Manufacturer: Diamond Multimedia Part#: XS51 Marketing Information. Diamond Xtreme Sound XS51 - Sound card - bit - 48 kHz - - PCI. - +. My Cart. I read somewhere online that this card was good for linux and that the actual cd that comes with the card actually linux drivers, but, I bought the. 16bit sound card with dolby digital live (1 page). Sound Card Diamond Multimedia XtremeSound XS51 Specification Sheet. 16 bit sound card (1 page).