The Lenovo IdeaCentre A540-24API AIO Motherboard System Board, model 01LM887, is designed for use with Intel CPUs and features an LGA 1151/Socket H4 socket type. It has two memory slots supporting DDR4 SDRAM memory, as well as various input/output ports including HDMI, Ethernet (RJ-45), and USB 2.0. The motherboard also includes an on-board video chipset, providing integrated graphics capabilities for the computer system.