ASUS PCI-AS300 User's Manual 3(Precautions)III. INSTALLATION1. Speaker out2. Volume Control3. Microphone Input4. Line Input5. Game Port / MIDI connector6. Adaptec SCSI 7880 Chipset7. Creative Labs 16C Chipset8. Wave Table Upgrade9. Panasonic CD Audio Input123546 789101112131415161710. Mitsumi CD Audio Input11. Sony CD Audio Input12. PCSpeaker Input13. 8-bit Fast SCSI 50 pin connector14. 16-bit Wide SCSI 68 pin connector15. Amplifier Enable / Disable Jumper16. SCSI Activity LED17. External LEDLayout and Connectors of the PCI-AS300CD-Audio Connector Pin DefinitionsPANASONIC SONY MITSUMI1 Left Signal 1 Right Signal 1 GND2 GND 2 GND 2 Left Signal3 Right Signal 3 GND 3 GND-------------------- 4 Left Signal 4 Right SignalPC Speaker In PC Speaker Out1 Mono Signal 1 Right Signal2 GND 2 GND-------------------- 3 Left Signal-------------------- 4 GNDIII. INSTALLATION