Clark TK40 v TK40s - visual differrences?

[Black Knight]

Hi.

I bought a Clark TK40 board ready to fit into my Challenger 2 but I need to know if it is the S version or not. Is there any way I would be able to tell visually (eg my board does not have a switch socket inboard from the power socket)

[tomhugill]

Nope it's a firmware difference. Some have the model details in pen drawn on.

[maxmekker]

Hi.

I bought a Clark TK40 board ready to fit into my Challenger 2 but I need to know if it is the S version or not. Is there any way I would be able to tell visually (eg my board does not have a switch socket inboard from the power socket)

Did you order as sbus ? the store you got it from should know what they shipped to you

they all come with 4 wires now , but only 1 is used ( if) sbus vers of Board