ASROCK H81M-VG4 R4.0 Manual De Instrucciones página 6

** Function of the Audio Ports in 7.1-channel Configuration:
Port
Light Blue (Rear panel)
Lime (Rear panel)
Pink (Rear panel)
Lime (Front panel)
4
Function
Rear Speaker Out
Front Speaker Out
Central /Subwoofer Speaker Out
Side Speaker Out