CPU: - Socket 462, supporting AMD Athlon, Athlon XP, Duron - FSB 400/333/266/200 MHz Chipset: - SiS 748 Memory: - DDR non-ECC, un-buffered memory - DDR400, Max. capacity of system memory: 1GB (FSB 400/333 MHz)* - DDR333, Max. capacity of system memory: 2GB (FSB 400/333/266/200 MHz) - DDR266/200, Max. capacity of system memory: 3GB (FSB 333/266/200 MHz) *According to SiS official document, SiS 748 chipset has limitation DDR supports: CPU at FSB 200MHz mode, it will NOT support DDR400 CPU at FSB 333MHz mode, it will NOT support DDR200 CPU at FSB 400MHz mode, it will NOT support DDR200/DDR266 BIOS: - 2Mb AMI BIOS with ACPI, SM BIOS 2.3.0, PnP Audio: - AC97 CODEC - 5.1 Channel LAN: - 802.3u, 10/100 Ethernet LAN, WOL supported Slots: - AGP 1, AGP 8X/4X 1.5Volt - PCI 6 slots, PCI 2.2 Connector: - IDE 2 x ATA 133/100/66/33 - Floppy 1 connector - SIR/CIR 1/0 - CPU/Chassis FAN connectors - 20 pin ATX power connector - CD/AUX/Audio in (on audio model only) - Front panel audio connector (on audio model only) ASROCK I/O: - Keyboard PS2 x1 - Mouse PS2 x1 - USB2.0 4 ports default on rear panel + 2 ports upgrade via header - Serial 1 - Parallel 1 - Game/MIDI 1 - LAN 1 x RJ45 - Audio I/O Line In/Line Out/Mic. Unique Feature: - ASRock U-COP: ASRock Universal CPU Overheating Protection - AGP/PCI frequency fix Accessories: - Quick Installation Guide - Support CD - Floppy/ATA 133/100 Cables Form Factor: - ATX Please do not forget to check with our site as often as possible in order to stay updated on the latest drivers, software and games. Note: Try to set a system restore point before installing a device driver. It will help you restore system if installed driver not complete.