Sound Configuration The system board includes integrated 16-bit sound capabilities, controlled by the Yamaha YMF701 OPL3-SA FM synthesizer chip. Sound options are configured through CMOS Setup. Ports From left to right (top to bottom on tower units), the audio ports are: - Microphone - Line In - Speaker Out - Joystick / MIDI Port Cabling J9H1 CD-ROM Drive Audio J9G2 Audio I/O Connector * J9G1 Wave Table Connector J9F1 Voice Modem audio Connector J3 Voice Modem audio Connector (from Audio Port PCB) * The audio ports are on a separate PCB that cables to the system board at location J9G2.