If you see this ID in your Device Manager, it is almost certainly a remnant of an infrared port that you likely do not use.
Manual Driver UpdateSometimes, the driver is already on your system but not assigned. You can try selecting "Update Driver" > "Browse my computer for drivers" > "Let me pick from a list." Look for "Infrared devices" and see if a National Semiconductor driver is available in the Windows driver store. Should You Disable It? acpi nsc6001
Modern Windows versions (especially Windows 11 24H2 and later) have improved legacy device handling, but the NSC6001 stubbornly persists in some BIOS implementations. By following this guide, you can banish this cryptic error and restore stable, fast power management to your PC. If you see this ID in your Device
Since this is legacy hardware, the most reliable drivers are often hosted on manufacturer support pages or reputable driver repositories: Should You Disable It
For most users, this string of letters and numbers means nothing. For IT professionals and advanced hobbyists, it signals a specific hardware driver conflict related to legacy National Semiconductor chipsets. In this 2,500+ word guide, we will dissect what ACPI NSC6001 is, why it appears, what errors it causes (including BSODs like DRIVER_POWER_STATE_FAILURE), and step-by-step methods to resolve it permanently.