Dell E93839 Ga0402 Motherboard Specs Upd Today

  • RAID Support: Not supported on the H61 chipset/OptiPlex 390 platform.

    • | Feature | Details | |-----------------------|---------| | Chipset | Intel Q87 Express (for OptiPlex 7020) or H81 (for 3020 variant – verify sticker) | | CPU Socket | LGA 1150 | | Supported CPUs | 4th Gen Intel Core (Haswell): i3, i5, i7, Pentium, Celeron | | RAM | 4 x DDR3 DIMM slots, up to 32GB, 1600MHz (non-ECC) | | Expansion Slots | 1 x PCIe x16, 1 x PCIe x4, 1 x PCIe x1, 1 x PCI (legacy) | | Storage | 4 x SATA 3.0 (6 Gbps) | | Rear I/O | PS/2 (keyboard/mouse), 4 x USB 3.0, 2 x USB 2.0, RJ-45, VGA, DisplayPort, audio jacks (line out, mic) | | Internal headers | Front USB 3.0, USB 2.0, audio, COM port (optional), chassis fan, CPU fan | | Power connector | 24-pin ATX + 4-pin CPU | | Network | Intel I217-LM Gigabit Ethernet | | Audio | Realtek ALC3220 (High Definition Audio) |

    | 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. | dell e93839 ga0402 motherboard specs upd

    The motherboard supports Dual-Channel DDR3 memory architecture. RAID Support: Not supported on the H61 chipset/OptiPlex

  • ECC Support: Non-ECC Unbuffered memory only.

    • Unlike standard ATX motherboards, the Dell E93839 uses: ECC Support: Non-ECC Unbuffered memory only

    Update from repair logs (2025): Do not use a standard ATX power supply with this board unless it is from Dell (e.g., Dell L305P-01). Off-brand PSUs often lack the proper -5V rail or have different power-good timing, causing random shutdowns.

    Date: October 26, 2023 Subject: Detailed Specifications and Compatibility Analysis Part Numbers: E93839, GA0402, CN-0GA0402