Acpi Int33a0 0 Driver __exclusive__

In many designs, the INT33A0 device is not a physical chip you can touch; it is an that acts as a bridge between the ACPI firmware and the operating system’s GPIO driver. It exists to allow the kernel to manipulate GPIO pins for:

If you want to contribute to the driver, look in the Linux kernel source:

Users have reported increased battery drain because the system wakes up while in a laptop bag or overnight. Reviewers often suggest increasing the update interval (e.g., to 60 minutes) or disabling it if battery longevity is the priority. acpi int33a0 0 driver

If you run dmesg | grep -i int33a0 , you might see one of several messages:

Recently, INT33A0 has appeared on some laptops (e.g., Lenovo ThinkPad X13s with Snapdragon). Here, it is part of the ACPI emulation layer on ARM and is handled by the gpio-dwapb or pinctrl-single driver. However, support is less mature than on x86. In many designs, the INT33A0 device is not

cat /sys/class/thermal/thermal_zone*/trip_point_0_temp

INT33A0 is a registered to Intel Corporation. The "33A0" part designates a specific class of function within Intel chipsets and SoCs (System on Chips). If you run dmesg | grep -i int33a0

echo "int3400_thermal" | sudo tee -a /etc/modules-load.d/int340x.conf echo "int340x_thermal_zone" | sudo tee -a /etc/modules-load.d/int340x.conf echo "processor_thermal_device_pci" | sudo tee -a /etc/modules-load.d/int340x.conf

Intel Smart Connect Technology is designed to keep your applications updated while your PC is in sleep mode. It periodically wakes the system for a short time to re-establish network connectivity, sync data like emails and social media, and then automatically returns the device to sleep. Acpi Int33a0 0 Driver Apr 2026

When you perform a clean install of Windows (or a major version upgrade), Windows attempts to install generic drivers. If it fails to recognize the specific Intel controller handling your storage or power management, it lists the hardware ID ACPI\INT33A0 under "Other Devices" as an unknown entity.

Enable "Intel DPTF" or "Thermal Management" in BIOS/UEFI.