... x PS/2 mouse,1 x parallel port, 1 x serial port, 4 x USB 2.0 ports,11) 1 x ... : 20-pin ATX power supply connector,4-pin ATX 12V power supply connector, 1 x Floppy connector-support two360K~2.88MB FDDs 1 ... .0 ports, 1 x frontpanel switch / LED header, 2 x Serial ATA connectors, CPU / SYS FANheaders, 1 x USB card reader header ...