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, Embedded PC Solutions
1.2 M4-ATX Connection diagram
Power Input Connectors (bottom, right)
Left
Battery negative (GND)
Center
Ignition (switched battery, positive. Can test by connecting to B)
Right
Battery positive (+)
(A) ATX Power Output Connector 20/24 pin connector
(B) 12V-ATX power output connector 4 pin
(C) Configuration dip switches
(J5) For internal use only (do not use)
(J6) Amplifier THUMP wire harness (connects to the M4-ATX pin header)
(J3) Fan Header
(J8) USB, Motherboard ON/OFF and THUMP (Thump also available on J6)
1)
GND
6) To Motherboard ON/OFF
2)
GND
7) To motherboard ON/OFF
3)
USB D+
8) Amplifier Thump
4)
USB D-
9) GND
5) Vcc
19
N/C
(key)
J8 shown with cable harness connected to the
motherboard ON-OFF header (pin 7 and 6)
M4-ATX User Guide Page 2
