Part of the software support needed for PCMCIA (PC Memory Card International Association) hardware devices in a portable computer, controlling the interface to the hardware.
Socket services is the lowest layer in the software that manages PCMCIA cards. It provides a BIOS-level software interface to the hardware, effectively hiding the specific details from higher levels of software. Socket services also detect when you insert or remove a PCMCIA card and identify the type of card.
See also card services.