"HannStar" is the manufacturer of the raw PCB material (fiberglass), and "MV-4 94V-0" refers to the UL safety rating and PCB type, not the specific circuit design. Because many different laptop manufacturers use this same HannStar PCB material, searching by "E89382" alone often leads to multiple unrelated devices. How to Identify Your Specific Board
: A UL (Underwriters Laboratories) flammability rating indicating that the plastic material will self-extinguish within 10 seconds during a vertical flame test. Hannstar J Mv-4 94v-0 E89382 Boardview-
is a widely utilized PCB (Printed Circuit Board) substrate found across various laptop brands, including ASUS, Acer, and HP. If you are a technician or an electronics hobbyist, finding a file for this specific marking is critical for diagnosing hardware failures and performing precise board-level repairs. What is a Boardview File? "HannStar" is the manufacturer of the raw PCB