T-P5G31 user's manual
Page 16
... Enhanced Output/Center. 20. Side surround speakers. This purple 6-pin connector is for a PS/2 keyboard. 24. Expansion slot covers. Expansion slots. Rear surround speakers. This green 6-pin connector is for a PS/2 mouse. 22. This port connects a mouse, modem, or other devices that allow convenient connection of this slot when installing expansion...
... Enhanced Output/Center. 20. Side surround speakers. This purple 6-pin connector is for a PS/2 keyboard. 24. Expansion slot covers. Expansion slots. Rear surround speakers. This green 6-pin connector is for a PS/2 mouse. 22. This port connects a mouse, modem, or other devices that allow convenient connection of this slot when installing expansion...