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Compatibility classes
Notebooks
Class A (Platinum)

All the notebook devices work with a very good performance.

Example: all the devices work, the 3D acceleration is supported

Class B (Gold)

All the notebook devices work but not at full performance.

Example: All the devices work, but the 3D acceleration is not supported

Class C (Silver)

One main device is not supported.

Example: The internal wifi card does not work. You either need to modify the BIOS or use an external USB card

Class D (Bronze)

More than one device is not supported

Class E (Garbage)

The notebook does not work with free software

Printers
Class A (Full)

All device functions and features are supported

Class B (Partial)

Printing supported but possibly at limited speed or print quality; scanning and/or faxing on some multifunction devices may not be supported

Class C (None)

The printer does not work with free software

Scanners
Class A (Full)

All device functions and features are supported

Class B (Partial)

Scanning supported but possibly at limited speed or quality; some other features may not be supported

Class C (None)

The scanner does not work with free software

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