... card readertrack1&2 or track2&3Interface: 4 com port, 1 parallel port, 1 VGA port,1 PS2 keyboard port,1PS2 mouse port, RJ45 network port(1.6G ... CPU with 1 ; 2.0G CPU with 2)1 RJ11 cash drawer port (optional) , 2 audio port ,6 USB 2 ... .0 port ( 2 in the front, 4 ...