Drag to orbit, scroll or pinch to zoom, right-drag to pan. Amber lines drop from each plug hole to its pin; red lines mark holes with no pin under them.
Where the ardubdm 10-way IDC plug goes on the ECU. Hold the ECU with the edge connector and heatsink away from you: the CPU sits in the middle and the BDM header just below it, at the near edge. T5 and T7 sit the same way.
Drag to orbit, scroll or pinch to zoom, right-drag to pan. Amber lines drop from each plug hole to its pin; red lines mark holes with no pin under them.