6. Rear I/O Ports (Integrated)

• PS/2: 2 (keyboard + mouse)
• VGA: 1 (D-Sub)
• DisplayPort: 1 (optional on some revisions)
• USB 2.0: 6-8 (typically 4 rear, 4 internal headers)
• USB 3.0: None (Q65 chipset lacks native USB 3.0 – add via PCIe card).
• Audio: 3 x 3.5mm jacks (Line-out, Line-in, Mic) – Realtek ALC269/ALC662.
• Ethernet: 1 x Gigabit (Intel 82579LM).
• Serial Port: 1 (DB9 male) – optional on header.

In conclusion, the Dell E93839 GA0402 motherboard specs include: dell e93839 ga0402 motherboard specs upd

The Dell E93839 GA0402 is a legacy workstation motherboard primarily found in the Dell OptiPlex 780 series. Built on the Intel Q45 Express chipset, it is a reliable but dated platform designed for business environments and casual computing.  Core Specifications  The Dell E93839 (GA0402) Go to product viewer

The board is primarily designed for the Intel Core 2 family. To ensure compatibility, verify that your processor does not exceed the thermal limits of the OptiPlex chassis cooling system. Dell OptiPlex 780 Service Manual--Mini Tower Computer PS/2: 2 (keyboard + mouse) VGA: 1 (D-Sub)