HP D530 System Board Socket PGA 478B, Integrated Realtek ALC650 6-Channel AC\'97 Audio Cadec, Intergrated AGP 8x, 4 x DIMM, 3 x PCI - Full-Hight, 1 x APG, 2 x IDE. Peripheral Interfaces: 1 x VGA Port, 1 x Parallel/Printer Port, 3 x Audio Ports, 1 x LAN, 4 x USB, 1 x Serial, PS2 Mouse And Keyboard Ports