If you are repairing a system based on this motherboard, the following parts are commonly associated with the OptiPlex 780:
At the command center of the GA0402 is the . This chipset was designed for corporate environments, balancing performance with robust management features. A key limitation you'll encounter is its memory support: the Q43 chipset natively supports DDR3 memory, and by extension, determines the motherboard's maximum capacity and speed. dell e93839 ga0402 motherboard specs upd
: You cannot mix DDR2 and DDR3. The physical notches on the modules are in different locations. Visually inspect the slots: if the motherboard says "DDR3" next to the slot, buy DDR3. If you are repairing a system based on
For more information on the Dell E93839 GA0402 motherboard, please refer to the following resources: : You cannot mix DDR2 and DDR3
The proprietary nature of Dell motherboards from this era means using a standard ATX power supply is difficult without special adapter cables. It is best to use a compatible Dell PSU if replacing one.
Below are the updated technical specifications for this motherboard: Chipset: Intel Q45 Express with ICH10DO. Processor Socket: LGA 775 (supports FSB up to 1333 MHz). Form Factor: MicroATX (Proprietary Dell design). Processor Support