Gateway A87987-603 Socket 775 system board (motherboard) for desktop platforms. Supports Intel Core 2 Duo, Core 2 Quad, Pentium D, and Pentium 4 processors. Part number A87987-603 is a standard ATX or micro-ATX form factor board with integrated chipset connectivity and legacy PCI/PCIe expansion slots typical of mid-2000s Gateway systems. Commonly found in Gateway DX, SX, or similar desktop models from that era, this board handles DDR2 memory and provides standard IDE/SATA connectivity for storage devices. Suitable for retro computing builds, legacy system restoration, or environments requiring Windows XP/Vista/7 hardware compatibility. This unit has been tested and guaranteed fully functional; available via quote from G5 Network Group.