Northbridge Chipset: Intel 945GC Southbridge Chipset:Intel ICH7 Memory Support: 4 X 1GB DDR2 533/667 Slots: One PCI-X 16x, One PCI-X 1x, two PCI 32-bit Onboard 2-Channel IDE , 4 Serial ATA 300Gbps Onboard Realtek ALC662 5.1-Channel Onboard 10/100MB Ethernet Onboard Intel Video