Intel PIIX4M

The Intel PIIX4M is a southbridge chipset designed for mobile platforms, part of the PIIX4 series. It provides basic I/O connectivity with two USB 2.0 ports and no SATA III ports, indicating support for older storage interfaces. This chipset is typically paired with Intel Pentium or Celeron processors from the late 1990s to early 2000s, used in laptops and embedded systems.