Gigabyte 8S661FXM-RZ. Supported memory types: DDR400/DDR333/DDR266, Maximum internal memory: 2 GB. Processor family: Intel, Processor socket: Socket 478, Processors compatible: Intel® Pentium® 4. Audio output: CMedia 9761A Codec chip. Dimensions (WxDxH): 232 x 244 mm. Networking features: ICS1883 LAN chip