EVGA 112-CK-NF70 Manual De Usuario

 
 
  
Audio  

The audio connector supports the HD audio standard.  Most cases come with a 10 pin 
standard block which will align and plug directly in to the header.  In some cases there will 
be individual plugs which will need to be plugged in.   

Table 1. 

Front Audio Connector 

 

Front Audio Connector 

1 

PORT1_L - Analog Port 1 -  left channel (Microphone) 

2 

AUD_GND - Ground 

3 

PORT1_R – Analog Port 1 – right channel (Microphone) 

4 

PRESENCE# - Active signal that indicates FP audio is present  

5 

PORT2_R – Analog Port 2 -  right channel (Headphone) 

6 

SENSE1_RETURN – Jack detection return for front panel (Jack1) 

7 

SENSE_SEND – Jack detection sense line 

8 Empty 
9 

PORT2_L – Analog port 2 – left channel (Headphone) 

10 

SENSE2_RETURN – Jack detection return for front panel (Jack2) 

 

Fan Connections 

There are two types fan connections, the system fan and the CPU fan. The fan speed can be 
detected and viewed in the 

PC Health Status

 section of the CMOS Setup. Both fans are 

automatically turned off after the system enters S3, S4 and S5 mode.     
 

 

 

 
 
 
 
 
 
 
 

2 
4 
6 
8 
10 

1 
3 
5 
7 

9 

Note that the CPU fan cable can be 

either a 3-pin or a 4-pin connector. 
Connect a 3-pin connector to pins 1, 2, 

and 3 on the motherboard connector. 

CPU Fan Connector 

4     3     2    1 

GND    SENSE

PWR     CONTROL