: 1x PCIe x16 slot, 2x PCIe x1 slots, and multiple SATA 2.0 or 3.0 ports.
: Often Intel Q45 (for OptiPlex 780) or G41 (for OptiPlex 380). : Usually 8GB (OptiPlex 380) or 16GB (OptiPlex 780). www.compuram.biz Quick questions if you have time: Looking for a specific repair trace? Was the PDF link helpful? dell optiplex 780 sff e93839 ga0404 Schematic
Use the schematic to trace the voltage from the 12V_PWRCONN to the CPU phases.