Code B6 appears during . The board is trying to load drivers for every device on the PCIe bus (graphics card, NVMe SSD, Wi-Fi card, etc.). A failure means one device’s option ROM driver is non-responsive.
This article dives deep into what these error codes mean, how they relate to (driver functionality and troubleshooting), and step-by-step solutions to make your Intel Desktop Board operational again. intel desktop board 21 b6 e1 e2 driver work