Pnp0ca0 Jun 2026

Handled by the ucsi_acpi kernel module, which communicates with the system's Embedded Controller (EC). 3. Common Use Cases & Diagnostics

pnp0ca0 typically refers to an ACPI (Advanced Configuration and Power Interface) fan device. ACPI is a standard for the software interface between the operating system and the platform (hardware). The pnp0ca0 device is usually a cooling fan whose speed can be controlled by the system to manage temperature. pnp0ca0

is a specific ACPI Device ID (Advanced Configuration and Power Interface) representing a UCM-UCSI ACPI Device . It is primarily used by modern operating systems to interface with the USB Type-C Connector System Software Interface (UCSI) . Core Functionality Handled by the ucsi_acpi kernel module, which communicates