The Dell E93839 GA0402 is a proprietary motherboard commonly found in the Dell OptiPlex 780 series. It is designed for business-class reliability and features the LGA 775 socket (Socket T), making it compatible with older Intel dual-core and quad-core processors. Core Specifications Form Factor: MicroATX (Proprietary). Chipset: Intel Q45 Express with ICH10DO. CPU Socket: LGA 775. Memory Support: Type: DDR3 SDRAM (Non-ECC only).
Maximum Capacity: Up to 8 GB or 16 GB (configuration dependent). Slots: 4 DIMM slots. Speed: Up to 1066 MHz. Expansion Slots: 1 x PCI Express x16. 2 x PCI Express x1. Connectivity & Ports
Video Output: Integrated Intel graphics with VGA and DisplayPort outputs.
USB Ports: Up to 10 USB 2.0 ports (typically 6 rear, 4 internal/front).
Storage: 4 x SATA II (3.0 Gb/s) connectors and 1 x eSATA port.
Networking: Integrated Intel 82567LM or Broadcom Gigabit Ethernet.
Legacy Support: Includes Serial (RS-232) and Parallel (IEEE 1284) ports. Upgrade Insights
CPU Upgrades: Supports Intel Core 2 Quad, Core 2 Duo, Pentium Dual-Core, and Celeron processors with a Front Side Bus (FSB) up to 1333 MHz.
GPU Upgrades: While it has a PCIe x16 slot, its compatibility with modern GPUs is limited by the system's proprietary power supply and physical chassis size (Mini-Tower vs. Small Form Factor).
OS Support: While originally shipped with Windows XP/7, these boards can typically run modern 64-bit operating systems to fully utilize more than 4GB of RAM. Dell OptiPlex DDR3 Memory Compatibility Guide
A very specific request!
The Dell E93839 GA0402 motherboard is a server-grade motherboard designed for Dell's PowerEdge servers. Here's a comprehensive write-up of its specs: dell e93839 ga0402 motherboard specs upd
Overview
The Dell E93839 GA0402 motherboard is a high-performance, server-grade motherboard designed for Dell's PowerEdge servers. It supports Intel Xeon processors and features a robust design, high-quality components, and advanced management capabilities.
Key Features
Management Features
BIOS and Firmware
Other Features
Specifications
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
Socket & CPU Support: Features an LGA 775 socket. It supports a range of older Intel processors, including Core 2 Quad, Core 2 Duo, Pentium Dual-Core, and Celeron models with a front-side bus (FSB) up to 1333 MHz.
Memory (RAM): Equipped with four DDR3 DIMM slots. While some sources list an 8GB limit, the platform is technically capable of supporting up to 16GB of non-ECC DDR3 memory (typically 1066MHz or 1333MHz) when used with a 64-bit operating system.
Chipset: Utilizes the Intel Q45 Express chipset with the ICH10DO I/O controller hub. Expansion & Connectivity The Dell E93839 GA0402 is a proprietary motherboard
Slots: Includes one PCI Express x16 slot for discrete graphics and typically two legacy PCI slots (depending on the specific chassis/form factor).
Storage: Features four SATA 3.0 Gb/s connectors for hard drives or SSDs. Rear I/O: 6 x USB 2.0 ports 1 x DisplayPort and 1 x VGA for video output 1 x eSATA port for external storage Gigabit Ethernet (RJ-45) and standard audio jacks Legacy Serial and Parallel ports Reviewer Insights Dell OptiPlex 780 Service Manual--Mini Tower Computer
The Dell E93839 (Model GA0402) Go to product viewer dialog for this item.
is a motherboard designed for the Dell OptiPlex 780 series, primarily used in the Mini Tower (MT) and Desktop (DT) form factors. It is built on the Intel Q45 Express chipset paired with the ICH10DO southbridge. Core Specifications
Socket Type: LGA 775 (Socket T), compatible with Intel Core 2 Quad, Core 2 Duo, Pentium Dual-Core, and Celeron processors. Chipset: Intel Q45 Express. Form Factor: Micro-ATX (approximately 9.6 x 9.6 inches). Memory: Slots: 4 DIMM slots. Type: DDR3 SDRAM (Non-ECC).
