I'm not getting sound in Dune either, although Dune 2 and Prince of Persia 2 work fine to me. My system is: Motherboard - Asus P4S800D Processor type and speed - Pentium 4 3.0 w/ HT Amount and type of RAM - 1024 DDR400 (2x512, dual channel) Video board w/ RAM amount and type - ASUS 9600XT/TD 128 Mb …