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10k | Resistor | | | | S1 | 1 | 1 | B10k | Potentiometer | | U2 | 1 | Conn_01x04 | Pin header, 2.54 mm, 1x10 Pin header, 2.54 mm, 1x4 | | | | S3 | 1 | SW_Push | Push button switch, generic, two pins | Dailywell | PAS6B2M1CESG2-5, PAS6B2M4CESG6-5, or PAS6B2M4CESG6-5 | Tayda | A-559 | | | R3, R21, R27, R28 | 4 | 100 nF | Unpolarized capacitor | | R16, R17, R19, R20 **Potentiometer, 9 mm vertical board mount OR: | | | Tayda | A-826 | | | S3 | 1 | B10k | Potentiometer | | | S1 | 1 Fireball/Fireball.kicad_pcb | 2 Smaller cap (476nF?) for C1 - Ceramic 104s for C10, C14, might be fine, might introduce intermittents - Don't put R8 so close to R26 -- D36/R47 too close Testing before powering up: Clock In Normal - 1k to U2-8 (AND NOT short to U2-10 - Clock in socket with 80 contacts (40 each side), through-hole, http://www.4uconnector.com/online/object/4udrawing/10156.pdf 4UCON 10156 Card edge socket with 80 contacts AT ISA 16 bits Bus Edge Connector 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=25 PCIexpress Bus Edge Connector x1 http://www.ritrontek.com/uploadfile/2016/1026/20161026105231124.pdf#page=70 Highspeed card edge connector for 1.6mm PCB's with 40 contacts (polarized Highspeed card edge connector for 2.4mm PCB's with 05 contacts (polarized Highspeed card edge connector for 1.6mm PCB's with 30 contacts (not polarized Highspeed card edge connector for PCB's with 08 contacts (polarized conn samtec card-edge socket high-speed 0.8 mm Highspeed card edge connector for 2.4mm PCB's with 05 contacts (not polarized Connector PCBEdge molex EDGELOCK Generic Phoenix Contact connector footprint for: MSTBA_2,5/7-G; number of pins: 04; pin pitch: 5.00mm; Angled || order number: 1836299 8A 320V Generic Phoenix Contact connector footprint for: GMSTBA_2,5/5-G-7,62; number of pins: 02; pin pitch: 7.62mm; Angled; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x6.5 C or ISO 7049-ST 2.2x6.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1757475 12A || order number: 1843350 8A 160V Generic Phoenix Contact connector footprint for: MSTBVA_2,5/12-G-5,08; number of pins: 04; pin pitch: 5.08mm; Angled; threaded flange; footprint includes mount hole for mounting.

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