Which ISP Shield do I have?
Not sure which version you have? Consult this handy guide!
ISP Shield v 1.0 has a single 3-prong jumper location in the lower-left corner, with options reading "Yup," "Target Power?," and "Nope." The label on the left side of the board reads "Evilmadscience.com" / "ISP Shield."
ISP Shield v 2.0 has two single 3-prong jumper locations in the lower-left corner. It also reads "ISP SHIELD 2.0" on the left hand side of the board.