Asrock K7Upgrade-600 Socket A(462) for AMD processor. Maximum internal memory: 2 GB. Dimensions (WxDxH): 305 x 208 mm. Controller (2nd) interface type: Southbridge: VIA 8237, Controller interface type: Northbridge: VIA KT600, RAID levels: 0, 1. Networking features: VIA 6103 10/100 Ethernet LAN PHY. Audio output: CMedia CMI9761A 6 channel AC"97 audio codec