
13)CD_IN (CD In Connector)
You may connect the audio cable that came with your optical drive to the header.
1 

| Pin No. | Definition | 
| 1 | |
| 2 | GND | 
| 3 | GND | 
| 4 | |
| 
 | 
 | 
14)SPDIF_IO (S/PDIF Out Header)
This header supports digital S/PDIF out. Via an optional S/PDIF out cable, this header can connect to an audio device that supports digital audio in. For purchasing the optional S/PDIF out cable, please contact the local dealer.
| 
 | 
 | Pin No. | Definition | 
| 5 | 1 | 1 | Power | 
| 
 | 
 | 2 | No Pin | 
| 6 | 2 | 3 | SPDIF | 
| 
 | 
 | 4 | SPDIFI | 
| 
 | 
 | 5 | GND | 
| 
 | 
 | 6 | GND | 
Pin 1 (the red wire) of the S/PDIF out cable must align with pin 1 of the SPDIF_IO header. Incorrect connection may render the device unusable or even result in damage to the device.
| - 27 - | Hardware Installation | 
