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Non-circular holes in footprints whenever possible; some fabs charge more for ovals - make power connection traces larger; MK uses a ground plane. - when pressed, short +12V and Reset In socket Reset Socket to U3-3 = capacitor measurement roughly 15nF (has a resistor footprint between +12V and Reset In Pause CV In - diode to U2-3 - Clock in socket with 80 contacts AT ISA 16 bits Bus Edge Connector BUS ISA AT Edge connector PCI bus Edge Connector Mini-PCI Express bus connector (https://s3.amazonaws.com/fit-iot/download/facet-cards/documents/PCI_Express_miniCard_Electromechanical_specs_rev1.2.pdf#page=11 Mini-PCI Express bus connector full size with clips (https://s3.amazonaws.com/fit-iot/download/facet-cards/documents/PCI_Express_miniCard_Electromechanical_specs_rev1.2.pdf#page=24 Mini-PCI Express bus connector full size with dual clips (https://s3.amazonaws.com/fit-iot/download/facet-cards/documents/PCI_Express_miniCard_Electromechanical_specs_rev1.2.pdf#page=28 Mini-PCI Express bus connector half size with clips (https://s3.amazonaws.com/fit-iot/download/facet-cards/documents/PCI_Express_miniCard_Electromechanical_specs_rev1.2.pdf#page=24 Mini-PCI Express.

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