| Device ID | Description |
| PNP0800 | AT-style speaker sound |
| PNP0B00 | AT real-time clock |
| PNP0C00 | Plug and Play BIOS (only created by the ROOT enumerator) |
| PNP0C01 | System board |
| PNP0C02 | General ID for reserving resources required by Plug and Play system board registers (not specific to a particular device) |
| PNP0C03 | Plug and Play BIOS event notification interrupt |
| PNP0C04 | Math co-processor |
| PNP0C05 | Advanced Power Management (APM) BIOS (version-independent) |
| PNP0C06 | Reserved for identification of early Plug and Play BIOS implementation |
| PNP0C07 | Reserved for identification of early Plug and Play BIOS implementation |
| PNP0C08 | ACPI system board hardware |
| PNP0C09 | ACPI embedded controller |
| PNP0C0A | ACPI control method battery |
| PNP0C0B | ACPI fan |
| PNP0C0C | ACPI power-button device |
| PNP0C0D | ACPI lid device |
| PNP0C0E | ACPI sleep-button device |
| PNP0C0F | PCI interrupt link device |
| PNP0C10 | ACPI system indicator device |
| PNP0C11 | ACPI thermal zone |
| PNP0C12 | Device Bay Controller (DBC) |