Target Keyword: dell e93839 motherboard schematic link Word Count: ~1,200 Difficulty Level: Intermediate (Repair Technicians, Hobbyists, IT Refurbishers) Introduction: Why the Dell E93839 (CN-0JVT3) Matters The Dell E93839 (often labeled as part number CN-0JVT3 or 0JVT3 ) is a micro-ATX motherboard primarily found in the Dell OptiPlex 790 , 990 , and some 3010 / 7010 series business desktops. This board is based on the Intel Q67 or Q77 Express chipset and supports 2nd and 3rd generation Intel Core processors (Sandy Bridge/Ivy Bridge).