... )Multi-media system:amplifier; stereo Loudspeaker; magnetic-proof,net card, sound card,integrated display card, Operation system: Windows2000/XP/Vista/Win7, RedHatLinux/FedoraCorePower supply ... connection, Optional accessories: *Barcode reader, Non-contact IC/ID card reader,Credit card reader.*Coin/Bill acceptor.*16bit/64bits Metal Keyboard, stainless ...