Description Intel BOXD850MDL ATX Pentium 4 Motherboard w/ LAN. The Intel D850MDL Retail Boxed Motherboard includes the manuals, cables, and a 3 year warranty. Based on the Intel 850 chipset and supports Intel Pentium 4 400MHz Bus speed. MicroATX form factor. Intel D850MDL Chipset; on-board ADI 1885 audio; 4X AGP; on-board LAN.