Corsair 750D - Attaching Case Fan Cables; Installing Front I;O Connectors

USB 3.0
HD AUDIO
USB 2.0
RESET SW
POWER LED +
POWER LED –POWER SW HDD LED
 
> See your motherboard’s manual for front panel header locations and pin-outs.
Installing the front I/O connectorsAttach case fan cables to motherboard headers
> See your motherboard’s manual for fan header locations.