The PCB manufacturer. This is not the laptop model but the maker of the physical board.
In short, it is a , commonly used in mainstream HP, Samsung, or Toshiba laptops from the 2010s era. 2. Locating the Real Motherboard Model
: Unofficial diagrams created through reverse engineering are occasionally available on community sites like or specialized repair forums. Archived Files Hsb J Mv-6 94v-0 E89382 Schematic Pdf
A schematic is not a physical map; it is a logical diagram showing how components are electrically connected. It doesn't tell you where the resistor is, but rather which pins it connects to.
The "E89382" marking is the UL (Underwriters Laboratories) File Number. A UL File Number is a unique code assigned by UL to a specific manufacturer (in this case, HannStar) for a family of products or a specific manufacturing process. Searching for this number in UL's official database can sometimes confirm the manufacturer and help you find related products from the same production line. The PCB manufacturer
: This is a tracking code often associated with specific OEM board manufacturers, frequently linked to Foxconn or HannStar board fabricators.
If you manage to find the files, they might come in a format called a "Boardview" ( .bdv , .brd , .cad ). Boardview files are highly useful because they provide an interactive 3D map of the physical board, allowing you to click on a component pin to see exactly where the trace leads. Download free tools like or PCBRepairTool to open these assets. Safety and Practical Tips for Board Repair It doesn't tell you where the resistor is,
This specific PCB marking is frequently found in several HP laptop lines. If you have one of these models, you can search for the schematic using the model name:
Look for codes like DA0U83MB6E0 , DA0VM7MAB6E1 , or DA0R53MB6E1 (Format: DA0xxxMBxxx ).
The identifier refers to a multilayer printed circuit board (PCB) manufactured by HannStar Board Corp . While "E89382" is a UL certification code for the manufacturer, "HSB J MV-6" specifically denotes the board's revision and material compliance. These boards are most commonly found as primary or daughterboard components in HP EliteBook, ProBook, and Envy laptops. Understanding the Identification Codes
: Often hosts community-uploaded PDF schematics for older hardware. Dr-Bios.com