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18 MAT-880 User’s Manual
J2: 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 12 Protect pin
CN3: Digital 4-in 4-out I/O Connector
Signal Name Pin
Pin Signal Name
Ground 1 2 Vcc
Out3 3 4 Out1
Out2 5 6 Out0
Int3 7 8 Int1
Int2 9 10 Int0
J3: Wake On LAN Connector
J3 is a 3-pin header for the Wake On LAN function on the board. The
following table shows the pin out assignments of this connector. Wake
On LAN will function properly only with an ATX power supply with
5VSB that has 200mA.
Pin # Signal Name
1 +5VSB
2 Ground
3 -PME
J4: Gigabit LAN Connector (used with ID240)
Signal Name Pin Pin Signal Name
MDI0+ 1 9 MDI0-
2.5V 2 10 GND
MDI1+ 3 11 MDI1-
MDI2+ 4 12 MDI2-
2.5V 5 13 2.5V
MDI3+ 6 14 MDI3-
ACT_LED 7 15 LINK_UP
Link1000_LED 8 16 Link100_LED