0 [verified]: Acpi Prp0001
When a manufacturer wants to reuse an efficient Linux Device Tree driver inside an x86 ACPI firmware environment without completely rewriting the driver, they use a special bridge. The ACPI specification introduces a unique Hardware ID: .
DefinitionBlock ("ssdt.aml", "SSDT", 2, "HACK", "PRP0001", 0x00000001)
) Use code with caution. Copied to clipboard acpi prp0001 0
In Device Manager, right-click the unknown PRP0001 device and select .
The PRP0001 ID tells the Linux kernel: "Look inside this device's properties for a standard Linux 'compatible' string to find the right driver." 🛠️ Performance & Functionality When a manufacturer wants to reuse an efficient
: In the Linux ecosystem, hardware is mapped using Device Trees via a property called compatible . The ACPI standard introduced PRP0001 as a universal hardware ID. It tells the OS kernel: "Read the Device Specification Data ( _DSD ) block to figure out what driver this device actually needs."
Hardware engineers can wire a new I2C or SPI sensor to an x86 motherboard. Instead of hacking the BIOS to make the OS recognize it, they can load a tiny ACPI overlay containing PRP0001 and the sensor's Device Tree name. 3. Better ARM Server Support Copied to clipboard In Device Manager, right-click the
For (like Pixelbooks), look for the Google Audio SPI Device driver .
or power management features that lack official Windows-signed drivers. Chromebooks : It often points to specialized components like specific LED controllers How to fix it Steam Deck users : Ensure you have installed the latest APU and SD Resources drivers official Steam Deck Windows Resources page Chromebook/Other : Check the manufacturer's support site (e.g., HP Support ) for specific chipset or "Serial IO" drivers. Linux users : This is usually handled automatically by the kernel's acpi_scan_handler Google Groups Are you seeing this ID in Windows Device Manager on a specific handheld or laptop?