Compaq 277477-001 desktop motherboard designed for legacy systems requiring socket-based processor compatibility and standard form factor mounting. Features integrated chipset with support for DDR memory, standard PCI/ISA expansion slots, and onboard audio/network connectivity typical of Compaq desktop platforms from the early 2000s era. Part number 277477-001 is compatible with Compaq Presario and similar desktop configurations of that generation. Common applications include office workstations, general-purpose computing, and system rebuilds where original OEM components are preferred. Refurbished unit has been tested and guaranteed by G5 Network Group; available via quote request.