Dell E93839 Ga0402 Motherboard Specs Upd ((exclusive)) -

Up to 10 USB 2.0 ports (typically 6 rear, 4 internal/front).

| Problem | Solution | |---------|----------| | No POST after CPU upgrade | Clear CMOS (jumper or battery removal). Update to BIOS A12 first. | | Front panel wiring confusion | Use Dell OptiPlex 790 pinout diagram (Power SW: pins 4 & 6 on header). | | Fan runs at 100% | Wrong fan header – use CPU_FAN for CPU cooler; SYS_FAN for case fan. | | GPU not recognized | Disable Secure Boot; force Legacy ROM in BIOS. |

Intel Core 2 Quad, Core 2 Duo, Pentium Dual-Core, and Celeron.

balances classic desktop architecture with multi-core processing capabilities. Detailed Specification GA0402 / 0C27VV / E93839 Form Factor MicroATX / Desktop Tower (DT) CPU Socket Type LGA 775 (Socket T) Chipset Intel Q45 Express w/ ICH10DO Memory Support 4 x DDR3 DIMM Slots (Non-ECC, Dual Channel) Maximum RAM Up to 8GB or 16GB (Configuration dependent) Storage Ports 4 x SATA II (3.0 Gbps) connectors Network LAN Integrated Intel 82567LM Gigabit Ethernet Audio ADI 198x High Definition Audio Processor and CPU Support dell e93839 ga0402 motherboard specs upd

Intel Q45 Express chipset paired with the ICH10DO (I/O Controller Hub). This combination delivers native support for vPro technology, advanced security properties, and robust data handling.

Front Side Bus (FSB) speeds scaling up to 1333 MHz , matching the highest tier of compatible legacy processors. Processor (CPU) Compatibility

: Features 4 physical DIMM slots allowing for a true dual-channel architecture setup. Up to 10 USB 2

Unlike standard ATX motherboards, the uses:

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

: 4 x 240-pin DIMM slots supporting dual-channel mode. Memory Type : DDR3 Non-ECC Unbuffered SDRAM. | | Front panel wiring confusion | Use

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This motherboard uses . This is good news for upgraders, as DDR3 is affordable and widely available on the used market.