
EVGA
Audio
The audio connector supports HD audio standard and provides two kinds of audio output choices: the Front Audio, the Rear Audio. The front Audio supports 
v Pin Assignments
| Connector | Pin | Signal | Pin | Signal | 
| 
 | 1 | PORT1_L | 2 | AUD_GND | 
| 
 | 3 | PORT1_R | 4 | PRECENCE_J | 
| 
 | 5 | PORT2_R | 6 | SENSE1_RETURN | 
| 
 | 7 | SENSE_SEND | 8 | Empty | 
| 
 | 9 | PORT2_L | 10 | SENSE2_RETURN | 
COM1
The motherboard kit provides an additional serial COM header for your machine. Connect one side of a switching cable to the header and then attach the serial COM device to the other side of the cable.
v Pin Assignments
| Connector | Pin | Signal | Pin | Signal | 
| 
 | 1 | DCD (Data Carrier Detect) | 2 | DSR (Data Set Ready) | 
| 
 | 3 | RXD (Receive Data) | 4 | RTS (Request to Send) | 
| 
 | 5 | TXD (Transmit Data) | 6 | CTS (Clear to Send) | 
| 
 | 7 | DTR (Data Terminal Ready) | 8 | RI (Ring Indicator) | 
| 
 | 9 | GND | 10 | No Connect | 
