Example A — Upgrading from Sandy Bridge to Ivy Bridge CPU Scenario: A user has a Core i3-2100 (Sandy Bridge) and wants to upgrade to a Core i5-3570 (Ivy Bridge). The older BIOS does not POST with the new CPU. Action: Verify current BIOS. Download an ECS BIOS release that adds Ivy Bridge support. Flash using ECS instructions and reboot. After update, the board recognizes the i5-3570 and system boots.