Elias found it at the bottom of a surplus crate at a liquidation auction in Shenzhen. No box, no manual, just the board itself: a matte green slab etched with silver rivers. In the corner, a white silkscreen read .

Like all motherboards, the MV-4 has a CR2032 coin cell battery.

Look for codes like "DA0R53MB6E0" or "LA-5911P." Technical Specifications and Compatibility

Verify the onboard CPU and GPU configuration (some models come with integrated Intel graphics, while others feature dedicated NVIDIA or AMD chips).

HannStar's primary business was as an ODM, meaning it designed and manufactured motherboards that were then sold to other brands, including Hewlett-Packard (HP), Acer, Dell, Toshiba, and Sony. This is why the "K MV-4 94V-0" designation is often discussed in forums alongside mentions of laptops from Acer, HP, Compaq, Fujitsu Siemens, and Medion [0†L32-L33][2†L10][3†L16].

Because variations exist, the true identity of your board relies on a secondary sticker (such as an Intel, HP, or Dell part number like DA0S48MB6C1 or 48.5J703.011 ). However, the core power delivery and structural properties of the HannStar K MV-4 94V-0 platform share a highly uniform architecture: Typical Technical Standard Multilayer FR-4 Glass Epoxy (MV-4 Spec) Flammability Rating UL 94V-0 (Self-extinguishing) Power Inputs Main 12V DC Input rail Voltage Rails 5.0V, 3.3V, 1.5V, 1.0V, 0.9V, and 0.6V RAM Support Variable; typically DDR3 or DDR4 SDRAM (2 to 4 slots) Expansion Interface PCIe x16, Legacy PCI lanes, or proprietary I/O Power Sequencing Framework

The markings "HannStar" and "MV-4 94V-0" refer to the (the physical circuit board material) and its flammability safety rating , respectively. This same PCB base is used for dozens of different laptop and device motherboards.

: Check for "cracked solder joints," a common issue on older HannStar PCBs. Some users have successfully revived these boards by reflowing (reheating) specific areas, though this is a high-risk temporary fix.

Because the Hannstar K MV-4 94V-0 serves as a foundation for various manufacturers, its specific hardware specs can vary. However, common configurations found in laptop and industrial versions include:

The HannStar K MV-4 94V-0 Go to product viewer dialog for this item.