User`s manual

INSTALLATIONS
 MB770 User’s Manual  19 
J13: External Audio Connector 
Signal Name Pin #  Pin #  Signal Name 
LINEOUT_R 1 2 LINEOUT_L 
Ground 3 4 Ground 
LINEIN_R 5  6  LINEIN L 
Ground 7 8 Ground 
Mic-In 9 10 VREFOUT 
Ground 11    
J15: CD-in Connector 
Pin # 
Signal Name
1 Left 
2 Ground 
3 Ground 
4 Right 
J16: System Function Connector 
J16 provides connectors for system indicators that provide light 
indication of the computer activities and switches to change the 
computer status. J16 is a 20-pin header that provides interfaces for the 
following functions. 
Hard Disk Drive LED
 Reset Switch 
Not Defined  
ATX Power On Switch 
Not Defined
Power LED 
Speaker  










