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An update for anyone considering purchasing the GVision external touch screen.

GVision have changed the hardware in newer models of the P15BX-AB, but not up issued the model number.

The newer units will not work with the existing linux drivers for the Touch Screen at present.

The way to differentiate between models which will and will not work correctly is the “configuration” of the unit – which is located on the rear of the GVision screen.

Configuration 23C2-AU43N-GU04-A(G2) works correctly.
Configuration 2CH2-AU47B-GU04-A(G2) does NOT work correctly.

The latter is the newer model.

GVision indicate it may be possible to order the older configuration directly from them until a solution can be found.