Acpi Nsc6001 |verified|
But firmware can be wrong.
This is the native environment for this hardware. You need the specific chipset drivers. acpi nsc6001
If the problem started after a driver update, roll back: But firmware can be wrong
It has an NSC6001 for a serial controller. acpi nsc6001
: The "NSC" prefix in the ID stands for National Semiconductor , a major American semiconductor company (now part of Texas Instruments).