Ices 003 Class B Graphics Card Driver 2021 |link| Jun 2026

While this article focuses on 2021, the lessons remain relevant. As of late 2024 and into 2025, ISED has harmonized ICES-003 with FCC Part 15 Subpart B, but 2021 was the transitional year when drivers became a first-class compliance component.

was published in late 2020, with a transition period that ended on October 15, 2021 ices 003 class b graphics card driver 2021

This feature, which allows the CPU to access the entire GPU memory, changed memory addressing patterns. Both AMD and NVIDIA had to update drivers to ensure these new access methods did not increase EMI beyond Class B limits. While this article focuses on 2021, the lessons

A 2021 GPU (e.g., RX 6700 XT or RTX 3080 Ti) may not even initialize with 2019 drivers. Always use 2021-certified drivers for 2021 cards. Both AMD and NVIDIA had to update drivers

: Download a utility like GPU-Z to see every detail about your card, including the manufacturer and BIOS version.

With gamers and professionals using older cards for longer, manufacturers extended driver support for legacy GPUs. These older drivers were re-certified for ICES-003 as they were republished.

Independent hardware sleuths—those glorious basement-dwelling oscilloscope jockeys—found the culprit. The new driver, in an overzealous attempt to reduce electromagnetic interference at idle, had implemented an aggressive routine.