Maximum Capacity: Supports up to 16GB (4 x 4GB modules), though some sources list an 8GB limit depending on the specific chassis/BIOS version. Speed: 1066MHz or 1333MHz. Expansion and Storage Expansion Slots: 1 x PCI Express x16 slot for dedicated graphics. 1 x PCI Express x1 slot. 2 x PCI slots (Standard height in MT models). Storage Interfaces: 4 x SATA 3.0 Gb/s connectors. 1 x eSATA port (on rear I/O). Connectivity and Audio Rear I/O Ports: 6 x USB 2.0 ports. 1 x VGA and 1 x DisplayPort. 1 x Serial (RS-232) and 1 x Parallel (IEEE 1284) port. 1 x RJ-45 Ethernet port (Intel 82567LM Gigabit). Audio connectors: Audio-In and Audio-Out. Audio: Integrated ADI 1984A High Definition Audio. Networking: Integrated Intel 82567 Gigabit LAN. Shopping & Replacement
If you are looking to replace this board, it is widely available as a used or refurbished part under various Dell Part Numbers (DP/Ns) such as C27VV, OC27VV, or D517D.
Average Price: Typically ranges from $12 to $40 for used units on platforms like eBay.
Compatibility Note: Ensure your power supply matches the proprietary Dell connectors, as some OptiPlex 780 variants use different power configurations.
Are you planning to upgrade the CPU or expand the RAM on this specific motherboard? Dell OptiPlex 780 Service Manual--Mini Tower Computer
The Dell E93839 (GA0402) is a motherboard designed specifically for the OptiPlex 7040 series (Micro, Mini Tower, and Small Form Factor). It is a high-performance board built on the Intel Q170 chipset, designed for 6th Generation Intel Core processors (Skylake). Processor Support : The motherboard supports up to
Here is the updated specification breakdown and a helpful review regarding its performance and usability.
| Slot Type | Quantity | Notes | |-----------|----------|-------| | PCIe x16 (v2.0) | 1 | For graphics card (75W max from slot; extra power via PSU) | | PCIe x1 | 2 | For sound cards, network adapters | | PCI (32-bit/33MHz) | 1 | Legacy expansion | | Mini PCIe | 0 | Not present; uses mSATA? No – separate half-height WiFi card optional |
| CPU Model | Cores / Threads | Clock Speed | FSB | L2 Cache | Notes | |-----------|----------------|-------------|-----|----------|-------| | Intel Core 2 Quad Q9650 | 4 / 4 | 3.00 GHz | 1333 MHz | 12 MB | Maximum stable upgrade | | Intel Xeon E5450 (with LGA 771 mod) | 4 / 4 | 3.00 GHz | 1333 MHz | 12 MB | Needs microcode mod & sticker adapter | | Intel Core 2 Duo E8600 | 2 / 2 | 3.33 GHz | 1333 MHz | 6 MB | Best for single-threaded tasks | | Intel Core 2 Quad Q6600 | 4 / 4 | 2.40 GHz | 1066 MHz | 8 MB | Common cheap option; runs hot |
Update (2023–2025): Enthusiasts have successfully run Xeon E5450 and E5472 on this board after flashing a modified BIOS that adds Xeon microcodes. Without the mod, the board will beep and fail to POST. The safest route is still the Q9650.
Form Factor: The specific form factor (e.g., ATX, Micro-ATX, Mini-ITX) of the GA0402 motherboard isn't provided in the query, but it's designed for use in Dell computers, which could range from desktops to servers.
Chipset: Information about the chipset model isn't provided directly, but it's essential for determining compatibility with processors and other components.
CPU Compatibility: This motherboard likely supports specific generations of Intel or AMD processors, depending on the chipset. For accurate information, consulting Dell's documentation or product support pages is recommended.
Memory (RAM): Details about the type (DDR3, DDR4, DDR5) and maximum amount of RAM the motherboard can support are critical for upgrade purposes.
Expansion Slots: PCIe, PCI, AGP slots, etc., for adding graphics cards, network cards, and other peripherals.
Storage: SATA ports, M.2 slots, and other storage interfaces.
USB and Other Ports: The variety and number of ports (USB 2.0, USB 3.0, USB-C, etc.) for connecting peripherals.
Networking: Integrated LAN, Wi-Fi, and Bluetooth capabilities.
If you are looking to repair an OptiPlex 7040 or build a compact office rig, here is the practical "real world" review of this board.
