The Yansheng Xinkong QM9400/QM9500 motherboard manual provides specifications, connector pinouts, and installation details for this DC thin‑type board.
This manual describes the QM9400/QM9500 DC ultra‑thin motherboard built on an Intel Haswell‑U platform. It outlines supported 4th‑ and 5th‑generation Intel Core i3, i5, and i7 CPUs, Mini‑ITX form factor, memory, storage, networking, and display capabilities.
Detailed sections cover pin definitions for COM ports, USB, HDMI, SATA, and other onboard interfaces, as well as power requirements, operating temperature range, and optional OPS expansion. The document serves as a reference for system integrators and end users installing or configuring the board. This manual is written in Chinese.
| Form factor | Mini‑ITX 170mm x 170mm |
|---|---|
| CPU support | 4th‑ and 5th‑gen Intel Core i3/i5/i7 |
| Memory | 1× SO‑DIMM DDR3L‑1600, up to 8 GB |
| Storage interfaces | 2× SATA3.0, 1× mSATA3.0 |
| Network | Realtek RTL8111F gigabit Ethernet (optional dual LAN) |
| Audio | Realtek ALC662 HD codec with line‑in, line‑out, mic‑in |
| Power input | DC 12 V / 19 V |
| Operating temperature | -10 °C to 60 °C |
| Expansion slots | 2× Mini‑PCIe (supports Wi‑Fi/3G/4G, mSATA, GPS) |
It supports 4th‑generation i3‑4005U, i5‑4210U, i7‑4510U and 5th‑generation i3‑5005U, i5‑5287U, i7‑5500U processors.
The board has six COM ports; COM1/2 pins can output 5 V or 12 V power.
Yes, a dual‑LAN option is available, providing two gigabit Ethernet interfaces.
It offers HDMI (4K), VGA, and LVDS outputs, supporting three‑screen simultaneous display.