
8
The ENDAT-4946i/M System Board
J3: IR Pin Header (2.54mm)
Pin No.
Function
Pin No.
Function
1
VCC
4
GND
2
N.C
5
IRTX
3
IRRX
J5: AC’97 Speaker Output, MIC-In Pin Header (2.54mm)
Pin No.
Function
Pin No.
Function
1
Speaker Output–RIGHT
2
Alternative LFE–Output
3
GND
4
GND
5
GND
6
GND
7
Speaker Output–LEFT
8
First MIC Input/CEN–Output
J6: 5.1Ch Speaker output Pin Header (2.54mm)
Pin No.
Function
Pin No.
Function
1
Surround Output – LEFT
2
Center Output
3
GND
4
GND
5
GND
6
GND
7
Surround Output – RIGHT
8
Low Frequency Effect Output
J7: Line-In, CD-In Pin Header (2.54mm)
Pin No.
Function
Pin No.
Function
1
Line Input – RIGHT
2
CD Input – RIGHT
3
GND
4
GND
5
GND
6
GND
7
Line Input – LEFT
8
CD Input – LEFT
J8, J9: USB Port Pin Header (2.54mm)
Pin No.
Function
Pin No.
Function
1
USB_VCC
2
USB_VCC
3
USBD 2/4-
4
USBD 3/5-
5
USBD 2/4+
6
USBD 3/5+
7
USB_GND
8
USB_GND
9
USB_GND
10
USB_GND