For users looking to transition an old office PC into a budget gaming rig or a home server, the expansion layout offers the essentials for dedicated hardware.
Typically uses proprietary HP 6-pin or 4-pin power connectors rather than the standard ATX 24-pin connector.
I can provide the exact compatibility steps or adapter requirements for your project.
The motherboard is a proprietary board most commonly found in the HP Compaq 8200 Elite series and similar business-class desktops. Key Technical Specifications Feature Form Factor hp fxn1 e93839 motherboard specs updated
What or graphics card do you want to install? What HP desktop model did this motherboard come out of? Are you trying to move this board to a new PC case?
Standard ATX power supplies use a 24-pin main power cable. This HP board uses a alongside a standard 4-pin CPU power input.
For CPU upgrades, ensure your BIOS is updated for compatibility. While this board can support many LGA1155 processors, HP's OEM BIOS can be restrictive and may not officially recognize certain chips. For users looking to transition an old office
What (e.g., Compaq Pro 6300, Elite 8300) you have Which components you want to upgrade (RAM, CPU, or Storage) Your budget for these upgrades
Intel H81 / Q85 / Q87 Express (varies slightly depending on the specific HP ProDesk/EliteDesk model pre-built configuration) Processor (CPU) Support
Unlike many consumer boards, the FXN1 E93839 features a proprietary front-panel header and custom power delivery for HP’s chassis. Standard ATX cases may require rewiring of the power switch/LED connectors. The motherboard is a proprietary board most commonly
The front panel header pins (power button, reset button, hard drive LED) use a non-standard layout. HP uses a single block connector rather than individual pins. Using this board inside a standard aftermarket PC case requires custom pin mapping. Frequently Asked Questions
I can provide the exact wiring pinouts or component workarounds for your project. Share public link
series, including Small Form Factor (SFF) and Microtower (MT) models
Supports up to 64 GB (using 16GB DIMMs) on 64-bit operating systems.
| Specification | Details | |---------------|---------| | | HP FXN1 | | Part Number | E93839 | | Form Factor | Custom (AIO / Small Form Factor) | | Chipset | Intel H61 (most common) / H81 (later revisions) | | CPU Socket | LGA 1155 (H61) or LGA 1150 (H81) | | Compatible Processors | Intel Core i3/i5/i7 (2nd/3rd gen for H61; 4th gen for H81) | | RAM Type | DDR3 / DDR3L | | RAM Slots | 2 (SODIMM or DIMM depending on chassis) | | Max RAM | 16 GB | | RAM Speed | 1066 / 1333 / 1600 MHz | | Storage Interfaces | SATA 3.0 (sometimes 2.0), mSATA (some versions) | | Expansion Slots | 1x PCIe x16 (low-profile), 1x PCIe x1 | | Back I/O Ports | USB 2.0, USB 3.0 (if H81), VGA, HDMI (AIO), RJ45 LAN, Audio jacks | | Internal Headers | Front USB, Audio, Power button, SATA, Fan (custom) | | Power Connector | Custom HP 4-pin or 6-pin (not standard ATX) | | BIOS | HP proprietary (AMI core) |