Asus P4BP-MX - Manual (Page 30)

1-20 Chapter 1: Product introduction
10. Digital Audio connector (6-1 pin SPDIF_OUT)
This connector is for the S/PDIF audio module to allow digital sound output.
Connect one end of the S/PDIF audio cable to this connector and the other
end to the S/PDIF module.
9. GAME/MIDI connector (16-1 pin GAME1)
This connector supports a GAME/MIDI module. If a GAME/MIDI module is
available, connect the GAME/MIDI cable to this connector. The GAME/MIDI
port on the module connects a joystick or a game pad for playing games, and
MIDI devices for playing or editing audio files.
The GAME/MIDI module is purchased separately.
P4BP-MX 2.0
P4BP-MX 2.0 Game Connector
GAME1
+5V
+5V
J2B1 J2CX
MIDI_OUT
J2CY J2B2
MIDI_IN
J1B1 J1CX GND GND J1CY J1B2 +5V
P4BP-MX 2.0
P4BP-MX 2.0 Digital Audio Connector
+5V SPDIFOUT GND
SPDIF_OUT