They are essential for of proprietary boards.
Ремонт материнских плат компьютеров | ВКонтакте - VK hannstar j mv4 94v0 e89382 boardview upd
Depending on the specific laptop integration, this board typically includes: E89382 Hannstar MV-4 94V-0 Schematics | PDF - Scribd They are essential for of proprietary boards