The Intel 82GL40 Graphics and Memory Controller Hub (GMCH) is part of Intel’s Mobile Intel 4 Series Express Chipset, designed for laptops and notebooks. It integrates Intel GMA 4500MHD graphics for basic multimedia playback and everyday tasks, though it is not suited for intensive gaming. Acting as the memory controller hub, it supports DDR2 memory and allows expansion for better performance. Typical outputs include VGA and sometimes HDMI or DisplayPort. With USB and SATA connectivity plus power-efficient design, it provided reliable graphics and memory management in its era.