To find the exact schematic, you need your specific motherboard part number (usually a 5-digit code like 0GM819 or D517D ) located near the barcode. Common Motherboards with the E93839 Mark
The "E93839" code found on your motherboard is not actually a Dell-specific model number; UL safety certification number dell e93839 motherboard schematic link
The E93839 uses several Dell-specific connectors that differ from standard ATX boards: To find the exact schematic, you need your