides step‑by‑step instructions for navigating the BIOS Setup Utility on an ASRock A20M motherboard. It covers the main screen, advanced options, CPU and memory configuration, security settings, and exit procedures.

The guide also describes the Instant Flash utility for BIOS updates, advanced over‑clocking features, and how to save or discard changes. All options are presented with the corresponding key commands for easy reference. This manual is written in Chinese.

What's inside

• Main Screen
• Advanced Screen
• CPU Configuration
• DRAM Timing Control
• Security Settings
• Boot Options
• Instant Flash
• Exit Screen

Frequently asked questions

What key opens the BIOS security screen?

Press the designated key (e.g., F2) to access the Security Settings screen.