The motherboard features two PCIe x16 slots, one of which is likely to be an x8 or x4 configuration. There are also multiple SATA ports, M.2 slots, and a U.2 connector for storage options.
A schematic diagram is the electrical roadmap of a circuit board. Specifically, the MS-16J91 schematic is a detailed PDF document (usually 40-60 pages) that contains: ms-16j91 schematic
MSI, like most laptop manufacturers, does not release these to the public. They are reserved for authorized service centers. However, through industry leaks and repair communities, they become available for board-level repair. The motherboard features two PCIe x16 slots, one
USB 3.0, HDMI, Mini-DisplayPort, audio jacks (ALC269 or ALC1220 codec), Ethernet (Realtek RTL8111), and SD card reader. MSI, like most laptop manufacturers, does not release